Metis Tungsten Carbide Coal Mining Button Rock Drill Bits

Drill bits are used for drilling and the installation of anchor bars. They are provided as sacrificial drill bits (one time use only) and will be left in the borehole after the anchor bars are installed. Sinorock can provide a full range of drill bits according to customers' requirement. It's widely used in tunnel pre-support, soil nailing, slope stabilization, building foundation, etc.