Socket Flat Head Screw Head Type Flat System of Measurement Metric Drive Type Socket Drive Size 1.3 mm Material Steel Material Grade/Class Class 10.9 Finish Black Oxide Thread Size M2-0.4 Minimum Thread Length 6 mm Fastener Length 6 mm Head Height 1.2 mm Head Diameter 4 mm Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Countersink Angle 90 Degrees Dimensional Standards DIN 7991 Flange Diameter Not Applicable Flange Thickness Not Applicable