Carbide DTH Hammer Drill Bit, Certification : ISO9001:2008, CE etc.

we offer cop32-85mm, 90mm, 95mm, 100mm, 105mm dth hammer drill bit. dth bits are our main products. after many years research, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.
3" dth hammer bits (85mm - 105mm), shanks : dhd 3.5, cop 34, cop 32, mission 30, br 3, mach 303;
4" dth hammer bits (105mm- 130mm), shanks: dhd 340cop 44, cop 42, ql 40, sd 4, mission 40, xl 4, mach 44;
5" dth hammer bits (130mm- 152mm), shanks: dhd 350cop 54, cop 52, ql 50, sd 5, mission 50, xl 5;
6" dth hammer bits (152mm- 171mm), shanks: dhd 360 cop 64, cop 62, ql 60, sd 6, mission 60, xl 6;
8" dth hammer bits (200mm- 305mm), shanks: dhd380, ql 80, sd 8, mission 80, cop 84.