Socket Head Cap Screw Head Type Button System of Measurement Metric Drive Type Socket Drive Size 4 mm Material Steel Material Grade/Class Class 10.9 Finish Plain Thread Size M6-1 Minimum Thread Length 30 mm Fastener Length 30 mm Head Height 3.3 mm Head Diameter 10.5 mm Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Color Black Countersink Angle Not Applicable Dimensional Standards ISO 7380-1 Flange Diameter Not Applicable