- oil pipe coupling
- 2017-01-17 05:55
- 5-1/2 casing coupling API5CT, ISO9001,ISO1004 OD: 5 1/2in, 139.7mm J55,K55,N80,P110,L8 EUE,NUE
- API 5CT oil coupling
- 2017-01-17 05:55
- 1) name:oil coupling 2) API 5CT 3)O.D.:2-3/8-4-1/2 4)Thread: EUE or NUE
- API Couplings
- 2016-10-23 00:27
- 5) Length: R1, R2, R3