Socket Set Screw, Head Type Headless, Point Type Cup, System of Measurement Metric, Thread Size M20x2.5, Overall Length 40 mm, Drive Type Socket, Drive Size 10 mm, Material Steel, Finish Black Oxide, Pack Size Small Pack, Decimal Equivalent 0.787 in, Dimensional Standards DIN 916, Head Height Not Applicable, Maximum Head Height Not Applicable, Minimum Head Height Not Applicable, Package Quantity 5