1-64 x 5/16 18-8 Stainless Steel Socket Head Cap Screw fits production assemblies where engineers need socket engagement, dimensional clarity, and stainless material compatibility. The stainless construction supports service in many maintenance, assembly, agricultural, and light chemical exposure environments. The internal hex drive supports positive tool engagement where surrounding components limit wrench clearance. Typical placements include food processing equipment, washdown-adjacent frames, and access covers where general corrosion resistance and internal-hex access are useful. Design engineers can compare the listed head dimensions and hex key size against counterbore and tooling requirements. Technical Highlights: Material: 18-8 Stainless Steel; Thread: 1-64 UNC; Length: 5/16 in.; Nominal Body Diameter: 0.073 in.; Head Diameter: 0.118 in. max / 0.112 in. min; Head Height: 0.073 in. max / 0.070 in. min; Hex Key Size: 1/16; Drive Type: internal hex. Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.