| Customization: | Available |
|---|---|
| After-sales Service: | 24 Hours Online Service |
| Warranty: | 1 Year |
Suppliers with verified business licenses
API
5CT
API 5CT 4-1/2 N80 STC casing coupling
Couplings are short subassemblies used to enable two components with the same connection and size to be connected. Couplings are also known as loose coupling and spare coupling.;
The company specialized in produce all kinds of Oil Pipe Connectors, strictly in accordance with American Petroleum Institute Standard API. The main products are 2-3/8″, 2-7/8″, 3-1/2″, 4-1/2″ EU & NU oil pipe connectors, 5-1/2″, 7″,9-5/8″casing coupling connectors, various spec oil pipe sections, adjustable joints and various machinery products. At home, the products are sold to major oil fields and oil pipe manufacturers.
"Size Range: 1.9"to 24"
Grades: All API grades.
Connections, API Threads & Premium Threads from the lead company
| Descriptions and size | Type of Thread | O. D*L(mm) | Weight(kg) | |
| Tubing Coupling | 2-3/8" | NUE | 73.02*107.95 | 1.28 |
| 2-3/8" | EUE | 77.80*123.82 | 1.55 | |
| 2-7/8" | NUE | 88.90*130.18 | 2.34 | |
| 2-7/8" | EUE | 93.17*130.35 | 2.4 | |
| 3-1/2" | NUE | 107.95*142.88 | 3.17 | |
| 3-1/2" | EUE | 114.30*146.05 | 4.1 | |
| 4" | NUE | 120.65*146.05 | 4.35 | |
| 4" | EUE | 127.00*152.40 | 4.82 | |
| 4-1/2" | NUE | 132.08*155.58 | 4.89 | |
| 4-1/2" | EUE | 141.30*158.75 | 6.05 | |
| Casing Coupling | 4-1/2" | STC | 127.00*158.75 | 5.23 |
| 4-1/2" | LTC | 127.00*177.80 | 4.15 | |
| 4-1/2" | BTC | 127.00*225.42 | 4.55 | |
| 5" | STC | 141.30*165.10 | 4.66 | |
| 5" | LTC | 141.30*196.85 | 5.75 | |
| 5" | BTC | 141.30*231.78 | 5.85 | |
| 5-1/2" | STC | 153.67*172.45 | 5.23 | |
| 5-1/2" | LTC | 153.67*203.20 | 6.42 | |
| 5-1/2" | STC | 153.67*234.95 | 6.36 | |
| 6-5/8" | STC | 187.71*184.15 | 9.12 | |
| 6-5/8" | LTC | 187.71*222.25 | 11.34 | |
| 6-5/8" | STC | 187.71*244.48 | 11.01 | |
| 7" | STC | 194.46*187.15 | 8.39 | |
| 7" | LTC | 194.46*228.60 | 10.83 | |
| 7" | STC | 194.46*254.00 | 10.54 | |
| 7-5/8" | STC | 215.90*190.50 | 12.3 | |
| 7-5/8" | LTC | 215.90*234.95 | 15.63 | |
| 7-5/8" | STC | 215.90*263.52 | 15.82 | |
| 8-5/8" | STC | 244.48*196.85 | 16.23 | |
| 8-5/8" | LTC | 244.48*254.00 | 21.67 | |
| 8-5/8" | STC | 244.48*269.88 | 20.86 | |
| 9-5/8" | STC | 269.88*196.85 | 18.63 | |
| 9-5/8" | LTC | 269.88*266.70 | 25.45 | |
| 9-5/8" | STC | 269.88*269.88 | 23.16 | |
| 10-3/4" | STC | 298.45*203.20 | 20.78 | |
| 10-3/4" | STC | 298.45*269.88 | 25.74 | |
| 11-3/4" | STC | 323.85*203.20 | 22.64 | |
| 11-3/4" | BTC | 323.85*269.88 | 28.03 | |
| 13-3/8" | STC | 365.12*203.20 | 25.66 | |
| 13-3/8" | BTC | 365.12*269.88 | 31.77 | |
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