OEM coal mining bit/Tungsten carbide drill bit with diameter :28-32mm,43mm,45mm,47mm,60mm,63mm

Coal mining bit /coal bit/Tungsten carbide bit

Size available(Diameter):28-32mm,43mm,45mm,47mm,60mm,63mm,other size maybe available according drawings.

More hardness,wear resistance,long servise life

We can manufacture all kinds of bits and shells according to customer's special requirement.

Any requirement please contact us, we'll do the best service for you. Hope we can establish a good business relationship