5/16-18 x 2 1/4 316 Stainless Steel Flat Head Socket Cap Screw is an excellent choice for recessed hardware locations where engineers need 316 stainless steel and socket-drive installation. The flat head profile is useful where exposed screw heads would create clearance problems or trap residue. The material is a strong fit for beverage processing, food processing, and OEM machinery that must tolerate regular cleaning. Internal hex drive access is useful in compact equipment where a clean outside face still needs secure tightening. It is practical for machine builders working on stainless panels, access covers, and serviceable equipment doors. Engineers can reference this product when a flush-mounted stainless screw is needed for clean assembly surfaces. Call Cold Headers at 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.