Hex Head Cap Screws, Steel Grade 5, Thread Size: 5/8 inch, Fine Thread UNF, 5/8-18 x (Choose Length), Zinc Plating, Made in USA
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Product price and availability are accurate as of April 8, 2026 at 4:50am and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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Hex Cap Screws, also called hex head cap screws, hex bolts, or hex head bolts. Manufactured to ASME B18.2.1 and SAE J429 specifications Features a thick, hexagonal head with chamfered threads Washer face under the head to provide ample bearing surface when tightened with a wrench Made from medium carbon steel. You will notice that it’s hexagon head surface is smooth with no markings
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