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BITS FOR DTH HAMMERS SIDER METAL


SIDERMETAL INDÚSTRIA METALÚRGICA Sidermetal Indústria Metalúrgica is a Brazilian basedcompany that develops its own technology to manufacture equipments and tools designed for water well drilling, civil construction as well as mining development. The company has been actively operating in all Brazilian territories, in South American and Caribbean markets. We are constantly trying to improve our process in developing new tools to meet the market's needs. Our factory, currently located in the Southern Region of Brazil, Distrito Industrial of Cachoeirinha / Rio Grande do Sul has 8.800 m²

1

1


MAIN MANUFACTURED SHANKS T3 - Turbocharged 8 Splines L= 224 mm

QL 50 12 Splines L= 240 mm

T4 -Turbocharged 12 Splines L= 228 mm

QL 60 12 Splines L= 253,3 mm

T5 -Turbocharged 12 Splines L= 287 mm

QL 80 16 Splines L= 331,7 mm

T6 -Turbocharged 12 Splines L= 230 mm

SD 4 - Mission 8 Splines 260 mm

T8 - Turbocharged 12 Splines L= 329 mm

SD 5 - Mission 8 Splines L= 260 mm

Bulroc 2" 6 Splines L= 166 mm

SD 6 - Mission 8 Splines L= 324 mm

DHD 3.5 8 Splines L= 181 mm

SD 8 - Mission 8 Splines L= 321 mm

DHD 340 (COP 44) 8 Splines L= 209 mm

SD 10 - Mission 8 Splines L= 356 mm

DHD 350 8 Splines L= 261 mm

SD 12 - Mission 8 Splines L= 468 mm

DHD 360 8 Splines L= 308 mm

CIR 90 6 Splines L= 170 mm

DHD 380 10 Splines L= 350 mm

CIR 150 6 Splines L= 170 mm 2

2


Diameters Gauge Inserts Front Inserts mm. In. Q. mm. Q. mm.

Air exits

Weight (kg)

Part Number

4,7 4,7 5,3 5,3

090T3P14D 095T3P14D 100T3P14D 105T3P14D

T3 (Turbocharged) Flat Face / Button Dome 090 3.1/2" 6 12,70 095 3.3/4" 6 12,70 100 3.7/8" 6 12,70 105 4.1/8" 6 14,28

5 5 5 5

12,70 12,70 12,70 12,70

2 2 2 2

T4 (Turbocharged) Flat Face / Button Dome 115 4.1/2" 8 14,28 127 5" 8 14,28 130 5.1/8" 8 14,28 133 5.1/4" 8 14,28

7 7 7 7

14,28 14,28 14,28 14,28

2 2 2 2

8,4 12,0 14,0 15,0

115T4P16D 127T4P15D 130T4P15D 133T4P15D

Concave Face / Ballistic Button 115 4.1/2" 8 14,28 7 127 5" 8 14,28 7

14,28 14,28

2 2

8,4 12,0

115T4C15B 127T4C15B

T5 (Turbocharged) Flat Face / Button Dome 130 5.1/8" 8 15,88 140 5.1/2" 9 15,88 146 5.3/4" 9 15,88 152 6" 9 15,88

7 9 9 9

14,28 15,88 15,88 15,88

2 3 3 3

13,9 15,0 16,0 17,1

130T5P15D 140T5P16D 146T5P17D 152T5P17D

Concave Face / Ballistic Button 130 5.1/8" 8 15,88 7 140 5.1/2" 9 15,88 9 146 5.3/4" 9 15,88 9 152 6" 9 15,88 9

14,28 15,88 15,88 15,88

2 3 3 3

13,9 15,0 16,0 17,0

130TM5C15B 140T5C15B 146T5C16B 152T5C16B

Other diameters and faces can be manufactured by consulting us.

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3


Diameters mm. In.

Gauge Inserts Q. mm.

