3/8-16 x 9 1/2 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 3/8-16 thread and 9 1/2 in. length visible for replacement sourcing without changing the specified size. Industrial buyers may specify it for processing equipment, manufacturing plants, and precision assemblies where head geometry and drive access need to be predictable. 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: 3/8-16 Length: 9 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.