... 3/8" btc casing coupling 1.Grade: J55, K55, N80, L80, P110 2.Thread: EUE,NUE,BTC, 3.Standard: API 5CT 4.Origin ... : China 13 3/8 ... 130.182.342-7/8”EUE93.17*130.352.43-1/2”NUE107.95*142.883.173-1/2EUE114.30*146. ... s requestSIZE: Tubing coupling from 1.9” to 4-1/2”, Casing coupling from 4-1/2” to 13-3/8”TYPE: NUE, EUE (tubing ...