Socket Head Cap Screw, Head Type Standard, System of Measurement Metric, Drive Type Socket, Drive Size 3 mm, Material Steel, Finish Blue Phosphate, Thread Size M4-0.7, Minimum Thread Length 20 mm, Fastener Length 50 mm, Head Height 4 mm, Head Diameter 7 mm, Pack Size Small Pack, Thread Style Partially Threaded, Special Features Not Applicable, Countersink Angle Not Applicable, Dimensional Standards ASME B18.3, Flange Diameter Not Applicable, Flange Thickness Not Applicable