1/2-20 x 1 Alloy Steel Socket Head Cap Screw is commonly used where an Allen-style socket drive is preferred over external-wrench hardware in confined equipment layouts. The exact 1/2-20 x 1 size helps buyers align the fastener with replacement sourcing without changing the specified size. It is frequently used in manufacturing plants, assembly equipment, and maintenance repair when socket engagement is preferred over external-wrench access. Socket engagement helps technicians apply installation torque from above the head in constrained layouts. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 1/2-20 Length: 1 in. Nominal Body Diameter: .500 in. Head Diameter: 0.735 in. min / 0.750 in. max Head Height: 0.492 in. min / 0.500 in. max Hex Key Size: 3/8 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.