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South Coast Fasteners stocks the 5/16-18 x 4" (FT) Carriage Bolts, Coarse, Grade 5 Medium Carbon Steel, Plain for Fast 3-5 Day Shipping. It measures 5/16" diameter, 4" (FT) length, coarse thread, Grade 5 with a Plain finish. Used in structural framing, heavy equipment, and general assembly. These carriage bolts are part of our Carriage Bolts line, stocked across industries such as Manufacturing, Automotive, and 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.