5/8-11 x 12 Alloy Steel Socket Head Cap Screw provides a strength-focused alloy steel socket cap screw option for mechanical assemblies requiring this exact size. With a 5/8-11 thread and 12 in. length, it fits tooling plates where size interchangeability matters. It is frequently used in manufacturing plants, tooling, and production lines when socket engagement is preferred over external-wrench access. The socket head form provides a cylindrical head suited to counterbores and recessed mounting pockets. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 5/8-11 Length: 12 in. Nominal Body Diameter: .625 in. Head Diameter: 0.921 in. min / 0.938 in. max Head Height: 0.616 in. min / 0.625 in. max Hex Key Size: 1/2 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.