Front Inserts Air Weight Q. mm. exits (kg)

Part number

T6 (Turbocharged) Flat Face / Button Dome 152 6" 9 15,88 155 6.1/8" 9 15,88 165 6.1/2" 9 15,88 172 6.3/4" 9 15,88 178 7 9 15,88 190 7.1/2" 9 19,05 203 8 9 19,05

9 9 9 9 9 9 9

15,88 15,88 15,88 15,88 15,88 19,05 19,05

3 3 3 3 3 3 3

21,8 22,2 23,5 25,0 26,0 27,0 29,1

152T6P17D 155T6P17D 165T6P17D 172T6P19D 178T6P19D 190T6P19D 203T6P19D

Concave Face / Button Dome 152 6" 9 15,88 155 6.1/8" 9 15,88 165 6.1/2" 9 15,88 172 6.3/4" 9 15,88 178 7 9 15,88 190 7.1/2" 9 19,05 203 8 9 19,05

9 9 9 9 9 9 9

15,88 15,88 15,88 15,88 15,88 19,05 19,05

3 3 3 3 3 3 3

21,8 22,2 23,5 25,0 26,0 27,0 29,1

152T6C16D 155T6C16D 165T6C17D 172T6C19D 178T6C19D 190T6C19D 203T6C19D

T8 (Turbocharged) Flat Face / Button Dome 203 8" 9 19,05 216 8.1/2" 9 19,05 229 9" 9 19,05

9 12 13

19,05 19,05 19,05

3 3 3

41,0 42,0 53,0

203T8P17D 216T8P17D 229T8P20D

Concave Face / Button Dome 203 8" 9 19,05 216 8.1/2" 9 19,05 229 9" 9 19,05 241 9.1/2" 12 19,05 254 10" 12 19,05 305 12" 12 19,05

9 12 13 10 10 10

19,05 19,05 19,05 19,05 19,05 19,05

3 3 3 3 3 3

41,0 42,0 53,0 57,0 57,0 77,0

203T8C17D 216T8C17D 229T8C22D 241T8C22D 254T8C22D 305T8C22D

Other diameters and faces can be manufactured by consulting us.

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4


Diameters mm. In.

Gauge Inserts Q. mm.

Front Inserts Air Weight Q. mm. exits (kg)

Part number

Bulroc 2" Flat Face / Button Dome 070 2.3/4" 6 12,75 076 3" 6 12,75 083 3.1/4" 6 12,75 089 3.1/2" 6 12,75

4 5 5 5

12,75 12,75 12,75 12,75

2 2 2 2

6,0 6,0 6,0 7,0

070B2P10D 076B2P12D 083B2P12D 089B2P12D

DHD 3.5 Flat Face / Button Dome 090 3.1/2" 6 12,75 095 3.3/4" 6 12,75 102 4" 6 12,75 105 4.1/8" 6 14,28

5 5 5 5

12,75 12,75 12,75 12,75

2 2 2 2

4,5 4,7 5,0 5,2

0903.5P14D 0953.5P14D 1023.5P15D 1053.5P15D

Flat Face / Ballistic Button 105 4.1/8" 6 12,75

5

12,75

2

5,2

1053.5P15B

DHD 340 Flat Face / Button Dome 110 4.3/8" 8 14,28 115 4.1/2" 8 14,28 127 5" 8 14,28 133 5.1/4" 8 14,28

8 8 8 8

12,75 12,75 12,75 12,75

2 2 2 2

8,0 8,4 12,0 15,0

110340P15D 115340P15D 127340P15D 133340P15D

Flat Face / Ballistic Button 110 4.3/8" 8 14,28 115 4.1/2" 8 14,28 127 5" 8 14,28

8 8 8

12,33 12,33 12,33

2 2 2

8,0 8,4 12,0

110340P15B 115340P15B 127340P15B

Other diameters and faces can be manufactured by consulting us.

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5


Diameters mm. In.

Gauge Inserts Front Inserts Air Weight Q. mm. Q. mm. exits (kg)

Part number

DHD 350 Flat Face / Button Dome 130 5.1/8" 8 15,88 133 5.1/4" 8 15,88 140 5.1/2" 8 15,88 146 5.3/4" 8 15,88 152 6" 8 15,88

7 7 7 8 8

14,28 14,28 14,28 14,28 14,28

2 2 2 2 2

15,0 15,0 16,0 18,0 20,0

130350P15D 133350P15D 140350P15D 146350P16D 152350P16D

Concave Face / Button Dome 130 5.1/8" 8 15,88 133 5.1/4" 8 15,88 140 5.1/2" 8 15,88 146 5.3/4" 8 15,88 152 6" 8 15,88

