Socket Set Screw, Head Type Headless, Point Type Knurled Cup, System of Measurement Inch, Thread Size 5/16 In.-18, Overall Length 1/4 in, Drive Type Socket, Drive Size 5/32 in, Material Alloy Steel, Finish Black Oxide, Pack Size Small Pack, Decimal Equivalent 0.313 in, Dimensional Standards ASME B18.3, Head Height Not Applicable, Head Width -, Maximum Head Height Not Applicable, Minimum Head Height Not Applicable, Package Quantity 100