Standard Socket Head Cap Screw, Head Type Standard, System of Measurement Metric, Drive Type Socket, Drive Size 4 mm, Material Alloy Steel, Material Grade/Class Class 12.9, Finish Blue Phosphate, Thread Size M5x 0.80, Minimum Thread Length 20 mm, Fastener Length 20 mm, Head Height 5 mm, Head Diameter 8.5 mm, Pack Size Small Pack, Thread Style Fully Threaded, Special Features Not Applicable, Countersink Angle Not Applicable, Dimensional Standards ASME B 18.3, Flange Diameter Not Applicable. This item has been restricted from sale in the following state (s): []