coupling

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Tianjin city dalip Oil Pipe Co. sales company specializing in the production of tubing collar, sleeve coupling, pipe coupling, buckle collar, with special buckle buckle connecting hoop, all kinds of fittings, tubing cross-over joint / adapter plug, oil casing, blind plug, three links, four links, elbow, thread protector (supporting silk hat - and according to the customer request processing various couplings, turn buckle, plug, fittings etc..
Tubes'coupling specifications: 1.05'', 1.315'', 1.66'', 1.9'', 2-3/8'', 2.7/8'', 3-1/2'', 4'', 4-1/2''.
Tubing collar thread: EUE (thickening), NUE (VAM TOP/NEW VAM, unthickened) (hvam Series), JFE (Taina Reiss), Hydril (Haider), Hunting (Han Ting), EX direct type buckle, buckle and all kinds of high quality special airtight buckle type.
Sucker rod coupling: 5/8''--1-1/8'', T.
Collar size: 4-1/2'', 5'', 5-1/2'', 6-5/8'', 7'', 7-5/8'', 8-5/8'', 9-5/8'', 10-3/4'', 1
Casing collar thread: STC (short round buttons), LTC (long buckle) and BTC (partial ladder buckle), VAM TOP/NEW VAM (hvam Series), JFE (Taina Reiss), Hydril (Haider), Hunting (Han Ting), EX direct type buckle, buckle and all kinds of high quality special airtight buckle type.
Steel grade: J55, K55, N80-1, N80Q, L80-1, P110, L80-3CR, 9CR, P110-13CR 13CR (super 13CR), 28CR, etc.,,,, etc.. Raw materials are selected from the standard of the domestic large steel mills.
Surface treatment: the phosphating, black, zinc, nitriding, paint.
Packing: wooden box, pallet / steel / steel, or according to customer requirements by other packaging.
Supply: 600 thousand.

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