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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

Size O.D(MM) Coupling thread

2-3/8" 60.32 2-3/8" NUE

2-7/8" 70.32 2-7/8" NUE

3-1/2" 88.9 3-1/2" NUE

4" 101.6 4" NUE

4-1/2" 114.3 4-1/2" NUE

Size O.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

Email:BonneXu@dlpoctg.com

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