
- Eng Tricone Bit 8 1/2 Inch IADC 535 TCI Roller Cone Drilling Tool
0Comment364 Play

- Oil Well API Spec 10-5/8 Inch PDC Bi-Center Drill Bit
0Comment487 Play

- Diamond Insert Drill Bit 10-5/8" PDC Drill Bit of Well Drilling Tool
0Comment369 Play
0Comment364 Play
0Comment487 Play
0Comment369 Play