Product Description

Yunsheng Sucker Rod Coupling 1)Type: T sucker rod coupling, class SM sucker rod coupling, sub sucker rod coupling, full size sucker rod coupling, slime hole sucker rod coupling 2)New Products: Both-way Globoidal Protection sucker rod coupling, Class SM Full size sucker rod coupling with big chamfer 3)Material: seamless alloy steel AISI ***0 4) SM coupling coating material : Ni*0A Alloy. 5)Basic Hardness: HRC ****3 6)Surface Hardness: HRC ****2 7)Hole rate: 2% 8)Min. Hardness of the layer: **5HV0.2 9)Standard: API S 9)Standard: API Spec *1B *0)Coupling diameter: 5/8", 3/4", 7/8", 1", **1/8" *1)Package: wooden case *2)Payment: T/T If you are interested in any of our sucker rod couplings, pls feel free to contact us. Due to we are the special manufacturer of sucker rod coupling, we can give you a best offer according to your real case. Moreover, we can supply your for sucker rod, pony rod, polished rod from our brotherhood company without any profit. Mailbox: melody (at) ytyunsheng (dot) com Yahoo: melodyyunsheng (at) yahoo (dot) cn