HOT!!!!! API 11B Sucker rod coupling

Product Description

SUCKER ROD COUPLING, JOINING SUCKER ROD, GRADE SM,T&SUB, API SPEC *1B, SIZE**1/8" 1", 7/8", 3/4", 5/8", API APPROVAL PRODUCER Yantai Yunsheng Petroleum Machinery Parts Co., Ltd. is specialize in the production of sucker rod coupling , firstly own the international advanced level coupling welding technology in Yantai. We produce spray welding couping, ordinary coupling, and sub coupling ,which are all in accordance with API SPEC *1B standards for production, selling both at home and abroad, and has been enjoying a good reputation. Sucker rod coupling with big chamfer: 1) Features: spray welding in general based on the hoop increases the external chamfer at both ends, greatly reducing the contact with the pipeline, but also by friction, abrasion resistance, extended collar and tubing life. 2) Materials: Materials international *0Cr, AISI***0 3) Grade: SM class and T class may be 4) Size: full-scale and two slimhole 5) Specification :**1 / 8 "* 1", 1 "* 7 / 8", 7 / 8 "* 3 / 4", 3 / 4 "* 5 / 8" 6) Usage: oil exploration equipment, accessories, oil sucker rod coupling 7) life:> = 6 months