RMR Grade T and Spray Metal sucker rod couplings are available as New or Used-Inspected. The threads of these couplings are rolled cold-formed by displacement of material rather than removal. Spray metal couplings have a corrosion-resistant surface with a low coefficient of friction and are recommended to be used in deviated wells along with RMR molded on guides. Couplings are available in all sizes included slim-hole and over-size variations.
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