Features :
1. Force balanced, resist impact to the blade during high-speed drilling, to make bit work stable.
2. Plus wear knot section, reduce collision in the high-speed rotational vibration.
3. Patented matrix formulation, extended bit life.
4. Optimal hydraulic design, easy to move out the drill cuttings and cooling.
5. Equipped with back reaming teeth.
6. The cutter is high performance to increase the ability of anti-impact and anti-abrasive
Available size
No | Sizes Available | |
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 | |
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!
