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.
Oil casing coupling specification: 4-1/2'', 5'', 5-1/2'', 6-5/8'', 7'', 7-5/8'', 8-5/8'', 9-5/8'', 10-3/4'', 11-3/4'', 13-3/8'', 16'', 18-5/8'', 20''.
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 pallets, / steel / steel, or according to customer requirements by other packaging.
Supply: 600 thousand.