Type: Stabilizer
Machine Type: Drilling Equipment
Certification: API
Use: Well Drilling

       Company    Yantai Yunsheng Petroleum Machine Accessories Co.,Ltd

      Brief :  Our company mainly manufatures sucker rod coupling, including  CLASS SM, CLASS T ,CLASS UHS, Full Size and  Slim hole. We oown the advanced technology and the alloy coat abrasion proof sucker rod coupling reaches the top level in the world.

                Our company has obtained the ISO 9001 International quality mangement  certificate and  API SPEC 11 B certificate.

      Principle: We will continue to carry  on the spirit of being sincere, diligent  and  inovative to offer the higu quality prouducts and excellent service to the customers.

1)Type: SM sub- coupling

2)New: Both-way Protection Globoidal Coupling Full size SM coupling with big chamfer

3)Material: High quality Carbon steel AISI 5I40

4)Coating:Spray Material Ni60A Alloy Coating

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",3/4"×7/8",7/8"×1",1"×1-1/8"

If  any items you are  interested  in,  please feel free to connect us directly .