API class SM Full Size sucker rod coupling

タイトルまたは説明

API *1B standard sucker rod coupling 7/8" spray metal full size Manufacturer API Approval Excellent quality&competitive price Yantai Yunsheng Petroleun Machine Accessories Co., Ltd.,is a Private limited liability company specializing in the manufacture and export of sucker rod coupling, including SM full size coupling, SM slim hole coupling, T full size coupling, T slim hole coupling and Sub Coupling, which are made according to the API Spec *1B. The class SM Sucker Rod Coupling is my special product, which is processed with some special technology, coated a layer of abrasion-proof, wear-proof and lessening friction coat. It cant only protect itself but also the rod, preventing and slowing down the wear. The coupling has many types and sizes, and it is made of good quality steel alloy *0Cr. It has three functions : wear proof, corrosion-resisting and reducing the friction. 1) Materials: Seamless Alloy Steel *0Cr (AISI ***0) 2) Standard: API Spec *1B 3) Class: T& SM , Sub Coupling 4) Main specification: 5/8", 3/4", 7/8", 1", **1/8" 5) Package: wooden case For more information, please contact me at any time. Looking forward to your reply.