Hex Cap Gr5 NC 1/2-13 x 3
Category: Hardware & Fasteners
SKU: 7 38287 91925 7
$1.26
In Stock · Midwest Builder & Supply — Iowa & Missouri
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1/2"-13 x 3" SAE (UNC) hex head cap screw, SAE J429 / Grade 5 (medium‑carbon steel, quenched & tempered). Typical finish is zinc electroplate (meets ASTM F1941) and the part commonly conforms to ASME B18.2.1 dimensional standards. These cap screws are partially threaded (thread length ≈ 1-1/4" on the 3" part), have a nominal head width across flats of ≈ 3/4" and head height ≈ 5/16", and a minimum tensile strength around 17,050 lbf (recommended torque ~89.6 ft·lb per supplier data). Sold as individual pieces (or in standard packs from distributors); suitable for general mechanical and automotive applications where Grade 5 strength is required.