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 5140

4) SM coupling coating material : Ni60A Alloy.

5)Basic Hardness: HRC 16-23

6)Surface Hardness: HRC 55-62

7)Hole rate: 2%

8)Min. Hardness of the layer: 595HV0.2

9)Standard: API Spec 11B

10)Coupling diameter: 5/8",3/4",7/8",1",1-1/8"

If you are interested in any of our sucker rod couplings or have any cooperation idea, pls feel free to contact us for further information.

As 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.

Yantai Yunsheng Petroleum Machine Accessories Co. Ltd., founded in 2005, is a professional manufacturer of API Spec 11B Sucker Rod Couplings, including Spray Metal coupling, class T coupling, Sub OD coupling, with various type of Full size, Slim Hole, Over Size, with Big Chamfer, with Wrench Flat, with Bidirectional Cambered Surface Protection, etc., and the thread size are available at 5/8", 3/4", 7/8", 1", 1-1/8".  Owning world top level equipments and technicians, the monthly production capacity is more than 20,000pcs.  All of our couplings are excellent in Quality and reasonable in Price, and the production & inspection are being done fully in accordance with API Spec11B standard.