Ecom Fasteners 5/16 inch x 3 inch Hex Cap Screw Grade 5 Zinc Plated Steel (Quantity: 100 pcs) Made in USA, 5/16-18 x 3 Hex Bolt/Coarse Thread/Partially Threaded 0.875 inches of Thread
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Product price and availability are accurate as of April 8, 2026 at 4:35am 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 bolt, or hex head bolt) Manufactured to ASME B18.2.1 and SAE J429 specifications Grade 5 Steel Coarse Thread / Partially Threaded 0.875 inches of Thread Made from medium carbon steel. You will notice that it’s hexagon head surface is smooth with no markings Tensile Strength: 120,000 psi 1/4 thru 1 inch diams, all lengths) - 105,000 psi. (1-1/8 thru 1.5 inch diams, all lengths)
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