rock drill bits coal auger bit
USD $1 - $20 /Piece
Min.Order:10 Pieces
Henan Zhongmei Drill Tool Co., Ltd.
rock drill bits coal auger bit
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