| Place of Origin: | Jiangsu China (Mainland) |
Our products meet API and SY/T5144 Stands, getting ISO9001-2000 Attestation. Good quality, good price & in-time delivery
Thread Type OD(in) ID(in) L (mm) Bevel Dia.(mm) Bending Strenghth Ratio
NC31-41(2 7/8IF) 4 1/8 2 9150 100.4 2.43 : 1
NC35-47 4 3/4 2 9150 114.7 2.58 : 1
NC38-50(3 1/2IF) 5 2 1/4 9150 121.0 2.38 : 1
NC44-60 6 2 1/4 9150/9450 144.5 2.49 : 1
NC44-60 6 2 13/16 9150/9450 144.5 2.84 : 1
NC44-62 6 1/4 2 1/4 9150/9450 149.2 2.91 : 1
NC46-62(4IF) 6 1/4 2 13/16 9150/9450 150.0 2.63 : 1
NC46-65(4IF) 6 1/2 2 1/4 9150/9450 154.8 2.76 : 1
NC46-65(4IF) 6 1/2 2 13/16 9150/9450 154.8 3.05 : 1
NC46-67(4IF) 6 3/4 2 1/4 9150/9450 159.5 3.18 : 1
NC50-67(4 1/2IF) 6 3/4 2 13/16 9150/9450 159.5 2.37 : 1
NC50-70(4 1/2IF) 7 2 1/4 9150/9450 164.7 2.54 : 1
NC50-70(4 1/2IF) 7 2 13/16 9150/9450 164.7 2.73 : 1
NC50-72(4 1/2IF) 7 1/4 2 13/16 9150/9450 169.5 3.12 : 1
NC56-77 7 3/4 2 13/16 9150/9450 185.3 2.70 : 1
NC56-80 8 2 13/16 9150/9450 190.1 3 .02 : 1
6 5/8 REG 8 1/4 2 13/16 9150/9450 195.7 2.93 : 1
NC61-90 9 2 13/16 9150/9450 212.7 3.17 : 1
7 5/8 REG 9 1/2 3 9150/9450 223.8 2.81 : 1
NC70-97 9 3/4 3 9150/9450 232.6 2.57 : 1
NC70-100 10 3 9150/9450 237.3 2.81 : 1
8 5/8 REG 11 3 9150/9450 266.7 2.84 : 1
| Business Type: | Manufacturer |
| Product/Service (We Sell): | Drill collar,Spiral Drill collar,HWDP,Square Kelly,Hexagonal Kelly |
| Brands: | penitrate |
| Number of Employees: | 101 - 500 People |
| Main Markets: | North America South America Eastern Europe Southeast Asia Africa Oceania Mid East Eastern Asia Western Europe |
| Export Percentage: | 21% - 30% |
| Management Certification: | ISO 9000/9001/9004/19011: 2000 Others |