Products details
1.High quality 9 1/2''in IADC 537 metal sealed journal gage protection insert tooth bit for oilfield drilling
2.Application formation:Soft to medium formation
3.Meet with API Spec7-1 ISO 9001:2008
4.Different IADC codes are available,can suitbale for different formations
5.High temperature and wear resistance
6.Good quality and after-sale service
7.Long work life and resonable price
8.Delivery on time
.
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, 537,617,637 |
9 1/2 | 241.3 | 437, 517,537,617,637 |
9 5/8 | 244.5 | 517,537 |
9 7/8 | 250.8 | 517,537 |
12 1/4 | 311.1 | 437, 517, 537,617,637 |
17 1/2 | 444.5 | 517,537 |
