(1)Standard: API 5CT. (2)Size: 2 3/8"-20" (3)Grade: J55,K55,L80,C90,P110,N80 (4)Type:STC,LTC,BTC,EUE,NUE API pup joint(1)Standard: API 5CT.(2)Size: 2 3/8"-20"(3)Grade: J55,K55,L80,C90,P110,N80(4)Type:STC,LTC,BTC,EUE,NUESurface treatment:coatingProtection of Thread:Thread protectorPacking: in bundle,by wooden case,wooden pallet or by the requirements of customer.Supply ability:500 metric Ton per ...