1. All sizes available, can be customized
2. fewer drilling hours, better performance with dependable hydraulics
2. fewer drilling hours, better performance with dependable hydraulics
3. Superior Performance
4. Lower Cost
5. Rolling seal bearing structure, reliable bearing system
6. Thrust bearing vice respectively by grinding surface treatment and hardening process.
7. The differential pressure and prevent drilling fluid restrictions in the lubricating system all rubber oil storage sac, and it provides good lubrication guarantee for bearing system.
8.S teel ball lock die, suitable for high speed.
9. Optional Sizes
7. The differential pressure and prevent drilling fluid restrictions in the lubricating system all rubber oil storage sac, and it provides good lubrication guarantee for bearing system.
8.S teel ball lock die, suitable for high speed.
9. Optional Sizes
size | Bit Type | |
In. | mm | |
6 | 152.4 | 136, 127 |
6 1/2 | 165.1 | 126,127 |
7 1/2 | 190.5 | 126, 136, 217, 227 |
8 1/2 | 215.9 | 114, 124, 126,127 |
9 1/2 | 241.3 | 126, 127 |
9 5/8 | 244.5 | 127 |
9 7/8 | 250.8 | 127 |
12 1/4 | 311.1 | 114, 126, 127 |
13 5/8 | 346 | 117, 126, 127 |
14 3/4 | 374.6 | 124 |
15 | 381 | 124 |
15 1/2 | 393.7 | 124 |
17 1/2 | 444.5 | 114, 117, 124, 126, 216 |
22 | 558.8 | 124 |
24 | 609.6 | 124 |
26 | 660.4 | 114 |
