Application: Used for Connecting two joints of Oil Tubing / Casing Specification (OD*L): Tubing Coupling: 33.35mm * 80.96mm ~ 141.30mm * 158.75mm Casing Coupling: 127mm * 158.75mm ~ 553.4mm * 269.88mm Standard: API 5CT / 5B Grade: J 55, K 55, N 80-1, N80 Q, C 90, C 95, T 95, P 110, Q 125 Thread: NUE, EUE, VAM, STC, LTC, BTC, Special Clearance, XC, VAM TOP, NEW VAM Surface: Color codes painted which indicates different steel grades Packing: Packed by wood cabin/pallet