7 7 7 8 8

14,28 14,28 14,28 14,28 14,28

2 2 2 2 2

15,0 15,0 16,0 18,0 20,0

130350C15D 133350C15D 140350C15D 146350C16D 152350C16D

2 2 2 2 2 2 2 2 2 2 2 2 2 2

23,6 23,6 24,1 24,5 25,0 25,9 29,1 31,4 32,7 33,2 33,6 35,0 36,4 38,2

152360P16D 155360P16D 159360P16D 165360P16D 172360P17D 178360P17D 190360P24D 203360P26D 216360P28D 219360P28D 222360P28D 229360P30D 241360P32D 254360P32D

DHD 360 Flat Face / Button Dome 152 6" 8 15,88 155 6.1/8" 8 15,88 159 6.1/4" 8 15,88 165 6.1/2" 8 15,88 172 6.3/4" 8 15,88 178 7" 8 15,88 190 7.1/2" 10 15,88 203 8" 10 15,88 216 8.1/2" 10 15,88 219 8.5/8" 10 15,88 222 8.3/4" 10 15,88 229 9" 12 15,88 241 9.1/2" 12 15,88 254 10" 12 15,88

8 8 8 8 9 9 14 16 18 18 18 18 20 20

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

*DHD 360 Concave Face in the next page.

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Diameters Gauge Inserts Front Inserts mm.

In.

Q.

mm.

Q.

mm.

Air

Weight

Part

exits

(kg)

number

DHD 360 Flat Face / Button Dome 152 155 159 165 172 178 190 203

6" 6.1/8" 6.1/4" 6.1/2" 6.3/4" 7" 7.1/2" 8"

8 8 8 8 8 8 10 10

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

8 8 8 8 9 9 14 16

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

2 2 2 2 2 2 2 2

23,6 23,6 24,1 24,5 25,0 25,9 29,1 31,4

152360C16D 155360C16D 159360C16D 165360C16D 172360C17D 178360C17D 190360C24D 203360C26D

216 8.1/2"

10

15,88

18

15,88

2

32,7

216360C28D

219 8.5/8" 222 8.3/4" 229 9" 241 9.1/2"

10 10 12 12

15,88 15,88 15,88 15,88

18 18 18 20

15,88 15,88 15,88 15,88

2 2 2 2

33,2 33,6 35,0 36,4

219360C28D 222360C28D 229360C30D 241360C32D

254

12

15,88

20

15,88

2

38,2

254360C32D

3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3

49,1 49,2 49,7 50,9 52,0 52,7 53,7 54,1 54,6 56,6 58,6 60,9 63,6 66,8 70,5 71,8 73,6

194380P18D 200380P20D 203380P20D 210380P20D 216380P22D 219380P22D 222380P22D 226380P22D 229380P26D 241380P30D 254380P30D 267380P32D 280380P36D 292380P46D 305380P46D 311380P48D 318380P50D

10"

DHD 380 Concave Face / Button Dome 194 200 203 210 216 219 222 226 229 241 254 267 280 292 305 311 318

7.5/8" 7.7/8" 8" 8.1/4" 8.1/2" 8.5/8" 8.3/4" 8.7/8" 9" 9.1/2" 10" 10.1/2" 11" 11.1/2" 12" 12.1/4" 12.1/2"

8 8 8 8 8 8 8 8 10 10 10 10 12 12 12 12 12

19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05

10 12 12 12 14 14 14 14 16 20 20 22 24 34 34 36 38

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

*DHD 380 Concave Face in the next page

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Diameters Gauge Inserts Front Inserts mm.

In.

Q.

mm.

Q.

mm.

