Product name
Rock Drill Bit
Application
Coal Mining,Granite and marble quarry
Key words
tungsten carbide drill bits
Advantage
High Performance,wearing resistance
Packing
carton or box, packing according to customer's requirement.
Diameter
24/26/28/30/32/33/34/35/36/3/38/40/42/48/50/55mm
Thread
7Degrees/11Degrees/12Degrees
Formation
Hard / Medium hard / Soft Rock Formation