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The 5/16-18 x 1 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Hot Dip Galvanize is available now from South Coast Fasteners with Fast 3-5 Day Shipping. It measures 5/16" diameter, 1 1/2" (PT) length, coarse thread, A-307 Grade A with a Hot Dip Galvanize finish. These square head bolts are part of our Square Head Bolts line, stocked across industries such as Marine & Offshore.
Pairs well with Finished Hex Nuts and Flat Washers to complete the assembly. Please Contact Us if you need assistance in selecting the right product or placing an order.