Our products have approved ISO9001:2000 Quality System and inspection of

National Rock Drilling Tools Inspection Center.All the products have assured by

China People Insurance Company.

Features:          

1) Tapered connection: 6, 7, 11, 12

2) Threaded connection: R22, R25, R28, R32, R38, T38, T45, T51

3) Diameter: 28-127mm