3/4-16 x 3 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 3/4-16 thread and 3 in. length visible for repair work tied to an existing fastener callout. Common uses include engineering departments, packaging machinery, and tooling, where internal hex installation helps keep the joint accessible. The dimensional highlights make the listing more useful for maintenance shops and industrial distribution teams. 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: 3 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.