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editorial The beginning of a new year is always on opportunity to take a step back and not only assess the previous year, but also look forward at plans for the future.


t is a chance to look out into the market and gauge new potential customers, as well as focus on the benefits from in-house developments. In this issue we have numerous articles that highlight how integrating fastening technologies into design processes, and the adoption of new fastening technology, can lead to in-house developments, such as streamlining of production processes, product improvement, Will Lowry - Editor as well as safety and performance enhancement. Our key feature this issue focuses on the automotive sector and the significant role fasteners can play in applications. Our Cover Story includes an interview with Mr Fatih Uysal, deputy chairman of Norm Civata, a Turkish manufacturer that supplies a range of industries, including leading automotive OEMs. 2013 sees the company celebrate its 40 th anniversary and we ask Mr Uysal what makes Norm Civata a special supplier to the quality and service critical automotive sector. Also in the automotive feature is an insightful interview with Patrik Lewcun, project manager application engineering (fluid) at NORMA Group. Patrik talks about the benefits of the NORMAQUICK TWIST III - a new generation of quick connector - and the importance of innovation. Our special Corrosion feature showcases fastener related corrosion solutions, with articles including: the benefits of anti-corrosion coatings when used in the automotive industry; a corrosion protection system that offers high quality at lower coating thickness; as well as a newly developed cold-formed blind rivet nut that is available in high alloy austenitic stainless steel 904L (A5) – making the feature a vital reading for design and application engineers. EuroBLECH 2012, which I had the pleasure to visit, was a powerful showcase for the sheet metal fastening industry. We have the latest news and reports from fastener related exhibitors at the Hannover show, as well as previews for Fastener Fair India in Mumbai and SpringsTec Fair in Stuttgart. Add to all of that the latest in fastener news and products and this issue once again underlines why Fastener + Fixing Technology is a unique resource for finding out what is happening in the fastener world.

Contents Cover story 40 years of Norm performance............................ 10-11 Automotive New generation of quick connectors........................ 12 Easy Touch Control - Versatile controller................. 14 SPIROL offers automotive chassis solution............. 14


Exhibitions EuroBLECH 2012 report.............................................. 16 Fastener Fair India 2013 preview.......................... 24-26 SpringsTec Fair 2013 preview............................... 32-34 Group Publishing Director Jamie Mitchell Editor Will Lowry Executive Editor Phil Matten Assistant Editor Claire Edwards Senior Advertising Executive Harry Whyte Senior Advertising Executive Claire Lake Advertising Executive Emiliano Pagliaroli Production Manager Andy Clow The Publisher cannot be held responsible or, in any way, liable for errors or omissions, during input or printing of any material supplied or contained herein although the utmost care is taken to ensure that information contained is accurate and up to date. The Publisher also cannot be held liable for any claims made by advertisers or in contributions from individuals or companies submitted for inclusion within this publication. The opinions expressed are not necessarily those of the Editor or Fastener Fairs Limited.


Corrosion High performing coatings for fasteners.............. 18-20 Efficient coating system from Dörken ..................... 22 New cold-formed stainless steel A5 Tubtara........... 22

Entire contents copyright © Fastener Fairs Limited 2013. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the prior permission of the publisher.

Vibration + locking systems Nord-Lock introduces X-series.................................. 28 The universal locking system RIPP LOCK®............... 30

Advertisers index....................................................... 38

Tel: +44 (0) 1727 814 400 Fax: +44 (0) 1727 831 033


Industry news Latest fastener industry news..................................6-8

Product news Latest fastener product news...............................36-38

Part of the Mack Brooks Group Romeland House, Romeland Hill, St Albans, Hertfordshire, AL3 4ET, UK


4 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

Blind Fastening Solutions


European knowhow with Asian production: cost saving high tech offer

Breakstem Rivets Speed Rivets Blind Rivet Nuts

Fastener industry news

Bak-Fin™ direct to distributors Baker & Finnemore (Bak-Fin™), the UK based manufacturer of Starlock® push on fasteners, has announced a major change in its distribution in Europe.


he Starlock ® push on fastener is a precision pressing designed for applications where a quick, lightweight, permanent and efficient means of assembly is needed as a retainer on plain shafts of steel, plastic or non-ferrous material. The user simply pushes it on, with no grooving, threading or drilling. Supplied in spring and stainless steel in a variety of finishes Starlock ® can also be supplied with a pre-assembled cap. Baker & Finnemore had an exclusive distribution agreement for several European countries in place with BV Pressmetaal in the Netherlands, for many years, but it has now come to an end. Baker & Finnemore will now have direct contact with all its distributors. This important change will bring Starlock ® European distribution in line with the Baker & Finnemore distribution policy for the rest of the world. “Direct contact between manufacturer and distributor enables close liaison with the distributor and to the end user. This represents a huge improvement in customer service. All former distributors will continue to serve its customers.”

FinnvedenBulten and GAZ sign final agreement In December the automotive components division of GAZ Group, Russia’s largest manufacturer of commercial vehicles, and FinnvedenBulten announced final agreement to form a company for manufacturing fasteners at GAZ Group’s plant Gorky Automobile Plant.


hrough the agreement FinnvedenBulten establishes its first production facility in Russia. Through investments of approximately 7 million euros, Bulten will become the majority shareholder in the company. Operations to be included in the company currently turnover approximately 11 million euros annually and are expected to have significant growth potential both short-term and long-term. The company will be a consolidated subsidiary within the FinnvedenBulten Group. The company will develop and produce fasteners for the automotive industry in Russia and the CIS. The company will also supply fasteners to Bulten’s global customer base with existing production facilities in Russia. Production is planned to start by the end of 2013. Gorky Automobile Plant, which manufactures fasteners for Russian customers, will provide the infrastructure for production while Bulten, which supplies fasteners to the global automotive industry, will be responsible for developing new products, new technology and distribution. “The potential of the Russian market is expected to be significant. We have noticed a great interest from new and existing customers since the announcement of the ‘Letter of Intent’ in the spring of 2011. The trend among international OEMs is to establish production in Russia,” says Tommy Andersson, CEO of Bulten.

MIDEST encourages joint innovation Organisers of the 42nd MIDEST reported that 39,347 professionals from 78 countries, from all sectors of industry, attended the show from 6th – 9th November 2012 at the Paris Nord Villepinte Exhibition Centre.


he 42nd MIDEST exhibition comprised 1,721 exhibitors (64% French) from 46 countries, including specialists in the processing of metals, plastics, rubber, composite materials, wood and other materials, electronics and electricals, microtechniques, thermal and surface treatments, finishes, fastenings, industrial maintenance and services. Organisers reported that: “Many visitors came to discuss actual projects and there were plenty of interesting prospects for diversification into new markets requiring joint innovation and generating better margins.” Fastener related fexhibitors included Profil France, Simaf, Savigny, Torniplasa, Growermetal, AMF Andreas, Beck Crespel, Marer Srl, Gardette Industries and Titanox. At the show French company Titanox displayed the RIV-ELIT product range, for which it is an approved distributor. The range on display included blind fasteners, customised solutions such as break stem rivets, blind rivet nuts, the innovative range of semi-automatic speed rivets, as well as pneumatic and hydro-pneumatic setting tools. Titanox commented: “This event participation was a real opportunity for Titanox and the RIV-ELIT range to enhance brand visibility, to promote new products and to meet customers. For visitors this face-to-face interaction with our sales engineers was the opportunity to find the best solution to their assembly needs.” The 43rd edition of MIDEST will take place once again at the Paris-Nord Exhibitions Centre from 19 th – 22nd November 2013.

6 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

Fastener industry news

Bossard - Improving production processes Bossard, a supplier of intelligent solutions for industrial fastening technology, recently implemented a 3-level concept that enabled Epoke A/S to improve its production process.


poke A/S is a manufacturer of winter road maintenance equipment in Denmark; its machines keep airport runways, roads and sidewalks around the world snow and ice-free. Fasteners are essential in keeping Epoke’s machines running properly in harsh conditions. In the past, specialist workers at Epoke lubricated the fasteners manually before assembly to increase corrosion protection. Yet managing the inventory, locating the right fasteners and lubricating them by hand was not the fastest or the most cost-effective solution. With its 3-level concept, Bossard provided an integrated solution. The largest benefit resulted from the SmartBin logistic system; its automated ordering process ensures all C-parts remain stocked in the right amounts. As part of the SmartBin solution, Bossard introduced special kit sets with pre-selected fasteners commonly used together, thus reducing the time needed to collect parts from different bins. Bossard also suggested Epoke use Bossard’s stainless steel fasteners, which exhibit no thread galling and the ecosyn ® -lubric coating protects against corrosion even in extreme conditions. This eliminated the need for the extra lubrication step during assembly, thus also saving time and money.