Air

Weight

Part

exits

(kg)

number

3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3

49,1 49,2 49,7 50,9 52 52,7 53,7 54,1 54,6 56,6 58,6 60,9 63,6 66,8 70,5 71,8 73,6

194380C18D 200380C20D 203380C20D 210380C20D 216380C22D 219380C22D 222380C22D 226380C22D 229380C26D 241380C30D 254380C30D 267380C32D 280380C36D 292380C46D 305380C46D 311380C48D 318380C50D

DHD 380 Concave Face / Button Dome 194 200 203 210 216 219 222 226 229 241 254 267 280 292 305 311 318

7.5/8" 7.7/8" 8" 8.1/4" 8.1/2" 8.5/8" 8.3/4" 8.7/8" 9" 9.1/2" 10" 10.1/2" 11" 11.1/2" 12" 12.1/4" 12.1/2"

8 8 8 8 8 8 8 8 10 10 10 10 12 12 12 12 12

19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05

10 12 12 12 14 14 14 14 16 20 20 22 24 34 34 36 38

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

QL 50 Flat Face / Button Dome 127 5" 140 5.1/2" 146 5.3/4"

8 8 8

16,00 16,00 16,00

7 8 8

14,00 14,00 14,00

2 2 2

15,0 15,9 16,0

127QL50P15D 140QL50P16D 146QL50P16D

7 8 8

14,00 14,00 14,00

2 2 2

15,0 15,9 16,0

127QL50C15D 140QL50C16D 146QL50C16D

Concave Face / Button Dome 127 5" 140 5.1/2" 146 5.3/4"

8 8 8

16,00 16,00 16,00

8

8


Diameters Gauge Inserts Front Inserts mm.

In.

Q.

mm.

Q.

Air

Weight

Part

exits

(kg)

number

16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00

2 2 3 3 3 3 3 3 3 3

23,6 23,6 24,5 25 25,9 29,1 31,4 32,7 35,0 38,2

153QL60P16D 156QL60P16D 165QL60P17D 172QL60P17D 178QL60P17D 191QL60P24D 203QL60P26D 216QL60P28D 229QL60P30D 254QL60P32D

16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00

2 2 3 3 3 3 3 3 3 3

23,6 23,6 24,5 25 25,9 29,1 31,4 32,7 35,0 38,2

153QL60C16D 156QL60C16D 165QL60C17D 172QL60C17D 178QL60C17D 191QL60C24D 203QL60C26D 216QL60C28D 229QL60C30D 254QL60C32D

19,05 15,87 19,05 15,87

3 3 3 3

51,0 53,7 55,4 56,8

203QL80P22D 216QL80P26D 222QL80P22D 229QL80P27D

19,05 19,05 15,87 19,05 15,87 19,05 19,05 19,05

3 3 3 3 3 3 3 3

49,9 50,4 52,7 54,4 55,2 60,8 64,0 78,9

200QL80C22D 203QL80C22D 216QL80C26D 222QL80C22D 229QL80C27D 241QL80C26D 254QL80C26D 305QL80C35D

mm.

QL 60 Flat Face / Button Dome 153 156 165 172 178 191 203 216 229 254

6" 6.1/8" 6.1/2" 6.3/4" 7" 7.1/2" 8" 8.1/2" 9" 10"

8 8 8 8 8 10 10 10 12 12

16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00

8 8 9 9 9 14 16 18 18 20

Concave Face / Button Dome 153 156 165 172 178 191 203 216 229 254

6" 6.1/8" 6.1/2" 6.3/4" 7" 7.1/2" 8" 8.1/2" 9" 10"

8 8 8 8 8 10 10 10 12 12

16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00 16,00

8 8 9 9 9 14 16 18 18 20

QL 80 Flat Face / Button Dome 203 8" 216 8.1/2" 222 8.3/4" 229 9"

10 10 10 10

19,05 15,87 19,05 15,87

12 16 12 17

Concave Face / Button Dome 200 203 216 222 229 241 254 305

7.7/8" 8" 8.1/2" 8.3/4" 9" 9.1/2" 10" 12"

10 10 10 10 10 10 10 12

19,05 19,05 15,87 19,05 15,87 19,05 19,05 19,05

12 12 16 12 17 16 16 23

Other diameters and faces can be manufactured by consulting us.

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9


Diameters Gauge Inserts Front Inserts mm.

In.

Q.

mm.

Q.

mm.

