Hex Cap Gr5 NC 5/16-18 x 3

Category: Hardware & Fasteners

SKU: 7 38287 40281 0

$0.57

In Stock · Midwest Builder & Supply — Iowa & Missouri

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Product Description

Grade 5 hex head cap screw, 5/16-18 UNC (national coarse) x 3.00" length under head; medium‑carbon (SAE) steel, partially threaded (minimum thread length ~7/8"), external hex head (1/2" wrench flats), manufactured to common ASME/SAE fastener standards (ASME B18.2.1 / SAE J429 Grade 5). Commonly offered zinc‑plated for moderate corrosion resistance or plain steel, sold individually or in packs; typical tensile strength (5/16-18) is in the Grade 5 range (catalog values shown on vendor pages). SKU preserved as provided: 7 38287 40281 0.