Success for UK engineering shows A number of sectors within the UK’s advanced engineering and high value manufacturing community converged in November, as part of the Advanced Engineering UK 2012 group of events, at the NEC in Birmingham.


oasting a total attendance of more than 9,000, a solid 35% increase over 2011, 2012’s group of events encompassed four key interlinked advanced engineering and high value manufacturing shows – Aero Engineering, the Composites Engineering Show, the UK Plastic Electronics show and, new for 2012, the inaugural UK Automotive Engineering show. The aim of the Advanced Engineering UK group of events is to bring OEMs and top tier customer groups to meet and do business with their supply chains and partners across a variety of engineering sectors. Ian Stone, managing director of show organisers UK Tech Events, commented: “We were delighted to see such a comprehensive turnout, reflecting the relentless prioritisation from industry, from government and from academia in each of these pivotal high value, high skilled economic sectors.” Fastener related exhibitors at the show included TFC Ltd, Baker & Finnemore Ltd, EJOT UK Ltd, Anochrome Technologies Ltd, Hellermann Tyton Ltd, Tappex, Amber Composites, Huntsman Advanced Materials, Rivetnut Technology Systems Ltd and Ondrives Ltd. The Advanced Engineering UK group of events will once again be held this year from 12th – 13 th November, in Hall 5 at the NEC, Birmingham.

Added brake pad performance Lesjöfors says that thanks to its extensive knowledge of materials, high expertise and a proactive approach it has been able to develop a brake pad spring in a lighter, stainless material, which also extends the product’s lifespan.


aldex is a global producer of advanced braking and suspension systems for the commercial vehicle industry. Some years ago Lesjöfors in Värnamo, Sweden, offered a spring to Haldex used for the brake pads in heavy goods vehicles.

Opportunities for further development

Lesjöfors’ development engineers noted in the process that Haldex’s former spring system was fully functional but not optimal from a number of aspects. Thanks to the Lesjöfors team’s good record of high-strength stainless steel materials, opportunities to improve the performance of the spring were identified with an unchanged cost level. Haldex showed great interest in the further development of the brake pad spring.

Lighter component in cost-efficient production

With solid knowledge of various spring materials combined with resources for calculations, testing and prototype development, Lesjöfors’ design engineers were able to develop and refine the design and execution of the spring. The end result was a spring in stainless steel where no costly hardening or surface treatment was required. The product is also lighter as the material dimension has been reduced from 1.8mm to 1mm. “The end product was preceded by a development process of about 1.5 years, where we, in close cooperation with Haldex, continuously tested the spring and finally found our way. We have been able to deliver an ideal solution that exceeded the customer’s high demands without changing the cost structure,” said Marcus Hartvigsson, technical manager at Lesjöfors.

In addition, longer lifespan

Lesjöfors points out that not only did the brake pad spring become lighter, it has also been given a longer life. The spring now lives 50 percent longer than the previous component in carbon steel. The product is now in production and in use in the Haldex product.

8 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

Ambrovit is one of Europe’s largest wholesale distributors of chipboard, self-tapping, self-drilling screws and bolts.Thanks to its new automated warehouse, Ambrovit is now able to store around 20,000 ready-to-ship pallets as well as offer a Special Service to guarantee quick delivery.





Ambrovit S.r.l.

Via Giulio Natta, 29 - 27026 Garlasco (PV) Italy Tel. +39.0382.810280 Fax +39.0382.1760014 email

cover story

40 years of Norm performance Norm Civata Sanayl ve Ticaret A.S. is a Turkish manufacturer that supplies a range of industries, including leading automotive OEMs. This year the family run business celebrates its 40th anniversary. Here Mr Fatih Uysal, deputy chairman of Norm Civata, explains the key to Norm Civata’s success and its plans for the future. This year Norm Civata celebrates its 40th anniversary, how has the company developed? “My father (Chairman Nedim Uysal) has always been an open minded, innovative entrepreneur and started Norm Civata in 1973 with the main intention to serve the domestic market. The company started with just one double blow machine and produced solely bolts. In 1977 we started nut production and became the first bolt and nut producer in Turkey. We continued to develop and in 1994 we moved to our current location in Izmir Ataturk Industrial Zone where we had the opportunity to continue to grow. As the company developed we started to point our heads to international markets and exporting prospects. In 1996 we decided to separate our bolt and nut production and established a brand new Norm Nut factory. This enabled us to start specialising in different product groups like nuts and female parts; with male parts produced in our bolt factory. After specialising in different areas, we focused on quality excellence for in-house processes. This involved the introduction of a well established ERP system between sister companies, as well as EDI (Electronic Data Interchange), to enable us to save time, paper and improve the efficiency of exchanging important information. We also achieved quality approvals and documentation with ISO/TS and Q1 (ISO 9001:2000, ISO/TS 16949:2002 in 2003, ISO 14001 and FORD Q1 in 2004). Other developments include the introduction of an in-house laboratory and testing facilities and the adoption of a full traceability and quality system utilising advanced SPC techniques, which enables us to run to lean production principles. We have also implemented Kaizen and 5S principles – enabling us to reduce setup times, eliminate wastage, as well as establish a cleaner, tidier working environment. As Norm Civata has developed over the years we have constantly looked to improve ourselves by working and learning from our customers. As a result of our customers’ needs we

10 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

have continued to invest in our in-house operations. In 2006 we established our tooling company for just in time and flexible production - in order to improve our capabilities, know-how and to be self-dependant. In 2007 we received a Dörken licence for in-house zinc lamel coatings, which was followed by a MacDermid licence for our in-house zinc nickel line. Our philosophy is that the more in-house operations you have, the more quality is controlled under the same roof.”

Over the last 40 years what have been the main market sectors served by Norm Civata? “As Norm Civata has developed we have expanded into a variety of different industries including automotive, white household applications, construction, furniture, machinery, and electronics. We exported to 35 countries in 2012, with Germany accounting for a large portion of the exports. Since Norm Civata was founded the German market has been very important for us, but to ensure that we continue to grow we are constantly looking at new markets. In 2011 we produced 42,000 tonnes of cap screws, ring nuts, ball joints, spacer bolts and rivets. We increased this amount to 48,000 tonnes in 2012 through increased production capacity. For 2013 we are looking to increase this amount again by entering new markets such as Mexico, Brazil and China. We are also currently focused on the northeast European and Russian markets and the opportunities available.”

What makes Norm Civata a special supplier to the quality and service critical automotive sector? “As in many other sectors, fastening elements for the automotive sector require expertise and know how at every level - from design to assembly. Through a combination of our expertise, the relationships with our customers, and through our R&D centre we provide innovative and cost effective solutions to a variety of automotive OEMs including Volkswagen, Audi, Seat, Škoda, Lamborghini, Volkswagen Commercial Vehicles, Scania, as well as first tier suppliers such as Wabco, Bosch and Valeo. When we achieved QS 9000 in 2000 we met the high expectations of the automotive industry. Ever since then we have ensured we are at the heart of the industry - we established our Norm Bursa office and warehouse in 2001 and Istanbul Best-Kale Civata in 2002. Our aim is to become a solutions partner with our customers. Through our years of experience and R&D activities, as well as the knowledge of our qualified staff, we are able to work with customers to choose and design fastening elements for the automotive and supply industry. A recent example of us working with a customer to become a solutions partner is our relationship with JSC Minsk Automobile Plant/MAZ. In line with our export strategy and based on the findings of our OEM customer research, we contacted JSC Minsk Automobile Plant/MAZ and invited them to visit our facilities. Consequently we received their request for a proposal for the component package. We provided a competitive price to them and received the approvals for prototypes and pre-mass production. The approvals and positive feedback makes us believe that our relationship with MAZ will continue to grow in the future. As well as working with customers to design fastening solutions we also have an experienced research and development team that carry out their own projects to create innovative products. The latest innovation is the NORM-EST® a patented high performance easy self-tapping fastener. The NORM-EST® was developed to provide strong connections between mounting parts with high strip-to-drive ratio. It offers simultaneous thread forming, which results in tight engagement tolerances at sharp corner edges. The NORM-EST® ensures a perfect vibration resistant connection and its quadrilobular form also provides low thread forming torque.”


