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South Coast Fasteners keeps the 5/8-18 x 13/16" x 2 1/8" Hex Coupling Nuts (Economy), Coarse, A-563 Grade A Steel, Zinc Cr+3 in stock and ready to ship. It measures 5/8" diameter, 2 1/8" length, 13/16" wide, coarse thread, A-563 Grade A Steel with a Zinc Cr+3 finish. A solid choice for holding threaded assemblies under load. These coupling nuts are part of our Coupling Nuts line, stocked across industries such as Marine & Offshore.
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