Air

Weight

Part

exits

(kg)

number

SD4 Flat Face / Button Dome 102 4" 115 4.1/2" 127 5"

8 8 8

14,28 14,28 14,28

8 8 8

12,75 12,75 12,75

2 2 2

9,1 9,6 10,9

102SD4P14D 115SD4P14D 127SD4P15D

8 8 8

12,33 12,33 12,33

2 2 2

9,1 9,6 10,9

102SD4P14B 115SD4P14B 127SD4P15B

Flat Face / Ballistic Button 102 4" 115 4.1/2" 127 5"

8 8 8

14,28 14,28 14,28

SD5 Flat Face / Button Dome 127 5" 140 5.1/2" 146 5.3/4"

8 8 8

15,88 15,88 15,88

7 7 8

14,28 14,28 14,28

2 2 2

14,1 15,0 15,0

127SD5P15D 140SD5P17D 146SD5P17D

7 7 8

14,28 14,28 14,28

2 2 2

14,1 15,0 15,0

127SD5P15B 140SD5P17B 146SD5P17B

Flat Face / Ballistic Button 127 5" 140 5.1/2" 146 5.3/4"

8 8 8

15,88 15,88 15,88

SD6 Flat Face / Button Dome 153 6" 156 6.1/8" 159 6.1/4" 165 6.1/2"

8 8 8 8

15,88 15,88 15,88 15,88

8 8 8 8

15,88 15,88 15,88 15,88

2 2 2 2

23,6 23,6 24,1 24,5

153SD6P16D 156SD6P16D 159SD6P16D 165SD6P17D

8 8 8 8 9 9 14 16 18 20

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

2 2 2 2 2 2 2 2 2 2

23,6 23,6 24,1 24,5 25,0 25,9 29,1 31,4 35,0 38,2

153SD6P16D 156SD6P16D 159SD6P16D 165SD6P17D 172SD6C17D 178SD6C17D 191SD6C24D 203SD6C26D 229SD6C30D 254SD6C32D

Concave Face / Button Dome 153 156 159 165 172 178 191 203 229 254

6" 6.1/8" 6.1/4" 6.1/2" 6.3/4" 7" 7.1/2" 8" 9" 10"

8 8 8 8 8 8 10 10 12 12

15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88 15,88

10

10


Diameters mm.

In.

Gauge Inserts Front Inserts Q.

mm.

Q.

mm.

Air

Weight

Part

exits

(kg)

number

SD8 Flat Face / Button Dome 194 203 222

7.5/8" 8" 8.3/4"

9 9 9

19,05 19,05 19,05

9 12 14

15,87 15,87 15,87

3 3 3

41,4 42,3 44,6

194SD8P18D 203SD8P20D 222SD8P22D

9 12 14 20 24 34

15,87 15,87 15,87 15,87 15,87 15,87

3 3 3 3 3 3

41,4 42,3 44,6 49,6 54,6 59,1

194SD8C18D 203SD8C20D 222SD8C22D 254SD8C30D 280SD8C36D 305SD8C46D

3 3 3 3 3 3

105,0 110,0 113,0 119,0 125,0 141,0

254SD10C30D 267SD10C32D 280SD10C36D 292SD10C46D 305SD10C46D 330SD10C54D

3 3 3 3 3 3 3 3 3

171,0 173,0 177,0 182,0 186,0 191,0 198,0 224,0 229,0

302SD12C46D 311SD12C48D 318SD12C50D 330SD12C54D 343SD12C58D 356SD12C64D 381SD12C79D 432SD12C96D 445SD12C102D

Concave Face / Button Dome 194 203 222 254 280 305

7.5/8" 8" 8.3/4" 10" 11" 12"

9 9 9 10 12 12

19,05 19,05 19,05 19,05 19,05 19,05

SD10 Concave Face / Button Dome 254 10" 267 10.1/2" 280 11" 292 11.1/2" 305 12" 330 13"

10 10 12 12 12 12

19,05 19,05 19,05 19,05 19,05 19,05

20 22 24 34 34 42

15,87 15,87 15,87 15,87 15,87 15,87

SD12 Concave Face / Button Dome 302 311 318 330 343 356 381 432 445

11.7/8" 12.1/4" 12.1/2" 13" 13.1/2" 14" 15" 17" 17.1/2"

12 12 12 12 14 14 16 18 18

19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05 19,05

34 36 38 42 44 50 63 78 84

15,87 15,87 15,87 15,87 15,87 15,87 15,87 15,87 15,87

SD10 and SD12 are manufactured made-to-order.

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Diameters mm.

In.

Gauge Inserts Front Inserts Q.

mm.

Q.

mm.

