Socket Flat Head Screw, Head Type Flat, System of Measurement Inch, Drive Type Socket, Drive Size 3/16 in, Material Stainless Steel, Material Grade/Class 18-8, Finish NL-19, Thread Size 5/16 In. -18, Minimum Thread Length 51/64 in, Fastener Length 1 in, Head Height 0.198 in, Head Diameter 0.656 in, Pack Size Small Pack, Thread Style Fully Threaded, Special Features Not Applicable, Dimensional Standards ASME B 18.3, Flange Diameter Not Applicable, Flange Thickness Not Applicable. This item has been restricted from sale in the following state (s): []