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Drilling tools

 

Ad claw bits

These tools are ideal for drilling through chert, gravel, shale and generally in all formations averagely consolidated.

The pilot bit is threaded to the body; the bits, assembled on bit holders in an increasing quantity depending on the diameter, are easily replaced when totally worne out.


 

 

 

 

 

 

DIAMETER inch

DIAMETER mm.

PIN TYPE (Api Reg)

N° OF BITS

PILOT BIT DIAM. (mm.)

3 7/8" - 4"

98-101

2 3/8

4

40

4 1/8" - 4 1/4"

105-108

2 3/8

4

40

4 1/2" - 4 3/4"

114-120

2 3/8

4

40

5" - 5 1/8"

127-130

2 3/8

4

40

5 1/2" - 5 7/8"

140-149

2 3/8 o 2 7/8

5

40

6" - 6 1/2"

152-165

2 7/8 o 3 1/2

6

40

7" - 7 1/2"

178-190

3 1/2

6-7

50

8" - 8 1/2"

203-216

3 1/2 o 4 1/2

8

50

9 7/8"

250

4 1/2

9-10

50

10 5/8"

270

4 1/2 o 6 5/8

10-12

50

11"

280

4 1/2 o 6 5/8

12

50

12 1/4"

311

6 5/8

12-14

50


Different sizes and connections available upon request

 

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