0-80 x 3/8 Alloy Steel Socket Head Cap Screw gives engineers an internal-hex fastener for mechanical joints where socket engagement and dimensional consistency matter. The 0-80 thread and 3/8 in. length support replacement sourcing without changing the specified size in high-clamping-force joints. It is frequently used in automation systems, power transmission, and precision assemblies when socket engagement is preferred over external-wrench access. Verified head dimensions and hex key size help engineering departments check fit before ordering. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 0-80 Length: 3/8 in. Nominal Body Diameter: .060 in. Head Diameter: 0.091 in. min / 0.096 in. max Head Height: 0.057 in. min / 0.060 in. max Hex Key Size: 0.050 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.