We are the professional manufacturer and exporter of Rock Drilling Tools.And we have got ISO9001 certificate.
Port: ningbo
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: woodencase/cartons
Delivery Detail: 1-35
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" | 810 x 13.515 | 4° | 2 |
| 26 | 1 1/32" | 810 x 13.515 | 4° | 2 |
| 28 | 1 7/64" | 810 x 13.515 | 6° | 2 |
| 30 | 1 3/16" | 810 x 13.515 | 7° | 2 |
| 32 | 1 17/64" | 810 x 13.515 | 7° | 2 |
| 34 | 1 11/32" | 810 x 13.515 | 7° | 2 |
| 36 | 1 27/64" | 810 x 13.515 | 7° | 2 |
| 38 | 1 1/2" | 810 x 13.518 | 7° | 2 |
| 40 | 1 37/64" | 810 x 13.518 | 7° | 2 |
| 42 | 1 21/32" | 810 x 13.518 | 7° | 2 |
| 50 | 1 31/32" | 810 x 13.518 | 7° | 2 |
| 56 | 2 13/64" | 810 x 13.518 | 7° | 2 |
| 60 | 2 23/64" | 810 x 13.518 | 7° | 2 |