Air

Weight

Part

exits

(kg)

number

CIR 90 Flat Face / Button Dome 090 093 095

3.1/2' 3.5/8" 3.3/4"

4 4 4

12,75 12,75 12,75

6 6 6

12,75 12,75 12,75

3 3 3

3,5 3,6 3,7

090C90P10D 093C90P10D 095C90P10D

5 5 5

12,33 12,33 12,33

3 3 3

3,5 3,6 3,7

090C90P10B 093C90P10B 095C90P10B

3 3 3 3 3

22,7 24,5 30,4 34,0 35,8

152C150P17D 165C150P16D 190C150P20D 203C150P20D 216C150P20D

Flat Face / Ballistic Button 090 093 095

3.1/2' 3.5/8" 3.3/4"

4 4 4

12,33 12,33 12,33

CIR 150 Flat Face / Button Dome 152 165 190 203 216

6" 6.1/2" 7.1/2" 8" 8.1/2"

9 8 10 10 10

15,88 15,88 15,88 19,00 15,88

7 8 10 10 10

15,88 15,88 15,88 19,00 15,88

Other diameters and faces can be manufactured by consulting us.

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12


BITS HOLE-OPENERS Sidermetal manufactures other Bits in different models developed for various applications. Such as: aReamer Bit Manufactured in all models and sizes of shank, contains a frontal guide designed to stabilize the widening of drilling wells.

aStep-drill Bit This Step-drill Bit has the same characteristics as the Reamer one. However, the frontal guide contains air exit canals and is equipped of inserts (buttons). ADVANTAGES: aStability aVerticality aLess risk on the radial effort.

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13


MANUFACTURED FACES FLAT The flat bit is used for very hard rocks and deepened perforations that promote excellent clean.

CONCAVE Usually recommended for perforations of larger diameters. The concave bit is used for medium formations that promote excellent verticality in the perforation.

CONVEX Designed for perforations in very hard and abrasive rocks. Both button lines in the gauge keep the diameter of the perforation.

EXPRESS Is mainly a combination of both concave and convex faces. This bit is recommended for very hard and abrasive formations, where other faces used to wear out quickly. The concave center maintains vertical perforation and avoids diversion. 14

14


INSERTS

REVERSE Inserts of reversion are used on Bit of larger dimensions. They are important in places where fragments of rocks fall from the upper part of the bit. BALLISTIC Usually, this insert is used on less strengthened geological formations. The ballistic insert is highly productive and accelerated. However, due to this geometry, this insert used to break when is used in non-recommended formations

WEAR PAD (FLAT) Those inserts of flat face are applied on the lateral of the bit, behind the gauge inserts line for formations where occur extreme abrasive in the body of tool. DOME (SPHERICAL) The spherical insert is mostly used for Bit DTH because it is extremely resistant to breakdowns. The geometry absorbs better the impact of the perforation.

SHARPEN THE INSERTS

Inserts must always be sharpened or indicated when they will have reached the length superior to 50% regarding the diameter of insert and/or when the face of the cut will have flattened, an original geometry should be maintained. Use a diamond sharpener by avoiding excessive pressure on the insert when it is sharpened. Keep the sharpener and the insert refrigerated by using 70% water solution and 30% of kerosene. This process increases the useful life of the sharpener. 15

15


IDENTIFICATION CODE Understand the identification code of Sidermetal Example of code: 100 T3 P 14 D XX

100

DIAMETER of perfuration

T3

Shank model

P

14

FACE C= Concave P= Flat CX= Convex E=Express

Inserts quantity

D

XX

INSERT MODEL OPTIONAL D= Dome CR= Reverse Gauge B= Ballistc WP= Wear Pad

Observations 1) Faces, convex and express are not indicated on the tables, since their configurations are not totally defined in all diameters and shanks. 2) It must be noticed that in this catalogue various diameters and shanks are classified as special and manufactured through order. *Destroyer is the bits brand manufactured by Sidermetal. 16

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R

QUALIDADE QUE VAI FUNDO! R

Sidermetal Indústria Metalúrgica Ltda. Av. Maurício S. Sobrinho, 110 - Distrito Industrial Cachoeirinha/RS - Brasil CEP 94.930-370 Fone: (55)51 30.74.77.77 - Fax: (55)51 30.74.77.50 ™comex@sidermetal.com.br

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