Socket Set Screw, Head Type Square, Point Type Cup, System of Measurement Inch, Thread Size 5/16 In.-18, Overall Length 1 in, Drive Type External Square, Drive Size 5/16 in, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Pack Size Small Pack, Decimal Equivalent 0.312 in, Dimensional Standards ASME B18.3, Head Width -, Package Quantity 10