Rock drill DTH drill bit spline shaft:eight match hammer:340 Manufactuer, good price. Long service life, good price Rock drill DTH drill bit DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted...

90mm-254mm rock drill bit Flat, convex, concave face for different rock condition Quality products with good price Trustworth With yeas of experience, now Zhongrui can manufacturer the best qualith DTH  rock drill bit, DTH hammer. Now we can supply...

pneumatic rock drill bit spline shaft:six match hammer:90 ISO certificate Manufacturer with good price DTH pneumatic rock drill bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw...

high pressure dth bit spline shaft:eight match hammer:340 350 360 380 ISO certificate DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and...

high pressure down-hole drill rock bit water hole:two match hammer:4",5",6",8" ISO certificate DTH rock bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials,...

high pressure down-hole drill bit spline shaft:eight match hammer:340,350,360,380 Manufactuer, good price. DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...

Detailed Product Description high pressure down the hole hammer work pressure:7-21kg/cm2 Impact frequency :850-1500 match bit :90 ...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...

Detailed Product Description DTH bit is our company main product.After mang years search,we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products. If you...