PDC Bits for Coal Mining

Anchor Coal Mining Drill Bit

2 Blades Anchor Shank Drill Bit Coal Mining Drill Bit PDC Cutter Bits Characteristics: 1. Using the PDC cutters and spherical cutters. Both of theses cutters make the bit can drill faster, so they are applied for integral formation. While, the spherical cutters have strong impact resistant and not easy to be damaged. They are suitable for fractured and complex formation. 2. One cutter is respectively inset in each blade of both sides. The caster angle of the placing cutting