4-48 x 3 1/2 Alloy Steel Socket Head Cap Screw supports industrial fastening where the socket head, internal hex drive, and verified head dimensions help match existing designs. The 4-48 thread and 3 1/2 in. length support replacement sourcing without changing the specified size in actuated equipment. Selected for processing equipment, production lines, and automation systems, it gives maintenance teams a searchable alloy steel socket screw callout. Internal hex drive access helps installation in compact assemblies, guards, housings, and fixture plates. Those verified dimensions support counterbore checks, tool selection, and replacement fastener review. Technical Highlights Material: Alloy Steel Thread: 4-48 Length: 3 1/2 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.