2-56 x 5/16 Alloy Steel Socket Head Cap Screw helps maintenance and engineering teams source an alloy steel internal-hex screw with verified head-size data. This size keeps the specified 2-56 thread and 5/16 in. length visible for repair work tied to an existing fastener callout. The screw is useful across processing equipment, robotics, and precision assemblies when a compact internal-hex fastener is required. Alloy steel supports strength-focused fastening where clamp load and repeatable assembly are important. Those verified dimensions support counterbore checks, tool selection, and replacement fastener review. Technical Highlights Material: Alloy Steel Thread: 2-56 Length: 5/16 in. Nominal Body Diameter: .086 in. Head Diameter: 0.134 in. min / 0.140 in. max Head Height: 0.083 in. min / 0.086 in. max Hex Key Size: 5/64 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.