5/16-24 x 2 1/4 316 Stainless Steel Flat Head Socket Cap Screw is designed for countersunk installations where raised hardware would interfere with movement, cleaning, or a smooth finished surface. The recessed head supports compact assemblies where a raised screw would interfere with nearby hardware. 316 stainless steel is often chosen where corrosion resistance is needed around pump assemblies, valve assemblies, and marine hardware. The drive style gives OEM manufacturers a repeatable installation method for countersunk stainless hardware. It may be used on food and beverage machinery, inspection plates, and washdown-compatible equipment assemblies. Industrial buyers can use the size-specific listing to reduce ambiguity during quote requests and replenishment. Call Cold Headers at 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.