5/16-18 x 1 3/8" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3

South Coast Fasteners keeps the 5/16-18 x 1 3/8" (PT) Square Head Bolts, Coarse, A-307 Grade A, Zinc Cr+3 in stock and ready to ship. It measures 5/16" diameter, 1 3/8" (PT) length, coarse thread, A-307 Grade A with a Zinc Cr+3 finish. Used in structural framing, heavy equipment, and general assembly. These square head bolts are part of our Square Head Bolts line, stocked across industries such as Petrochemical, Construction, and Metal & Mineral Mining.

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