12-24 x 5/16 Alloy Steel Socket Head Cap Screw is specified when a machine assembly needs a high-strength alloy steel socket screw with predictable head and drive geometry. For actuated equipment, the 12-24 thread and 5/16 in. length help confirm the correct socket cap screw before installation. The screw is useful across production lines, packaging machinery, and processing equipment when a compact internal-hex fastener is required. Verified head dimensions and hex key size help engineering departments check fit before ordering. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 12-24 Length: 5/16 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.