Over recent years Turkey has developed into a strong manufacturing hub, how has this benefited Norm Civata? “Turkey has always been an attractive country for foreign investors with an educated young population and big market in itself. Turkey is not only a low cost country - it also offers a well-educated, qualified generation, at economic costs. All the staff at Norm Civata receive training to ensure that we offer the best possible service. As a result of this training - as well as additional investments - Norm Civata is able to produce to the same capability as our prominent rivals in Italy or Taiwan. Our dedication to Turkey and our customers is underlined by the opening of a Technical School in our Industrial Zone three years ago. The school is supported and approved by the Turkish Ministry of Education and is an opportunity for brilliant young students, from disadvantaged families, to develop the knowledge and experience necessary to work for a production company. Since the school has opened 72 students have graduated and are already employed by us or the other companies in the Industrial Zone.”

“ Our philosophy is that the more in-house operations you have, the more quality is controlled under the same roof.” Finally, what plans do you have for 2013? “As well as celebrating our 40 th anniversary we will continue to invest. We plan to increase our existing capacity by a third and reach a capacity of 55,000 tonnes per year. We will also invest in machinery for small screws starting from 3.2mm diameter for the automotive and white goods industries. We are also in the process of establishing a brand new organisation, which will enable Norm to become a full service provider for OEMs. This means supplying not only products that we manufacture ourselves but also supplying many other product groups they require through trading in them. The most important thing for us is to continue creating partnerships with all our customers. At Norm the customer comes first and as a company we put business ethics before everything. We have found that the best policy to win a customer is to win their hearts first, which has led to us developing long term relationships with several key customers.”



New generation of quick connectors NORMA Group, a global solution provider of engineered joining technology, has introduced the NORMAQUICK TWIST III – a new generation quick connector. We spoke to Patrik Lewcun, project manager application engineering (fluid) at NORMA Group, about the latest development and the importance of innovation. NORMA Group’s strategy is ‘customer value through innovation’. Why does the group place innovation at the heart of its business?

“For us innovation is a measurement of success according to our strategy. We consider ourselves to be technology leaders for engineered joining technology and through the quality of our product groups, and the constant innovation of different solutions, we are able to keep our commitment to our customers’ of answering all their connecting needs for a variety of systems. NORMA Group’s commitment to innovative solutions is underlined by it currently having over 250 patents, with a further 100+ patents pending.”

What made you decide to create a new generation of quick connectors?

“The new generation of NORMAQUICK TWIST III came about due to industry need. It was the necessity to produce something innovative to solve issues concerning space requirements, as well as the increasing requirements for temperature resistance and mechanical properties. There are three versions of the TWIST III – standard applications, high temperature applications, and those for welding with flexible ducts. The NORMAQUICK TWIST III is a very innovative product that is unique in a lot of aspects. It took us 3 - 5 years to develop and achieve the specifications requirements that NORMA Group was aiming to achieve. The TWIST III is a ‘push and seal’ quick connector, meaning that no secondary locking is required. The TWIST III can be used on different materials and designs to accommodate the different needs of applications in a variety of industries. It has good mechanical performance such as absorbing mechanical loads and movements, and the materials used also have good temperature properties, as well as hydrolysis properties.”

What are the main features of the NORMAQUICK TWIST III?

“The principal of the NORMAQUICK TWIST III is that it can be used for any type of application where quick connectors are currently used or where there is a possibility of quick connectors being used in the future. Currently NORMA Group brand quick connectors are being used in water management systems, fuel management systems, cooling systems, as well as charged air systems. The charged air systems are mainly in automotive applications, with the NORMAQUICK TWIST III available in sizes from 45mm up to 80mm. It can be used with elastomer hoses, as well as other plastic ducts when working with welded configurations. It can also be welded onto different adapters and sensors. The main features of the TWIST III are that it is extremely short (only 21.5mm spigot length) for a quick connector and that it does not require any positioning on the spigot to function properly. The smaller that we can make products, without compromising the performance, the better suited it becomes for the application. To remove the TWIST III the user simply twists the

12 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

connector – its symmetrical design means that it can be opened from any direction, as well as being re-tightened in any position. This makes it ideal for applications where space is at a premium, such as in the automotive industry where the available space in the engine compartment is becoming less and less each year. The TWIST III can be easily assembled, safely and securely disassembled, and quickly re-assembled without any loss of performance in the components.”

How has the NORMAQUICK TWIST III been accepted into the market?

“The TWIST III has been accepted well into the market. It is already being used in some commercial applications where it is supplied in nylon material or PBT. So far charged air applications are the main area where it has been used. It has been well received due to its low ergonomic requirements such as low assemble effort. Our customers also like that fact it´s so small, but keeps the necessary mechanical strength.”

What future plans do you have for the NORMAQUICK TWIST III and quick connectors in general?

“The main activity for the TWIST III is that we are planning to finalise our designs and to focus on offering smaller sizes. We currently offer sizes from 45mm – 80mm. However, we are looking at using this quick connector for other applications, where smaller sizes down to 10mm are necessary. We are also looking at going up in size as well, past 80mm and up to 100mm. As for quick connectors in general, we are constantly in the process of developing, together with our customers, new solutions that will fulfil our customers future requirements.”

What is currently driving the light-weighting trend in vehicles?

“I believe that the main driving force is environmental awareness and the constantly increasing requirements for less carbon emissions. Lighter vehicles mean less fuel consumption, which in turn means lower carbon emissions. Light-weighting is something that we at NORMA Group take into consideration when designing solutions. Our research and development teams work together, from all over the world, to consistently optimise our products as much as possible to save as much weight as we can. The important thing when designing a new solution is that you always have future requirements and potential standards in mind, to make sure that when they are implemented the products are already suitable.”

Customer Value through Innovation.

NORMA Group’s Engineered Joining Technologies and applications know-how provide cleaner, more efficient use of precious energy sources in areas such as Cooling System, Air Intake & Induction, Emission Control and Ancillary System.


Visit us at for more information about our solutions.


SPIROL offers automotive chassis solution SPIROL Industries says that the use of its butted-seam spacers to replace more expensive cut tubing in an automotive chassis frame bracket design has resulted in significant financial savings.


he manufacturer was originally using a piece of cut tubing as a spacer used to support two plates in an automotive front-end assembly. The tubing was cut to the proper length, placed between the two plates and then welded in place. Due to the fact that a 16mm bolt was passed through the inside diameter of the tubing, the inside diameter needed to be burr free. In the process of cutting the tubing to length, a burr was left on the inside diameter and therefore, in order to meet the quality requirements, a secondary operation of deburring was needed, adding a great deal of cost to the cut tubing. SPIROL recommended a standard, butted-seam spacer to replace the cut tubing in this application. These roll-formed spacers have clean cut, square ends and therefore no secondary operations are required to ensure a burr free part. As this was an automotive application, the Spirol spacer had to undergo numerous tests to ensure the strength would meet the requirements previously set. “By recommending a butted seam, roll-formed spacer for

this application, the customer was able to save a significant amount of money. The cost of the cut tubing (with the secondary deburring operation) was 0.37 euros per piece. The price for the butted-seam Spirol spacer was 0.13 euros per piece, resulting in overall savings of 160,000 euros per year.” More details are available in the spacing applications section of SPIROL’s Optimal Application Engineering portal.

SPIROL spacers solve automotive chassis frame bracket design requirement

Easy Touch Control Versatile controller HS-Technik says that its all-new Easy Touch Control System combines the sequence control of wireless run power tools with the visualisation of all relevant process data and even guidance for employees if needed.


he new ETC (Easy Touch Control) system monitors all steps of the production cycle and enables BNG-2010 or PowerRiv ® battery riveters, as well as PROG-2 or PROG-3 programmable power tools, to be wireless at the time they are needed in the production cycle. At all other times the tools are disabled and associates cannot work with them. The work results from all tools will be transmitted wirelessly to the controller where all the production data will be collected and documented. If every job was done ‘OK’, the ETC will release the product from the station and document the work results. If any job was not completed ‘OK’, the ETC can block the station or line until a responsible supervisor releases it. Alternatively the ETC automatically informs the responsible rework station which part needs to be reworked. The wireless communication with HS-Technik power tools includes the number of rivets or screws and assures that none of this can be missing. If the associate has to replace the battery during a sequence the ETC system will recall the number of missing connectors. Even if a tool breaks and is replaced by a new one the ETC system will remind the new tool with the number of missing screws or rivets. The tool exchange procedure takes less than one minute if a backup tool is available right away. HS-Technik power tools also collect process relevant data like torque, angle, stroke or force. All the collected data will be compared with set limits and evaluated if ‘OK’ or not. Some of the HS-T tools can even be programmed with different programs, which enable one tool to be used for several applications e.g. one tightening with 2Nm and one with 5Nm. This makes the system very cost efficient and versatile. In addition, all work results can be transferred into the company’s own quality management system, which assures that all parts are documented for customer satisfaction. The ETC system was also designed to communicate with other infrastructure like cameras, pick to light systems or even SAP. Customers of the ETC system are automotive companies such as Audi, FIAT and Tenneco.

