API5B Standard 7inch LTC N80 Coupling STOCK

Specifications:
Couplings 7" L80 LTC collar
Couplings 7" L80 BTC collar
Couplings 7" L80 STC collar
Couplings 7" N80 LTC collar
Couplings 7" N80 BTC collar
Couplings 7" N80 STC collar
Couplings 3-1/2" L80 EUE collar
Couplings 3-1/2" L80 NUE collar
Couplings 2-7/8" N80 EUE collar
Couplings 2-7/8" N80 NUE collar
Couplings 2-3/8" N80 EUE collar
Couplings 2-3/8" N80 NUE collar
Couplings 3-1/2" N80 EUE collar
Couplings 3-1/2" N80 NUE collar
Couplings 3-1/2" N80 EUE collar

Couplings 3-1/2" N80 NUE collar
API Coupling J55 K55 N80 P110
1.Size:1.9" to 20"
2.Grade:J55, K55, N80-1, N80Q, L80-1, L80-9Cr, L80-13Cr, C90, C95, T95, P110, Q125
3.Standard: API Spec 5CT and Agree
api 5ct coupling
1.O.D: 2-3/8"-20"
2.Grade: J55 K55 N80 P110 ect
3.Thread: NU EU STC LTC BTC
4.Standard: API 5CT