Coppersurfaced coupling

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

SizeO.D(MM)Coupling thread

4-1/2"114.3

4-1/2" STC

4-1/2" LTC

4-1/2" BTC

5"127.3

5" STC

5" LTC

5" BTC

5-1/2"139.7

5-1/2" STC

5-1/2" LTC

5-1/2" BTC

6-5/8"168.28

6-5/8" STC

6-5/8" LTC

6-5/8" BTC

7"177.8

7" STC

7" LTC

7" BTC

7-5/8"193.7

7-5/8" STC

7-5/8" LTC

7-5/8" BTC

8-5/8"219.08

8-5/8" STC

8-5/8" LTC

8-5/8" BTC

9-5/8"244.48

9-5/8" STC

9-5/8" LTC

9-5/8" BTC

10-3/4"273.05

10-3/4" STC

10-3/4" BTC

11-3/4"298.45

11-3/4" STC

11-3/4" BTC

13-3/8"339.72

13-3/8" STC

13-3/8" BTC

16"406.4

16" STC

16" BTC

18-5/8"473.08

18-5/8" STC

18-5/8" BTC

20"508

20" STC

20" BTC

Contact:Bonnie Xu