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South Coast Fasteners keeps the 5/16-18 Heavy Hex Nuts, Coarse, A-563 Grade A Steel, Hot Dip Galvanize in stock and ready to ship. It measures 5/16" diameter, coarse thread, A-563 Grade A Steel with a Hot Dip Galvanize finish. Designed for holding threaded assemblies under load, it is part of our Structural and Heavy Hex Nuts line, stocked across industries such as Marine & Offshore, Manufacturing, and Construction.
Pairs well with Hex Bolts and Flat Washers to complete the assembly. Please contact us if you need assistance in selecting the right product or placing an order.