12-24 x 3/8 Alloy Steel Socket Head Cap Screw is a socket head cap screw for buyers matching an exact thread and length to drawings, repair records, or stocked hardware. With a 12-24 thread and 3/8 in. length, it fits high-clamping-force joints where size interchangeability matters. Common uses include automation systems, packaging machinery, and power transmission, where internal hex installation helps keep the joint accessible. Verified head dimensions and hex key size help engineering departments check fit before ordering. Those verified dimensions support counterbore checks, tool selection, and replacement fastener review. Technical Highlights Material: Alloy Steel Thread: 12-24 Length: 3/8 in. Nominal Body Diameter: .215 in. Head Diameter: 0.337 in. min / 0.344 in. max Head Height: 0.211 in. min / 0.215 in. max Hex Key Size: 5/32 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.