| Packaging Details: | Wooden cases or as your requirements |
|---|---|
| Delivery Detail: | Within 7-10 days after the payment received |
About Us
Hejian Wanxiang Drilling Equipments Co. , Ltd. is a professional supplier of drilling tools and equipments in China. With flexible company structure and advanced technology, we have dedicated ourselves to supply the drilling industry with the best products available.
We take pride in offering prompt, courteous service to all facets of the Oilfield, Water Well, Mining and Construction Industries. We look forward to working with you to establish mutually beneficial relationship!
Features :
1. Low compress strength and high wear resistance .
2. Force balanced cutting structure.
3. The use of high strength high toughness carbide teeth.
4. Locking roller ball, to adapt to high-speed.
5. Reasonable price and long uselife.
Optional Sizes:
| 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 |
| 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 |

