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  "
- 4" |
98-101 |
2  |
4 |
40 |
4  "
- 4  " |
105-108 |
2 |
4 |
40 |
4  "
- 4  " |
114-120 |
2 |
4 |
40 |
5" - 5 " |
127-130 |
2 |
4 |
40 |
5 "
- 5 " |
140-149 |
2
o 2 |
5 |
40 |
6" - 6 " |
152-165 |
2
o 3 |
6 |
40 |
7" - 7 " |
178-190 |
3 |
6-7 |
50 |
8" - 8 " |
203-216 |
3
o 4 |
8 |
50 |
9 " |
250 |
4 |
9-10 |
50 |
10  " |
270 |
4
o 6 |
10-12 |
50 |
11" |
280 |
4
o 6 |
12 |
50 |
12 " |
311 |
6 |
12-14 |
50 |
Different sizes and connections available
upon request
|
