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South Coast Fasteners keeps the 5/8-18 SAE High Nuts, Coarse, Grade 8 Hardened Steel, Plain in stock and ready to ship. It measures 5/8" diameter, coarse thread, Grade 8 Hardened Steel with a plain finish. Used in bolted joints that need reliable thread engagement, it is part of our Finished 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.