We offer both API Type "T” and "SM” Sucker Rod and Polished Rod Couplings. We also stock all common change over sizes and all couplings are available in Full Size and Slim Hole configurations. All threads are cold formed, not machined, to provide maximum thread strength. Our couplings are produced to meet and exceed all current API specifications.
Grade "T” couplings are manufactured from extruded carbon blanks and offer excellent strength and resistance to hydrogen embrittlement. Minimum tensile strength for all couplings is 95,000 PSI but the high-grade carbon used will significantly exceed the minimum. A phosphate coating is applied to all couplings for anti-galling protection.
Grade "SM” (Spray Metal) couplings start with the same high quality "T” coupling and have a very hard Nickel alloy coating applied to the outside diameter and face of the coupling. The spray metal thickness is a minimum of 0.010” and the hardness is a minimum of 55Rc. "SM” couplings are intended for use where abrasion and/or corrosion wear is a problem.

Stainless Steel Round Rod

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