5/16-18 x 1/2 18-8 Stainless Steel Socket Head Cap Screw is selected for general manufacturing work where 18-8 stainless steel offers a practical balance of appearance and corrosion resistance. 18-8 stainless steel is commonly selected for general corrosion resistance in indoor equipment, protected outdoor equipment, and high-humidity work areas. The socket head form gives designers a compact bearing surface while preserving drive access for installation and service. Typical placements include agricultural equipment, outdoor hardware, and general manufacturing where general corrosion resistance and internal-hex access are useful. Industrial distributors can support customers who need a size-specific 18-8 stainless socket head cap screw for repair work. Technical Highlights: Material: 18-8 Stainless Steel; Thread: 5/16-18 UNC; Length: 1/2 in.; Nominal Body Diameter: 0.312 in.; Head Diameter: 0.469 in. max / 0.457 in. min; Head Height: 0.312 in. max / 0.306 in. min; Hex Key Size: 1/4; Drive Type: internal hex. Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.