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South Coast Fasteners keeps the 5/16-18 x 6" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3 in stock and ready to ship. It measures 5/16" diameter, 6" (PT) length, coarse thread, A-307 Grade A with a Zinc Cr+3 finish. Designed for steel-to-steel connections and machinery. These square head bolts are part of our Square Head Bolts line, stocked across industries such as Petrochemical, Construction, Manufacturing, and Metal & Mineral Mining.
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.