14 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

Global Inch Fastener Solutions

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EuroBLECH 2012 - Highly successful EuroBLECH 2012, the international sheet metal working technology exhibition based in Hannover, Germany, concluded with exhibitors reporting a highly successful show.


total of 1,520 exhibitors from 39 countries, on a net exhibition space of 84,000 square metres across six halls, presented a range of innovative products for the complete sheet metal working chain. Over 60,500 trade visitors attended the five-day exhibition, equaling the visitor numbers of the previous show. Organisers reported that the first analysis of the visitor survey showed a significant shift towards highly qualified trade visitors. Some 75% of the visitors came from the industry, and the percentage of visitors from companies with more than 500 employees increased by 20%. There were also more visitors from top management, with 40% of all visitors stating they attended EuroBLECH 2012 with the definite intention of buying. “A first analysis of the exhibitor survey shows that exhibiting companies were highly satisfied with the outcome of the exhibition, even though the current economic situation remains uncertain. However, German exhibitors assessed the business climate as much more favourable than companies from outside Germany,” says Nicola Hamann, exhibition director EuroBLECH, on behalf of the organisers, Mack Brooks Exhibitions. The exhibitor survey shows that the main reason for exhibiting at EuroBLECH 2012 was to approach new markets, attracting new customers and product presentation; with exhibiting companies achieving these objectives. Against the background of the prevailing business climate, they were extremely positive about their participation at the show. EuroBLECH 2012 received excellent values from exhibitors and visitors alike, in particular for the large number of innovations presented at the show and for its high internationality. This was supported by several companies who confirmed that it had been a good show, with a few stating that they had agreed orders with visitors for machines at the show. One such company was Haeger Europe BV, a manufacturer of fastener installation systems who has exhibited at EuroBLECH for the last 10 years. Jasper Hoogstad, inside sales at Haeger, commented: “We are very happy with the show. Our stand was constantly busy and we signed orders for seven machines during the five-days.” Heinz Soyer also confirmed that it had sold two machines at the show, with lots of other interesting visitors to its stand throughout each day. Sven-Thorsten Buchweitz, head of sales at Gebr TITGEMEYER GmbH & Co KG, said that the company had received over 100 visitors on each day of the show, with a lot of those visitors being good quality leads. Fixi Srl, the Italian producer of blind rivets, threaded inserts, self-clinching fasteners and welding screws went as far as to say that it was THE show to exhibit at. With the current economic situation remaining uncertain a lot of exhibitors admitted to being concerned pre-show about exhibiting. However, they all reported being highly satisfied with the quantity and quality of visitors. Exhibitors confirmed that the opportunity to meet with new and existing customers, as well as the opportunity to explore new markets made EuroBLECH a must attend event for any company interested in the sheet metal industry. EuroBLECH 2014 will take place from 21st – 25th October 2014 at the Hannover exhibition grounds. This year Mack Brooks Exhibitions will organise, once again, dedicated sheet metal working exhibitions in selected growth markets. BLECH Russia will be held from 12th – 14th March 2013 in St. Petersburg; BLECH India, from 17th – 20 th April 2013 in Mumbai and BLECH China, from 14th – 16 th May 2013 in Suzhou.

16 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013


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High performing coatings for fasteners Here NOF METAL COATINGS GROUP looks at the development and benefits of anti-corrosion coatings when used in the automotive industry. Introduction

Protection principles

In the 1970s zinc-flake anti-corrosion technology was introduced with the first applications on fasteners being carried out by American and European automotive manufacturers. Originally coatings were passivated throughout by chromium oxides. Thanks to its anti-corrosion performance with thin coatings and giving no hydrogen embrittlement, this technology grew very fast. In the early 2000s, the European directive regarding recycling of End of Life Vehicles led to zinc-flake technology being produced without hexavalent chromium. NOF METAL COATINGS GROUP used this opportunity to press ahead with its strategy of developing a fully water-based range. Today, automotive manufacturers have three overriding criteria for anti-corrosion coatings on fasteners, namely anti-corrosion performance, tightening control and environmental concern.

The anti-corrosion products developed by NOF METAL COATINGS GROUP are coatings that’s technology is based on a water-borne chemical composition. They are made of zinc and aluminium flakes in an inorganic matrix. This flake structure, where zinc and aluminium layers overlap, enables the protection of the substrate in three ways:

Anti-corrosion protection at low thickness Anti-corrosion performance associated with low thicknesses has always been a determining choice for the automotive industry. Its requirements regarding anti-corrosion are met with coating weights ranging from 24g/m2 to 36g/m2. This low thickness enables most threaded fasteners to be coated easily. Automotive manufacturers have very specific test methods, particularly cyclic corrosion tests (ACT, SAE/USCAR) and salt spray tests (IS0 9227/ASTM B117). A GEOMET® 321 without topcoat and with an average thickness ranging from 6µm to 7µm is able to reach 720 hours without red rust. A GEOMET® 321 without topcoat, this time with an average thickness ranging from 8µm to 10µm, is able to reach 1,000 hours without red rust. Results can vary according to substrate, geometry of parts and type of application process.

• Barrier protection – Overlapping zinc and aluminium flakes provide an excellent barrier between the steel substrate and the corrosive atmosphere.

• Sacrificial protection – The general principle of sacrificial protection is based on the fact that for metals in contact, one metal will corrode preferentially. Zinc contained in coatings oxidises before steel, which is therefore protected and does not corrode. The second mechanism is self-repair. If the coating is damaged, a small area of steel can be exposed. In this case, the products resulting from zinc corrosion will fill in damage and thus increase life span of parts before appearance of red rust.

• Passivation – Metal oxides throughout the coating slow down the corrosion reaction of zinc and aluminium to provide a greater corrosion protection than with pure zinc.

Other properties of zinc-flake technology Application processes based on zinc-flake technology do not incur any risk of hydrogen embrittlement once parts are coated, which is a key factor for security parts, for instance wheel bolts and chassis screws. Another key point is that there is no need for any external passivation process, as zinc-flake technology is an integral passivation. The silver/grey appearance is the most used colour in the automotive industry. The black appearance is also very widespread, particularly for fasteners like door hinges or visible parts like bumper screws.

Tightening control The coefficient of friction of threaded fasteners is a core parameter for tightening control. Automotive manufacturers have specific requirements regarding coefficient of friction. In order to get the required values, NOF METAL COATINGS GROUP develops and markets several water-based topcoats to apply onto the GEOMET® range, thus enabling compliance to the required tightening performance:

Fasteners protected with GEOMET® anti-corrosion coatings

18 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

PLUS ® XL: 0.06 – 0.09 PLUS ® L: 0.08 – 0.14 PLUS ® VL: 0.09 – 0.14 PLUS ® ML: 0.10 – 0.16 PLUS ® M: 0.12 – 0.18


You specify the corrosion protective coating GEOMETÂŽ on your components, do you realise you are contributing to environmental benefits? We produce and deliver only water-dispersible products. Users adjust their chemical with water only. Organic compounds usage and VOC emissions are kept at the minimum possible level. NOF METAL COATINGS EUROPE S.A. 120, rue GalilĂŠe 60315 CREIL Cedex / France Tel.: + 33 ( 0 ) 3 44 64 63 62 Fax: + 33 ( 0 ) 3 44 64 63 40 E-mail:

is a registered trademark of NOF CORPORATION

Reduce VOC emissions

corrosion Coefficient of frictions are validated on a reference screw with hexagonal head, M10 x 55 according to ISO 16047. NOF METAL COATINGS GROUP also produces GEOMET® 500 with integrated lubricant. GEOMET® 500 allows values between 0.12 and 0.18 according to ISO 16047 to be obtained. Today, some automotive metallic parts are made of light alloys like aluminium. The PLUS ® topcoats allow under certain conditions, improvements performance regarding friction for specific difficult tightening cases, particularly for multitightening in aluminium and onto catophoretic paint. They are also effective in cases of loosening at high temperatures, while avoiding stick-slip problems when tightening.

