7/16-20 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. The size callout supports matching drawings and maintenance records when fixture clamps cannot accept a substitute fastener. The screw is useful across industrial automation, industrial facilities, and engineering departments when a compact internal-hex fastener is required. Internal hex drive access helps installation in compact assemblies, guards, housings, and fixture plates. This keeps the listing focused on the fastener geometry rather than broad catalog language. Technical Highlights Material: Alloy Steel Thread: 7/16-20 Length: 5 1/2 in. Nominal Body Diameter: .437 in. Head Diameter: 0.642 in. min / 0.656 in. max Head Height: 0.430 in. min / 0.438 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.