PDC anchor shank drill bits are mainly used for the coal seam, dam and roadway construction of bolt-mesh support. Their life are 10-30 times of tungsten carbide bits. Usually the anchor shank drill bits have 2 or 3 wings. LD adopt high quality cutters and advanced brazing technology, so the anchor shank drill bits have high impact resistance and stable performance, can be applied to rock formation of f below 14,like gravel, granite, limestone, etc. Our diameter is from 25mm to 42mm, any special design is available upon customers' request.

Product Code	Diameter(mm)	Wing	Thread
MG-H-2	25-28,32	2	M14*1.5, M12*2, M16*1.5, M16*2
MG-W-2	25-28,32	2
MG-H-3	28	3
MG-Y-2	42	2