class sm slim hole sucker rod couplings

  1) Material: AISI 5140

  2) Standard: API Spec 11B

  3) Main specification:

    OD:1-5/8" (41.30mm)

    ID: 1-3/16"(30.16mm)

    Length: 4" (101.6mm)

    Weight: 0.52kg

4)Other Size: 5/8"; 3/4";1"; 1-1/8";

5)Smoothness: 3.1*10^-3

 6)Coat Thickness(in): 0.01in ~ 0.02in

 7)Basic hardness: HRC 16-23

 8)Surface Hardness: HRC 55-62

 9)Bonding Strength(Mpa): 484

 10)Hole rate: <2%

 11)Min. Hardness of the layer: 595HV_0.2

 12)Min. Tensile Strength: 655 Mpa

 13)Operating Temperature: -1000~400 Centigrade Temperature

 14)Life: > 180 days

 15) Package: wooden case, 1000pcs each case.

  16) Usage: oil exploration equipment, accessories, oil sucker rod coupling

We are the professional manufacturer of the sucker rod couplings, the sucker rod couplings are high in quality and low in price.

Partner with us, I promise you will be satisfied with our high quality products and excellent service.

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