4-48 x 1 1/4 Alloy Steel Socket Head Cap Screw provides a strength-focused alloy steel socket cap screw option for mechanical assemblies requiring this exact size. The size callout supports matching drawings and maintenance records when guarding and housings cannot accept a substitute fastener. The screw is useful across material handling, engineering departments, and power transmission when a compact internal-hex fastener is required. Internal hex drive access helps installation in compact assemblies, guards, housings, and fixture plates. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 4-48 Length: 1 1/4 in. Nominal Body Diameter: .112 in. Head Diameter: 0.176 in. min / 0.183 in. max Head Height: 0.108 in. min / 0.112 in. max Hex Key Size: 3/32 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.