3/8-16 x 5 1/2 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 3/8-16 thread and 5 1/2 in. length, it fits drawn-to-print replacement work where size interchangeability matters. Applications often include robotics, automation systems, and engineering departments, especially where counterbored or close-clearance mounting is required. Socket engagement helps technicians apply installation torque from above the head in constrained layouts. The result is a clear alloy steel socket head cap screw listing for purchasing review and procurement. Technical Highlights Material: Alloy Steel Thread: 3/8-16 Length: 5 1/2 in. Nominal Body Diameter: .375 in. Head Diameter: 0.550 in. min / 0.562 in. max Head Height: 0.368 in. min / 0.375 in. max Hex Key Size: 5/16 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.