12inch RCD roller cut bit with ball bit used for 100mpa-200mpa rock formation

12inch RCD roller cut bit with ball bit used for air lift reverse circulation drilling bit 100mpa-200mpa rock formation

12inch RCD roller cut bit with ball bit used for RCD drilling bit 100mpa-200mpa rock formation

12inch RCD roller cut bit with ball bit used for D2000MM RCD drill bit 100mpa-200mpa rock formation

12inch RCD roller cut bit with ball bit used for D2000MM RCD drill bit 100mpa-200mpa rock formation

10inch RCD roller cut bit with ball bit used for D2000MM RCD drill bit 100mpa-200mpa rock formation

8inch roller cut bit with ball bit used for D2000MM RCD drill bit 100mpa-200mpa rock formation

12inch roller cut bit USED FOR Full face roller bit drill head 800mm bauer type used for 100mpa-200mpa rock formation

Choice of the insert's shape, size, brand are based on the actual working condition. It can adapt to various types of rock which from 30 MPa to 300 MPa.

Tianjin huachang xingye technology co ltd produce roller cut bit used for pile