00229
PDC cutter round shape external thread M14x1.5 coal mine drill bit for roof bolter
Mainly used in drilling anchor nets support holes in coalfields,providing a powerful guarantee for efficient roadway excavation.It can reduce the cost and enhances the efficiency obviously and drastically, avoiding wasting of bulk explosives and anchor bolts,improving the efficiency of construction and alleviating workers labor strength and save the man-hour.They adopt high quality cutters and advanced brazing technology,therefore,they have high wear ability and solid performance.