| Packaging Details: | Wooden case; iron case; or according to customers requirements |
|---|---|
| Delivery Detail: | Generally within 7 days after recieved advanced payments |
Products details
1. High quality roller bearing insert tooth bit
2. Cover almost all IADC code
3. Meet with API Spec7-1 ISO 9001: 2008
4. Center drill bit
5. High temperature and wear resistance
6. Long service life
7. Good quality and resonable price
8. IADC code suitable for different formations
About us
Hejian Wanxiang Drilling Equipments Co. Ltd.
We produce the drilling bits according to our customers requirements strickly with advanced equipment to make the quality perfect.
Specification
IADC | 437 | 517 | 537 | 617 | 637 | 737 | |
WOB | KN/ mm (bit dia.) | 0.5-0.75 | 0.5-0.85 | 0.5-0.85 | 0.55-0.85 | 0.55-0.85 | 0.55-0.85 |
Lb/ in (bit dia.) | 2860-4280 | 2860-4860 | 2860-4860 | 3140-4860 | 3140-4860 | 3140-4860 | |
r.p.m | 70-45 | 70-45 | 70-45 | 70-45 | 60-40 | 60-40 | |
Size | Bit Type | |
In. | mm | |
6 | 152.4 | 517; 537; 617; 637 |
6 1/2 | 165.1 | 617 |
7 1/2 | 190.5 | 517, 537 |
8 1/2 | 215.9 | 437; 517; 537617637 |
9 1/2 | 241.3 | 437, 517537617637 |
9 5/8 | 244.5 | 517537 |
9 7/8 | 250.8 | 517537 |
12 1/4 | 311.1 | 437; 517; 537617637 |
17 1/2 | 444.5 | 517537 |







