- Sliding Bearing Tricone Bit
- 2017-01-15 14:36
- Sliding Bearing TriconeBit Certification: ISOAPI Bit Type: Sliding Bearing Bit Category:Inserted Cone Bit
- Roller Bearing Tricone driil bit
- 2017-01-15 14:36
- Roller Bearing Tricone bit Certification: ISOAPI Bit Type: Roller Bearing Bit Category: insert tooth Bit
- high quality drill bit tricone bit
- 2017-01-15 14:36
- 1) high quality drill bit tricone bit 2) Certification: ISOAPI 3) 30 years experience of professional manufacture