5/8-18 x 1 1/2 Alloy Steel Socket Head Cap Screw is suited to assemblies that need an alloy steel cap screw for clamp load, service access, and compact installation. With a 5/8-18 thread and 1 1/2 in. length, it fits machine frames and brackets where size interchangeability matters. It is frequently used in processing equipment, power transmission, and assembly equipment when socket engagement is preferred over external-wrench access. Socket engagement helps technicians apply installation torque from above the head in constrained layouts. The technical highlight block below retains the verified head diameter, head height, body diameter, and hex key data. Technical Highlights Material: Alloy Steel Thread: 5/8-18 Length: 1 1/2 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.