Socket Flat Head Screw Head Type Flat 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 35 mm Fastener Length 35 mm Head Height 3.72 mm Head Diameter 13.44 mm Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Color Black Countersink Angle 90 Degrees Dimensional Standards DIN 7991 Flange Diameter Not Applicable