Latest Edition API 4inch K55 LTC Coupling

Specifications

Couplings 2-7/8" L80 EUE collar
Couplings 2-3/8" L80 EUE 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

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