coupling

1.O.D: 1.9" to 20" 2.Material: J55, K55, N80, L80, P110, C95,AISI 1020 ect. 3.Tread types: NUE, EUE, VAM, STC, LTC, BTC, special clearance, XC. 4.Standards: API, 5CT and 5B 5.Packing: by carton, wooden case, wooden pallet or customized 

• Model No.： 1.9" NUE 1.9" EUE 2-3/8" NUE 2-3/8" EUE 2-7/8" NUE 2-7/8" EUE 3-1/2" NUE 3-1/2" EUE 4" NUE 4" EUE 4-1/2" NUE 4-1/2" EUE 4-1/2" STC 4-1/2" LTC 4-1/2" BTC 5" STC 5" LTC 5" BTC 5-1/2" STC 5-1/2" LTC 5-1/2" BTC 6-5/8" STC 6-5/8" LTC 6-5/8" BTC 7" STC 7" LTC 7" BTC 7-5/8" STC 7-5/8" LTC 7-5/8" BTC 8-5/8" STC 8-5/8" LTC 8-5/8" BTC 9-5/8" STC 9-5/8" LTC 9-5/8" BTC 10-3/4" STC 10-3/4" BTC 11-3/4" STC 11-3/4" BTC 13-3/8" STC 13-3/8" BTC 16" STC 16" BTC 18-5/8" STC 18-5/8" BTC 20" STC 20" BTC
• Brand： JG
• Name:： Tubing coupling Casing coupling
• Original： China