Threaded/Tapered (taper 7, 12degree) chisel/cross bits are mostly used for hand-held rock drill. We make them by alloy steel by forging and select suitable tungsten carbide insert as per customers requests in accordance with their local rock conditions,such as for, limestone, marble, granite etc.
Detailed Product Description
|
Bit diameter |
Carbide tip |
Taper |
Water hole | |
|
mm |
in |
thick x hight | ||
|
20 |
25/32" |
6 x 12 |
4° |
2 |
|
22 |
55/64" |
6 x 12 |
4° |
2 |
|
24 |
15/16" |
8-10 x 13.515 |
4° |
2 |
|
26 |
1 1/32" |
8-10 x 13.515 |
4° |
2 |
|
28 |
1 7/64" |
8-10 x 13.515 |
6° |
2 |
|
30 |
1 3/16" |
8-10 x 13.515 |
7° |
2 |
|
32 |
1 17/64" |
8-10 x 13.515 |
7° |
2 |
|
34 |
1 11/32" |
8-10 x 13.515 |
7° |
2 |
|
36 |
1 27/64" |
8-10 x 13.515 |
7° |
2 |
|
38 |
1 1/2" |
8-10 x 13.518 |
7° |
2 |
|
40 |
1 37/64" |
8-10 x 13.518 |
7° |
2 |
|
42 |
1 21/32" |
8-10 x 13.518 |
7° |
2 |
|
50 |
1 31/32" |
8-10 x 13.518 |
7° |
2 |
|
56 |
2 13/64" |
8-10 x 13.518 |
7° |
2 |
|
60 |
2 23/64" |
8-10 x 13.518 |
7° |
2 |