Socket Set Screw, Head Type Square, Point Type Cup, System of Measurement Inch, Thread Size 1/4 In.-20, Overall Length 3 in, Drive Type External Square, Drive Size 1/4 in, Material Steel, Finish Plain, Pack Size Small Pack, Decimal Equivalent 0.25 in, Dimensional Standards ASME B18.6.2, Head Height 0.188 in, Head Width 1/4 in, Package Quantity 50