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TYPES OF SPECIFICATIONS While it would be ideal to have one universal standard of measurement and production guidelines to ensure consistency, compatibility, and standardization of industrial non-threaded fasteners, there are more than 25 Standards Developing Organizations (SDOs) worldwide in addition to the International Organization for Standardization (ISO). ISO standards adopted by one SDO may contain variations that substantially alter them from ISO documentation. The chart below indicates the Huyett parts that are compliant with or exceed these standards.
Item Description
Page
Page 22
ANSI B17.1; ANSI-AGMA 9002-B04; ASTM A108; ASTM A276; ASTM A29; ASTM A582
Page 30
DIN 174; DIN 178; DIN 6880; DIN EN 10088-3; DIN EN 10277-2
Pages 28 & 36
ANSI B17.1; ASTM A276; ASTM A29
Page 30
Aligned with industry standard for metric key stock
Pages 56 & 62
ANSI-AGMA 9002-B04; ANSI B17.1
Pages 60 & 64
DIN 6885
Undersize Key Stock
Oversize Key Stock
Appl icable Specs
Undersize Machine Keys
Oversize Machine Keys
Woodruff Keys
Hi-pro KeyS
18
Pages 56 & 62
Page 78
Page 84
Spec Description
Image
Undersize key stock is material with a tolerance below its nominal or named size. It is typically used in aftermarket or one-off applications in the field.
UNDERSIZE (-)
Oversize key stock is material with a tolerance above its nominal or named size. It is typically used in aftermarket or one-off applications in the field.
OVERSIZE (+)
Undersize machine keys are the actual size of material with a tolerance range slightly under the nominal based on material selected. Machine keys are available in two styles: form A (European standard with both ends round), or form B (most common imperial standard with square ends on both), and are cut to a specified length to fit specific application needs.
ANSI-AGMA 9002-B04; ANSI B17.1
Oversize machine keys are the actual size of material with a tolerance range slightly above the nominal based on material selected. Machine keys are available in two styles: form A (European standard with both ends round), or form B (most common imperial standard with square ends on both), and are cut to a specified length to fit specific application needs.
ANSI B17.1
This half-moon shaped key is intended for use on shaft assemblies where milling a key way near stress-concentration prone shaft shoulders is not desirable.
ANSI B17.1, High Profile
Hi-pro keys are standard woodruff keys with the added feature of anti-rock “feet.” These feet keep the key from rolling in the key way and improve assembly efficiency. They are used to lock pulleys and gears to transmission shafts.
Prices, materials, dimensions, tolerances, designs, and grades subject to change without notice. © 2022 Huyett
UNDERSIZE (-)
OVERSIZE (+)