- Coal Anchor Shank Drill Bit
- 2016-12-23 15:27
- Description:.desc-content { min-height: 250px }2wing anchor bit with premium PDC teeth;35CrMo as the drill bit body;can
- Anchor Shank Coal Drill Bit
- 2016-12-23 15:13
- Description:.desc-content { min-height: 250px }2wing anchor bit with premium PDC teeth;35CrMo as the drill bit body;can
- 3wing anchor bit(full disc anchor bit)
- 2016-12-23 14:20
- Description:.desc-content { min-height: 250px }3wing anchor bit with premium PDC teeth;35CrMo as the drill bit body;can