5/16-18 x 3 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Plain

South Coast Fasteners stocks the 5/16-18 x 3 1/2" (PT) Square Head Bolts, Coarse, A-307 Grade A, Plain for Fast 3-5 Day Shipping. It measures 5/16" diameter, 3 1/2" (PT) length, coarse thread, A-307 Grade A with a Plain finish. Suited to construction, fabrication, and equipment repair. These square head bolts are part of our Square Head Bolts line, stocked across industries such as Manufacturing and Automotive.

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.