Socket Flat Head Screw Head Type Flat System of Measurement Metric Drive Type Socket Drive Size 1.5 mm Material Steel Material Grade/Class Class 10.9 Finish Black Oxide Thread Size M2.5-0.45 Minimum Thread Length 8 mm Fastener Length 8 mm Head Height 1.5 mm Head Diameter 5 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