Impregnated drill head ideal for drilling in hard, very hard, strong and abrasive rocks. A unique matrix formula ensures compliance matrix wear and formation, improves cutting edge wear resistance of the diamond.
Specifications
Code ADC | M842 |
The number of blades | 15 |
Square grooves | 0.8~1.5 in2 |
Tool structure | Block |
The bearing length part | 1-1/2"(38.1 mm) |
Torque the upper buckle | 13.4~16.3 KN•m |
The size of core barrel | 6-3/4"×4" |