Detail: Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot....
KSQ Technologies ( Beijing) Co. Ltd. has significant experience and know-how in the supply of materials, components, finished goods, specially designed/ engineered equipment, and services from China.....
Detail: Mining Tungsten Carbide Button Drill Bit 11 Degree 32mm 33mm 35mm Description Tapered equipment affords drillers the ability to change drilling bits whilst still using the same....