‘Green’ coatings The GEOMET® technology has been developed to comply with the 2000/53/CE directive regarding recycling of End of Life Vehicles. This directive bans the use of four heavy metals (lead, mercury, cadmium and hexavalent chromium) in vehicle components and materials. NOF METAL COATINGS GROUP has opted for an entirely chromium free anti-corrosion solution (neither trivalent chromium, nor hexavalent chromium). Today, some other environmental issues have to be taken into account, for instance the reduction of carbon gas emissions. NOF METAL COATINGS GROUP’s strategy has always been based on developing waterborne technologies, unlike the other zinc-flake solutions that are solvent based. Another key point is that NOF METAL COATINGS GROUP’s chemical compounds have a very low Volatile Organic Compounds (VOC) content. Practically odourless, they allow line operators to work in a healthier environment. The low thickness compared to other processes allows the use of less material (zinc particles, aluminium particles), thus preserving resources. Global availability and production as close as possible to final customers allows the reduction of CO 2 emissions during transport. NOF METAL COATINGS GROUP’s products anticipate the substitution of substances subjected to regulations like ELV and VOC directives, as well as REACH regulation. NOF METAL COATINGS EUROPE has been found to be compliant to REACH by the German TÜV Rheinland Group organisation by having acquired an in-house know-how. The technologies provided by NOF METAL COATINGS GROUP have received two awards by well-known organisations from the chemical sector. The Chemical Industries Union awarded the Pierre Potier prize in 2009 and the European Chemical Industry Council, the Responsible Care ® Europe prize in 2010. These two major awards in the chemistry sector underline NOF METAL COATINGS GROUP’s contribution in providing industries with environmentally friendly technology.

The different application processes NOF METAL COATINGS GROUP focuses its research efforts on two closely interlinked targets - chemistry of products and application processes. A well performing chemical and a specifically adapted application process are essential to achieve performing anti-corrosion coatings with thin layers. Thanks to this close combination efficient anti-corrosion solutions can be provided that take into account both size and more or less complex geometry of fasteners. The most used application processes are:

• Dip-spin in bulk application - This process is used worldwide for the protection of small metallic parts as screws, bolts, springs, etc. Parts placed into a basket are dipped into a GEOMET® bath then centrifuged to remove excess product. The wet film is then dried and cured.

20 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

• Drum rotating spray application - Metallic parts are placed into a horizontal drum. Upon drum rotation, several spray guns mounted within the drum spray the chemical. This process is used very often for small screws with socket heads to prevent product filling the recesses.

• Dip-spin application on racks - Metallic parts are attached to racks so that they can be centrifuged to remove excess product. This process is well adapted to large size parts such as wind turbine bolts or fuel filling tubes.

• Spray application - Metallic parts are attached to racks or frames in order to be able to spray the chemical. The product chemical properties provide a very good distribution of layers. This process is very adapted to the coating of heavy parts.

A Worldwide Training Centre

NOF METAL COATINGS EUROPE opened in 2012 a Worldwide Training Centre with experienced people and cuttingedge technical equipment. It allows participants to specialise in zinc-flake anti-corrosion technology by encompassing many themes including corrosion mechanisms, zinc-flake protection, quality control or tribology. Customers can take part in tailormade training modules with theoretical and practical parts. They are enabled to get an overview of the different knowledge linked to chemicals, application processes and coatings performance.

Conclusion For over 30 years, water based zinc-flake anti-corrosion technology has evolved and developed further in order to meet the needs of the global automotive industry. It meets specifications of most automotive manufacturers. Choosing this technology is driven by its anti-corrosion performance with thin layers, its ease of use and application, and its global availability, thanks to a network of more than 500 application lines. The automotive industry takes increasingly into account environmental concern in their developments and automotive components as evidenced by the development of hybrid and electric vehicles. Water based zinc-flake technology provides very low VOC values, a product entirely without chromium and allows lower energy costs compared with other anti-corrosion technologies.


New at PSA: efficient coating system from Dörken MKS Dörken MKS-Systeme GmbH & Co KG, based in Herdecke, Germany, says that its Delta-Protekt® KL 105 offers savings potential with regard to material use, time requirement, and energy, and will be included in PSA’s specification.


orrosion protection systems are required to provide higher and higher quality at lower coating thicknesses or with a reduction in the number of layers required. General cost pressures and subsequently falling margins amongst market participants call for joint efforts in the development of ever more efficient systems. Process costs in particular are becoming a focus of attention, as these make up by far the largest cost factor in the coating process as a whole, at around 75 percent. With its Delta-Protekt ® KL 105 micro-layer corrosion protection system Dörken MKS-Systeme is presenting a solution that has been developed under precisely these requirements. The material is intended for the coating of screws and other fastening elements, offering secure protection against corrosion and low spread of coefficients of friction with just one product in two layers. For example, the coating of high-quality screws for use in the automotive industry can result in the realisation of considerable savings in material and time. Due to its efficiency and economy the material was awarded the German Material Efficiency Prize of the Federal Ministry of Economics and Technology in 2006 and has now also succeeded in winning over many OEMs. For example, it has been approved by French car manufacturers PSA and Renault-Nissan, as well as Hyundai-Kia and Fiat for the coating of several fastening elements.

Managing Director Dr Martin Welp began the meeting by introducing Dörken MKS-Systeme as a new partner in the ACS - Automotive Center Südwestfalen. The ACS is a co-operative venture of the automotive industry, the universities and municipalities of the region. It sees itself as a platform for development work and knowledge transfer between automotive manufacturers, subcontractors and university institutes with the goal of promoting the reduction of weight in car manufacturing. In addition, the agenda of the coaters’ meeting also included the subject of ‘black surfaces’ and the new top coat Delta-Protekt ® VH 301.1 GZ, a further development of the silicate sealing with integrated lubricant. An animated discussion subsequently developed amongst licensees, Dörken MKS, and a well-known representative of VW regarding the difficulties of achieving transition. VW is closely involved in the process as co-initiator of the further development of the original top coat Delta-Protekt ® VH 301 GZ. Further subjects included optimised pre-treatment methods for zinc flake systems and new growth markets and tiers, presented by Jörn Selent in his new function as global sales tiers.

Dörken new member of ACS

At the end of 2012 Dörken MKS-Systeme GmbH & Co KG hosted its annual meeting for licensees. This year saw participants from Germany, England, Spain, France, Italy, Turkey and Eastern Europe accept the invitation to Dresden to learn news about the company and current projects in the fields of research and development.

New cold formed stainless steel A5 Tubtara Sometimes even A4 fasteners in stainless 316 offer insufficient corrosion protection, such as in civil engineering and tunnel infrastructures. For these extremely demanding applications, Dejond has developed a cold-formed blind rivet nut in high alloy austenitic stainless steel 904L (A5).


ejond explains that high alloy austenitic stainless steel 904L offers an improved corrosion protection for critical applications, mainly thanks to considerable nickel and molybdenum content and the addition of copper. The standard stainless (304) Tubtara resists corrosion in atmospheric exposure and has proven its effectiveness when corrosion is critical and a long-term solution is required. The stainless 316 Tubtara targets applications exposed to chlorides, salt water and extreme temperatures, and is often used in marine, chemicals and food industries. The 904L grade is armoured against high chloride or strong acid bearing environments and guarantees increased protection against pitting and crevice corrosion, reaching a PRE value (pitting resistance equivalent) of 35 (compared to PRE 25 for 316). The stainless A5 Tubtara is not the only corrosion related customised solution Dejond has been diligently working on. On popular demand, it recently introduced stainless steel (A2 and A4) versions of the watertight HX. This closed end hexagonal Tubtara features a large flat head seating an o-ring seal, providing excellent protection against ingress of fluids, oil or dirt. The concept has proven very effective up to pressures of 10 bar. Dejond also recently produced a series of customised stainless Tubtara’s for the latest aerospace programmes. Most types have an integrated mechanical brake and specific Cadmium, ZnNi or passivation coating. They are used in composite material and aluminium structures on wing parts and seats.

