Yantai Yunsheng Petroleum Machine Accessories Co., Ltd produce API approved sucker rod couplings, including Spray Metal sucker rod coupling, calss T sucker rod coupling, Sub sucker rod coupling, Full size sucker rod coupling and Slim Hole sucker rod coupling, with the size range of 5/8", 3/4", 7/8", 1" 1-1/8". Materials is AISI 5140.
All of our products are excellent in quality and low in price, which satisfied many of our customers home and overseas, with API Spec 11B certificate and the reliable supplier you can trust in China.
All of our products are excellent in quality and low in price, which satisfied many of our customers home and overseas, with API Spec 11B certificate and the reliable supplier you can trust in China.
API 3/4”*7/8” Class SM Full Size Sub Sucker Rod Coupling
1)Material: Seamless Alloy Steel 40Cr (AISI 5140)
2)Standard: API Spec 11B
3)Specification:
O.D.: 1-13/16”(46.04mm)
Length: 4.5”(114.3mm)
Weight: 0.92kg
4)Other Size: 5/8”*3/4”; 7/8”*1”;1”*1-1/8〞
5)Features: It is used to connect different sizes of Sucker Rods or to connect the Polished Rod to Sucker Rod string.