3/4-16 x 2 1/4 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. This size keeps the specified 3/4-16 thread and 2 1/4 in. length visible for replacement sourcing without changing the specified size. The screw is useful across fixture design, assembly equipment, and machine tools when a compact internal-hex fastener is required. The socket head form provides a cylindrical head suited to counterbores and recessed mounting pockets. The technical highlight block below retains the verified head diameter, head height, body diameter, and hex key data. Technical Highlights Material: Alloy Steel Thread: 3/4-16 Length: 2 1/4 in. Nominal Body Diameter: .750 in. Head Diameter: 1.107 in. min / 1.125 in. max Head Height: 0.740 in. min / 0.750 in. max Hex Key Size: 5/8 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.