Product Description

API sucker rod coupling, class T 1)Type: full size class T coupling /slim hole class T coupling 2)Material: seamless alloy steel AISI 5I40(40Cr) 3)Standard: API Spec 11B 4)Smoothness: 3.1×10-3 5) Hole rate: 2% 6)Basic Hardness: HRC 16-23 7)Coupling diameter5/8",3/4 ",7/8".11-1/8" 8)Main specification of 7/8" SHT sucker rod coupling Weight : 0.52kg O.D. :1-5/8"( 41.3mm) Length : 4in( 101.6mm) Moreover, Yunsheng sucker rod coupling includes SM sucker rod coupling,Sub sucker rod coupling, Full Size sucker rod coupling, all of them are up to API 11 B and available in size of 5/8", 3/4", 7/8", 1"and 1-1/8" If you are interested in any of our sucker rod couplings, please contact us freely. Due to we are the professional manufacturer, we have enough room to give you a best offer according to your real case.