22 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

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Fastener Fair India set to be a growing success After its initial great success in April 2011, Fastener Fair India 2013 will open its doors again at the Bombay Exhibition Centre in Mumbai, India, from 17th – 18th April 2013.


he exhibition covers a wide product range of industrial fasteners and fixings, assembly and installation systems, storage and logistics services, fastener manufacturing technology and construction fixings. Building on a successful first edition and benefiting from the strong market growth in key sectors such as automotive and construction, Fastener Fair India 2013 provides excellent business and networking opportunities to all industry professionals, including distributors, suppliers and engineers. Four months ahead of the exhibition, more than 80 companies have already booked as much as 1,200m² of net exhibition space; this is more than the total exhibition space of the previous show. Alongside India and other Asian exhibitor countries, such as Taiwan and China, a large number of German and Italian companies will, once again, exhibit at India’s dedicated exhibition for the fastener and fixing industry. Not only is Fastener Fair India rapidly growing in size, it has also proven to be a high quality event which was confirmed by the exhibition survey carried out after the previous event. The survey revealed that 95% of exhibitors reported positive

business enquiries at their stands and also achieved their overall aims. Furthermore, the show was given excellent marks for the quality of trade visitors. Both visitors and exhibitors praised the show as a highly professional and worthwhile industry event, ensuring positive prospects for the future. Fastener Fair India 2013 will again be co-located with BLECH India, an exhibition for sheet metal working. The third edition of this highly successful trade fair will, once again, present machines, tools and systems for the entire sheet metal manufacturing process, including metal forming and bending solutions, stamping, pressing, automation, flexible manufacturing systems, metal supply, cutting, punching, joining/welding, tooling, laser technology, as well as finishing and coating. For companies interested in exhibiting at Fastener Fair India 2013, an exhibitor brochure is available from the organisers, Mack Brooks Exhibitions. The brochure includes important information on stand reservation and stand packages, the venue and the Indian fastener and fixings market. Extensive information about the show is also available on the exhibition website.

New Deepak factory announced C40

Eddy current testing in India

Deepak Fasteners has announced a new state-of-the-art manufacturing facility with the production capacity of 600 tonnes a day in Bhopal, India.

Technofour will present its wide range of Eddy current test instruments and systems at Fastener Fair India.


eepak says that its new facility will be based on 300 acres of land and will allow the company to provide its customers with the best of products, support, availability, packaging, reliability and technical excellence. Deepak is already the largest industrial fastener manufacturer in India and also the proud owner of the Unbrako premium high-tensile fastener brand, which it will be exhibiting at Fastener Fair India. With more than 100 years of experience and leadership, Unbrako and Deepak Fasteners continue to provide innovative fastening solutions to critical applications in the engineering, automotive, petrochemical, power generation (solar, hydro, windmill or nuclear), and construction sectors, along with special purpose fasteners. Deepak’s fasteners serve major market segments such as railways, airports, bridges, transmission towers, overhead lines and heavy earthmovers and have also been used in the Melbourne Rectangular Stadium, Heathrow Terminal 5 and Delhi Metro. Deepak Fasteners states that it offers competitive precision engineered fasteners to meet recognised international standards, resulting in higher tensile strength, improved fatigue resistance, improved ease of installation, reduced total cost of maintenance and an extended life cycle.

24 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013


ased on Eddy current techniques since 1972, Technofour’s range of products include portable instruments such as conductivity meters, equipment for metal sorting and flaw detection systems for tubes, bars and wires. Multifect-EX is an Eddy current test system capable of multi-frequency operation, which is powered by an embedded Pentium processor with a Windows XP operating system and built-in features including extensive data logging and report generation. Technofour describes MTS-EX as a reliable system with an established performance for evaluation of alloy type, grain structure, case depth and heat treatment condition, on raw stock, as well as semi-finished components, at one or more frequencies and also for material segregation or grade sorter in fastener, automobile and pipe industries.


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Heads establishes Indian subsidiary Heads & All Threads Pvt Ltd has recently been established in Pune, India, as part of the Heads & All Threads Group creating an Asia-Pacific hub.


eads & All Threads Pvt Ltd will source C-class components globally, to stringent quality requirements and supplying into many markets including automobile, electronics (EMS) and industrial sectors. Heads & All Threads Group is a global supply chain management company supplying fasteners, fixings and C-class components throughout the world. The group has its headquarters in the UK, and has additional locations in the Czech Republic, Poland, India and Asia. Supporting major OEMs and their tiers, Heads & All Threads Group specialises in the design and operation of complex worldwide supply networks. The group also specialises in

New annealing furnace expands A126 wire capacity Samrat Wires Pvt Ltd has announced that a hydrogen wire annealing furnace from Ebner, based in Austria, has been commissioned at its Khopoli factory.


amrat Wires currently processes about 8,000 metric tonnes per annum of wires of different sizes and grades. With the installation of the new furnace Samrat is hoping to expand capabilities to 15,000 metric tonnes per annum. The features of the hydrogen wire annealing furnace are zero addition to the level of decarburisation in the input wire rod, minimum spherodisation of 95%, uniform grain size, bright surface for the wires and shorter cycle times facilitating shorter lead times for delivery to customers. Samrat says it has also updated its wire drawing facilities in order to supply wires from 2mm to 30mm. Samrat Wires Pvt Ltd is an associate unit of GITA Group. The company is ISO 9001-2008 certified.

vendor managed inventory (VMI) systems, global procurement and supply chain and logistics, which offers its customers a bespoke component supply solution. Utilising its extensive supply market knowledge, the group undertake outsourced purchasing and supply agreements on fasteners and related manufactured components to eliminate its customers’ non-value adding costs. Construction Fixings Ltd is also part of the group, with its website offering a variety of different construction fixings, as well as Resicon - its own branded resin anchor. Japanese Screws is another significant business unit within the group, supplying microscrews for camera, mobile-phone, watches, electronic and other micro applications.

40 years of experience GDPA Fasteners India, part of the GDPA Group, is an export oriented fastener manufacturing unit with two plants employing a work force of 500.


he two plants are fully equipped to manufacture fasteners from 8mm to 100mm diameters and up to 2,000mm in length. GDPA has in-house hot forging, cold forming, CNC machining, sheet metal shop, specials division, heat treatment, surface treatment, and a certified laboratory. GDPA supplies fasteners globally into Europe, UK, Russia, USA, Australia and India, meeting the requirements of leading fastener distributors and critical OE sectors such as construction, mining and tunnelling, wind energy, oil and gas, and automotive. GDPA’s core strength lies in large diameter long length parts, hot forging, CNC machining and sheet metal parts. The company has an in-house R&D and design centre, tool-room, die making facility and can manufacture specials to customers specifications/drawings. GDPA Fasteners is certified to ISO 9001:2008 and EN 15048 (CE) by TÜV.


Microlayer corrosion protection systems Dörken MKS-Systeme GmbH & Co KG from Herdecke, Germany, will present its microlayer corrosion protection systems during the Fastener Fair in Mumbai.




inc flake technology offers very high corrosion resistance in salt spray tests conducted according to DIN EN ISO 9227, despite the slight layer thickness of between 6µm and 25µm. The product portfolio consequently offers the highest degree of protection and is also free of heavy metals such as chromium (VI). Present at the stand will be basecoat DELTA® -TONE 9000 and topcoat DELTA® -SEAL, for any kind of fastening elements. The system of DELTA-PROTEKT® KL 100 and DELTA-PROTEKT® KL 101 will also be presented. Dörken’s water based topcoat, DELTA-PROTEKT® VH 301.1 GZ has been developed especially for the needs of the automotive industry to prevent stick-slip effects during assembly. Dörken’s products are employed in a wide range of different sectors worldwide, from the automotive to the wind energy industry. Components such as fastening elements or stamped and bent components that are subjected to environmental influences are rendered resistant with the zinc flake technology.

26 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

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vibration + locking systems

Nord-Lock introduces X-series - a new evolution in bolt security Nord-Lock says that it has added a new dimension of safety to bolt security with the launch of the Nord-Lock X-series washer.


