2-7/8 Inch EUE And NUE Thread Tubing Couling

2-7/8 Inch EUE And NUE Thread Tubing Couling

Coupling are important accessories for tubing and casing pipes. We are committed to OCTG for many years,each coupling passes phosphating, Magnetic P.I,Threading Check,and the quality of each coupling is guaranteed.
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Product Details

Product Introduction

Couplings are used to connect two joints of tubing coupling or casing pipe together.

Couplings are short length of heavy wall pipe with the same threads on each end.

According to API 5CT,API 5B or customer specified standards strict inspection and test system is used before shipping including appearance inspection, dimension inspection, chemical composition inspection, performance test, strength test, tensile test, hardness test, NDT, hydrostatic test, etc.

Product Specification
tubing coupling size1.315"-4-1/2"
connectionEUE,NUE, and all kinds of premium connectiong and high performance theread etc.
surfacePhosphating,Blackening,Zinating,Nitriding,Sandblasting,Copper plating and so on
wooden pallets,carton cases,wooden cases
Prodection Details
coupling (13)

Thread processing machine

coupling (98)

L80-13cr copper coupling

coupling (20)

bevel performance coupling

Prodect Qualification

ISO 9000

ISO 9001




Business license

Poduction Process


Q:Are you trading company or manufacturer 

A: We are factory.

Q: How long is your delivery time?

A: According to the quantity of per size.Generally it is with 7 days if the goods are in stock,or it is 15-20 days if the goods are not in stock.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: 30% T/T in advance ,balance before shippment.

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