1.O.D: 1.315" 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

SizeO.D(MM)Coupling thread

2-3/8"60.322-3/8" NUE

2-7/8"70.322-7/8" NUE

3-1/2"88.93-1/2" NUE

4"101.64" NUE

4-1/2"114.34-1/2" NUE

Contact:Bonnie Xu