-series combines Nord-Lock’s unmatched wedge-locking protection against spontaneous bolt loosening due to vibration and dynamic loads with an exclusive spring effect to protect against slackening due to settlement and relaxation. This unique combination makes X-series the first, true multifunctional solution - offering the highest security for critical joints, The new multifunctional wedge-locking without compromise. With new technologies and demands, joints product from Nord-Lock offers bolt increasingly have to withstand stresses from multiple fronts, security without compromise including vibration, dynamic loads, settlement and relaxation. Yet, no solution on the market has previously been designed to secure bolts from all of these challenges at once. That has left designers with the difficulty of figuring out which issue - spontaneous bolt loosening or slackening - will have the biggest effect on the joint, and choosing a solution to handle that single problem. Now, there is no longer need to compromise. Nord-Lock X-series ensures total bolt security while simplifying design and maintenance since there is no need to use and stock multiple solutions. As with Nord-Lock’s original washers, each washer pair has cams on one side and radial teeth on the opposite side to secure the bolted joint with tension instead of friction. The Nord-Lock X-series washers’ conical shape additionally creates an elastic reserve in the bolted joint to compensate for the loss of preload and prevent slackening. For a full video report on how X-series washers add a new dimension of safety to bolt security visit Nord-Lock’s website. “Since we work closely with our customers we can react to the trends in application design, and this product is the result of our goal to design a system that would eliminate insecurity. When you cannot say with certainty whether spontaneous bolt loosening or slackening would be the bigger issue or when both could be equal risks, there is now a solution on the market,” explains Maxime Thonnerieux, development director of the new product. “Beyond vibration and dynamic loads, Nord-Lock X-series allows us to serve customers with a multitude of other challenging application areas, such as painted or powder-coated surfaces, soft metals, composites and polymers. The Nord-Lock X-series offers exciting new possibilities for application design.” Officially released at the end of last year, Nord-Lock’s X-series has already received praise from participants of a select early adopter group, as well as from clients who immediately ordered the new product after its global release.

The principle of Nord-Lock X-series washers includes multiple functions that act on the bolted joint to maintain preload and prevent spontaneous bolt loosening 28 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

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A new evolution in bolt security Now, Nord-Lock adds a new dimension of safety to bolt security with a unique multifunctional wedge-locking solution, ensuring you can find exactly what you need to handle multiple challenges — vibration, dynamic loads, settlement and relaxation — in a single solution. Find out how Nord-Lock X-series washers can help you solve different bolt securing challenges at once.

Nord-Lock • •

vibration + locking systems

The universal screw locking system RIPP LOCK® Böllhoff, a supplier of fastening, assembly, and systems technology based in Bielefeld, Germany, has extended its RIPP LOCK® product family.


he RIPP LOCK® product family has been produced to protect bolted connections from self-unscrewing. The name RIPP LOCK® is put together through the word RIPP- which describes the geometric form of the mechanical screw locking system. The rear side of the screws and nuts are provided with radial rips, the washer is symmetric and has ribs on both sides; and LOCK – which describes the function of these elements.

The RIPP LOCK® washer Böllhoff highlights that its RIPP LOCK® washer is a relatively new product in the field of mechanical screw locks, and combines many individual benefits of existing locking screws and washers. As a universal product, it can be used in almost every application, especially where high demands are made on the safety and/or the reduction of parts.

Characteristics RIPP LOCK® washers have radial ribs on both sides. The pitch angle of the ribs is larger than the thread pitch, which Böllhoff says provides an excellent locking effect. The washers are made of steel with a hardness of 350HV - 500HV and for the surface treatment a zinc flake coating is used. The corrosion resistance is 480 hours against white rust.

Benefits • Excellent locking against self-unscrewing. • Gentle to contact surface. • Perfectly suitable for slotted-hole applications. • Particularly suitable for sensitive surfaces such as zinc coated, chromium plated, coated or powder coated surfaces. • Universal use - outside diameter same as DIN 125 / ISO 7089. • Easy assembly and removal - multiple reuse. • Immediate effect – no curing. • Longevity – no ageing, no embrittling or weathering. • Almost no mechanical abrasion – no chip formation. • Retrofitting into almost every construction. • Not affected by contact with lubricants or greases. • Effective in adjustable fastenings of components (e. g. prestressing of belt drive). • Very small relaxation. • The RIPP LOCK® defines friction values of most diverse materials and surfaces. • Very low fluctuation in preload-force at defined tightening torque. “The RIPP LOCK® washers offer not only technical advantages in comparison to other locking solution but also help to reduce costs in purchasing, logistics, assembly and quality control.”

Principle When the screw or nut is assembled, the radial ribs of RIPP LOCK® lock washers closely emboss in the counter-surface and in the underside of the screw head. Therefore, there can only be relative movement in the separation gap between screw head and washer. RIPP LOCK® is a reliable screw lock – even under extreme vibration or dynamic stress. Due to their high hardness, the washers can be used with screws of all property classes up to 12.9.

30 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

New in the RIPP LOCK® family – screws and nuts There are applications where the usage of RIPP LOCK® screws and nuts can be an alternative to the RIPP LOCK® washers, for example in the case of low mounting conditions, when there is not enough space for an additional element. If there are only a few different sizes, it could be wise to use RIPP LOCK® screws and nuts to reduce the variety of parts to a minimum. The Böllhoff stock assortment includes in addition to RIPP LOCK® nuts RIPP LOCK® socked head screws and RIPP LOCK® hexagon head screws. Apart from the yellow chromate version all other fasteners are in accordance with the directives of ELV, RoHS and WEE. Because the function of the RIPP LOCK® screws and nuts is the same as the function of the washer, it is up to the constructing engineer to decide which type they choose for an effective screw locking.

Joining together! – our company vision.

A vision that inspires our company culture

For four generations, courage, fairness and

and daily life.

loyality have been the cornerstones of our

This inspiration drives our product program

business culture. The foundation on which

in the world of fastening and assembly

we have built success for our company, our

technology. “Joining together” is much

customers, our business partners and our

more than just a neat slogan. It is also a


business vision that puts people first. Because it is people who put the vision

Böllhoff Group · Archimedesstr. 1–4

into practice and build the solid foundation

33649 Bielefeld · Germany

of our success today and in the future. ·

Joining together!


SpringsTec Fair 2013 SpringsTec Fair 2013 takes place 26th - 28th February 2013, in Hall 2 at the Messe Stuttgart, Germany.


xhibitors from eleven countries are participating. From France, Comptoir Général du Ressort and Borrelly Spring Washers are both active in the aerospace supply market. Italian company Mollificio Valli Srl and Spanish firm RPK S. Coop, both supply to electrical goods manufacturers. UK-based SpringTech Ltd, which supplies to the oil and gas industry, has opted for a large stand as has Canadian market leader, Liberty Springs. A number of Asian manufacturers are participating, such as Special Spring (India) Pvt Ltd and Ming Tai Industrial Co Ltd. The largest contingent of exhibitors comes from Germany and include: Christian Bauer GmbH + Co KG and Dr Werner Röhrs KG, expert manufacturer for specialist engineering solutions, as well as Oskar Schwenk GmbH & Co KG, Platzmann Federn GmbH & Co KG, Hans Ziller GmbH, VDF Vogtland Federntechnik GmbH and Zimmermann Technische Federn GmbH, all supplying automotive and other engineering sectors. The following previews are just a selection of the companies exhibiting at SpringsTec Fair 2013. A full exhibitor list and information for visiting the show are available at

Hans Ziller GmbH

RPK Group

Founded in 1969 as a two-man business, Hans Ziller GmbH now employs 120 skilled people producing standard and customised special springs in Böhmenkirch, Germany. Hans Ziller GmbH focuses mainly on the customised design and manufacture of springs in wire diameters ranging from 0.1mm to 10mm. The company’s range includes: • Compression springs with wire diameter from 0.1mm up to 10mm. • Tension springs with wire diameter from 0.2mm up to 5mm. • Bore ring and shaft ring with diameter from 0.8mm up to 3.2mm. The company’s portfolio also includes torsion springs and bending parts. Industry sectors serviced include automotive, hydraulic and pneumatic components manufacturers, electrical goods manufacturers and general engineering. Hans Ziller GmbH has a new stock programme, which includes 3,000 springs, as well as the capability to produce individual STAND B27 springs to drawing or sample.

RPK Group has a global presence with factories in Spain, Mexico and India, producing compression, tension and torsion springs as well as wave springs, rings, wire forms, flat-band parts and copper coils. The RPK Group has the capacity to find solutions for the automobile, electric, medical or general industrial sectors and responds proactively to customer requirements to develop new products and prototypes. RPK was founded in Vitoria-Gasteiz, Spain, in 1974. In 2002 it opened its first production facility outside Europe, investing 9 million euros to establish RPK Mexico to supply customers on the American continent. In 2006 Herckelbout-Dawson Iberica S.A. was acquired, located in Tarragona, allowing the group to further strengthen its knowledge in manufacturing stamped-bent products. RPK began activities in Asia in 2010 by setting up a production facility in Pune, India. STAND B26

Alfred Weigel KG

Mollificio Mazzoni

The Alfred Weigel KG spring factory builds on the fourth generation of family ownership and over 100 years manufacturing and development experience in the production of technical precision springs. The company specialises in the manufacture of wire and strip form springs and stamped and formed parts, for cross-industry applications worldwide. Modern manufacturing methods combined with Alfred Weigel’s expertise can translate the customer’s requirements from idea to production stage.

