2-56 x 1 1/4 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. With a 2-56 thread and 1 1/4 in. length, it fits drawn-to-print replacement work where size interchangeability matters. Common uses include processing equipment, industrial automation, and packaging machinery, where internal hex installation helps keep the joint accessible. Internal hex drive access helps installation in compact assemblies, guards, housings, and fixture plates. The combination of product name, size, material, and verified head data improves search clarity for engineers and buyers. Technical Highlights Material: Alloy Steel Thread: 2-56 Length: 1 1/4 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.