2-64 x 5/8 Alloy Steel Socket Head Cap Screw supports industrial fastening where the socket head, internal hex drive, and verified head dimensions help match existing designs. This size keeps the specified 2-64 thread and 5/8 in. length visible for repair work tied to an existing fastener callout. Selected for assembly equipment, production lines, and tooling, 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. This keeps the listing focused on the fastener geometry rather than broad catalog language. Technical Highlights Material: Alloy Steel Thread: 2-64 Length: 5/8 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.