11 5、8 IADC127 Milled Tricone Bit

11 5、8 IADC217 Milled Tooth Tricone Bit

12 1、4 IADC 127 Milled Tooth Tricone Bit

12 1、4 IADC126 Milled Tooth Tricone Bit

13 3、4 IADC 127 Milled Tooth Tricone Bit

14 3、4'' IADC 127 Milled Tooth Tricone Bit

17 1、2'' IADC 115 Milled Tooth Tricone Bit

17 1、2'' IADC 215 Milled Tooth Tricone Bit

5 7、8 PDC bit M1375

6 PDC bit M1375

8 1、2 PDC bit

8 1、2 PDC bit M1375