Mollificio Mazzoni started in 1968 as a small artisan company, gradually growing in the field of metal springs manufacturing thanks to the talent and skill of its founder Gilberto Gioacchini. In the following years, when the founder’s sons Roberta and Federico Gioacchini joined the company, the manufacturing activity developed considerably. Their vitality, a mix of initiative and creativeness, led by the experience and ability of Gilberto Gioacchini, ensured the development of a small firm into a modern and dynamic company. Today Mollificio Mazzoni can boast a long and deep experience in spring manufacturing and in complex geometry machining of metallic wire and strip. The company pays particular attention to technical specifications and to meeting its customers’ requirements. The company produces for electromechanical and electronic components manufacturers and its design and development department provides full support and advice to customers on product STAND E25 industrialisation processes.


32 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

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exhibitions Mollificio Bergamasco Srl

Mollificio Valli

Mollificio Bergamasco is an SGS ISO 9001 certificated company with more than 50 years of experience in the production of metal components. Amongst the products offered is an extensive range of various shapes and technical applications of compression/ torsion/extension and double-extension springs. The core business is from 0.08mm diameter (micro) to 3mm diameter but higher diameters are produced according to clients’ requests and drawings. Mollificio Bergamasco also produces small high precision metal components used in a wide range of industrial sectors from heavy duty to hi-tech, including clamps, contacts, hinges, clips and other cut and bent STAND E24 metal parts.

Founded in the 1960s by Mauro Valli, Mollificio Valli has grown from a small individual business to become a major international company, employing more than 100 people at its Oleggio Castello plant, all committed to providing a quality product at the cutting-edge of technology. Mollificio Valli’s production range of elastic metal components is wide and diversified, designed to satisfy the requirements of various types of industry. The company also works closely with its customers to create tailormade products. Its technical-business team identifies the requirements and develops comprehensive solutions, from spring design and selection of high-performance raw material, through prototyping to final production and supply. Processing wire and strips has been Mollificio Valli’s specialisation from the beginning: bending and working the metal to create elastic components that meet the requirements of modern industry. As well as a vast production of springs, the company’s machinery allows it to produce simple or complex shaped components, assemblies, rings and special blanks and formed blanks. Finally, all products are tried and tested - Mollificio Valli is particularly proud of its quality control department, in which measuring and fatigue testing tools ensure control of all production phases from raw material to finished product. STAND F37

Gutekunst Federn

Mollificio Lombardo

For compressive, tensile or bend loads, large or small, with shaped ends or straight, high-resistance or standard, at Gutekunst Federn customers will always find the right spring for their needs, either direct from stock or made to individual specifications. In addition to a catalogue range of 12,603 spring sizes and various frame items available from stock, Gutekunst Federn also offers an inexhaustible variety of individual springs and bent wire parts with a range of wire thicknesses, from small quantities through to large-scale series production. Established in 1964, Gutekunst Federn is one of Europe’s largest spring manufacturers. From four locations in Germany and France it supplies 100,000 customers worldwide from many different industries. In addition to mechanical engineering, automobile, electronics, medical, aviation and aerospace fields, Gutekunst Federn also supplies customers in the food and drink, jewellery and cosmetics industries.


Mollificio Lombardo is one of the oldest makers of springs in Italy, this year celebrating 80 years of activity. The company makes a huge range of springs from wire and strip including: compression springs, torsion and double torsion springs, blanked, flexion springs, extension springs, shaped springs and assembled springs. Production is scheduled and monitored continuously using software, which in compliance with ISO 9001-2000 ensures full traceability. Five years ago Mollificio Lombardo also achieved ISO TS 16949:2002 automotive quality certification. The company’s springs are used in many industries including automotive, electromechanical, mechanical-textile, aeronautical, mechanical, and others. Mollifico Lombardo’s technical department supports many customers using the co-design concept for the development of springs, starting from the production of prototypes and samples through to industrialisation and production in series.

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Bülte extends product range Bülte Plastics has added two new references, PF150 and PF180, to its product range - Handles Type PF.


ülte says its handles are easily and quickly assembled for a perfect finish. These polyamide (nylon) handles are resistant to corrosion, impact and common chemicals and they have good dimensional stability and high thermal resistance. Handles (flat profile) can be attached with M6 (only for PF94) or M8 hex head screws. They are available in two heights (36mm and 45mm) and lengths from 110mm to 201mm. Standard colour is black but other colours are available on request.

GG coating increases tool life HEROSLAM SAL, a manufacturer of top-quality thread rolling tools for the fastener industry, says that its revolutionary coating GG – which stands for GOGOR – helps to significantly increase tool life.


lberto Gabika, managing director of HEROSLAM, reports that the application of the GG coating - developed and made in-house - increases tool life by an average of at least 30%. Additional benefits include minimising machine down time through reducing the time taken on machine preparation and changes, as well as a significant reduction in manufacturing costs. “With our GOGOR (GG) coating we can provide our customers with the best ratio of quality, service life and price on the market,” states Alberto Gabika. HEROSLAM points out that when its GG coating is combined with its tooling capabilities - such as thread rolling hard materials (titanium or Inconel), customers are more than satisfied with the result. In fact the results obtained with GOGOR (GG) have led Heroslam to be recognised by customers from the aerospace fastener industry as a leading supplier of thread rolling tools. Alberto Gabika says: “HEROSLAM produces tools of exceptional quality, a complete range of products including flat and planetary dies as well as cylindrical dies for all kind of thread-rolling applications. Thus, we put our customers ahead of the competition in terms of threading quality and tool cost efficiency.”

Customised fastening solutions GESIPA® says it is able to create customised fastening solutions for a multitude of applications, by using its innovative products such as PolyGrip®, G-Bulb® and BULB-TITE® blind rivets or GESIPA® blind rivet nuts and blind rivet nut studs.


n the field of setting tools, GESIPA points out that decisive market leadership is achieved by forward looking products such as the battery powered blind riveting tools of the bird-family, the GAV automatic riveting machines, the TAURUS series and the newly developed FireFox ® blind rivet nut setting tool. GESIPA explains that its reliability and consistent performance demonstrated millions of times, is achieved through its decades long experience in production, and a second to none quality concept within the industry. GESIPA highlights that its highly qualified employees, best production machines and its in-production quality organisation guarantees fulfillment of even the most stringent customer demands. In addition to the usual dimension, tolerances and raw material quality checks, finished products are also submitted to extensive functional checks before leaving the group’s factories. All GESIPA products comply with the RoHS 2011/65/EU directive. “The aim of GESIPA Group is to fulfil the customers’ requirements with an integral quality concept. In the foreground is the cost-effectiveness, guaranteed by a strict respect of function characteristics, required performance, and adequate processing capability.”

36 Fastener + Fixing Te chnology • Issue 8 Jan - Mar 2013

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Adolf Pühl GmbH & Co. KG..................................................................7 Advance Spares................................................................................. 27 Albert Pasvahl GmbH + Co................................................................29 Alloy & Stainless.................................................................................2-3 Ambrovit...............................................................................................9 Anochrome Group.............................................................................23 Baker & Finnemore Ltd....................................................................... 15 bigHead Bonding Ltd.........................................................................29 Bollhoff GmbH ................................................................................... 31 Bossard Ltd.........................................................................................33 Bülte Plastiques SA.............................................................................. 37 Dörken MKS-Systeme GmbH & Co.....................................................40 EFC International................................................................................ 27 ETMA Metal Parts................................................................................35 Fastener Fair India..............................................................................25 GBK UK Ltd..........................................................................................25 GESIPA Blindniettechnik GmbH........................................................... 21 Heroslam............................................................................................23 HS Technik.......................................................................................... 17 Hugo Benzing GmbH & Co KG........................................................... 15 Lesjöfors AB........................................................................................34 Mubea............................................................................................... 37 NOF Metal Coatings Europe............................................................... 19 Nord-Lock International......................................................................29 Norm Civata AS....................................................................................1 NORMA.............................................................................................. 13 Peter Schröder GmbH........................................................................ 15 Precision Technology Supplies Ltd......................................................39 Rivelit....................................................................................................5 Roy Hopwood Fasteners Ltd...............................................................25 Spirol..................................................................................................23 TFC Ltd............................................................................................... 37 Top Screw Metal Corp........................................................................38 Wrentham Tool Group........................................................................ 21

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Fastener + Fixing Technology #8  

January - March 2013 edition.

Fastener + Fixing Technology #8  

January - March 2013 edition.