| Packaging Details: | Wooden 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 tricone bit
2. IADC 517
3. Meet with API Spec7-1 ISO 9001: 2008
4. IADC code suitable for different formations
5. High temperature and wear resistance
6. Center drill bit
7. Good quality and after-sale service
8. Long service life
9. Center drill bit
About us
Hejian Wanxiang Drilling Equipments Co. Ltd.
We produce the drilling bits strictly according to our customers requirements 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 |








