BTCBTC Size : 2 3/8"to 20" Steel grade ::K55,J55,L80,N80,C90,T95andP110 Types:NU,EU,STC,LTCand BTC Product standard:API 5CT BTC Size : 2 3/8"to 20"Steel grade ::K55,J55,L80,N80,C90,T95andP110Types:NU,EU,STC,LTCand BTCProduct standard:API 5CT NoModel OD of pipe number of threadmodel of coupling unit:mmClose distance AThicknessNet weightGross weightMinimum lengthODBore diameter Boring Wide bearing ...