Type: OCTG Coupling.
Material and Grade: API 5CT, N80.
Manufacture Method: Threaded.
Size: 3 1/2 Inch, EUE.
Surface Treatment: Usually Painting.
Independence Inspection: Chemical Test, Mechanical Test.
Application: For Pipe Connection.
Packing: Wooden Case or As Your Requirement.
Payment Terms: TT/LC, West Union, Paypal, O/A.
Delivery Time: 7-25 Days after Receiving the Deposit.