Metal face sealed bit is characterized by steady performance. It is of a longer service life than common rubber seal
bit. It is applicable for down hole power drilling tools and high speed rotational drilling. We offer a variety of tricones, from sealed bearing button(TCI) bits to openbearing steel tooth bits in a wide range of sizes, in new, rebuilt, andunused/surplus.
1. Superior Performance
2. Lower Cost
3. Reliable bearing system
4. OptionalSizes
4. OptionalSizes
| No | Bit Size | |
| Inch (in) | Metric (mm) | |
| 1 | 7 7/8 | 200.0 |
| 2 | 8 1/2 | 215.9 |
| 3 | 9 1/2 | 241.3 |
| 4 | 12 1/4 | 311.1 |
| 5 | 17 1/2 | 444.5 |
5. Technical Parameters:
| No | IADC Code | Recommendation | |
| WOB(KN/mm) | Rotary Speed(rpm) | ||
| 1 | 117 | 0.35~0.8 | 240~80 |
| 2 | 127 | 0.35~0.9 | 240~70 |
| 3 | 437 447 | 0.35~0.9 | 240~70 |
| 4 | 517 527 | 0.35~1.0 | 220~60 |
| 5 | 537 547 | 0.45~1.0 | 220~50 |
| 6 | 617 627 | 0.45~1.1 | 200~50 |
| 7 | 637 | 0.5~1.1 | 180~40 |
We are experienced on manufacturing rock drilling tools, various oftools for your different requirement, we can provide professinal solution ofwell driling for the suitable customized tools which will decrease the cost ofproject.
