Socket Head Cap Screw Head Type Button System of Measurement Metric Drive Type Socket Drive Size 2.5 mm Material Steel Material Grade/Class Class 10.9 Finish Black Oxide Thread Size M3-0.5 Minimum Thread Length 8 mm Fastener Length 8 mm Head Height 1.65 mm Head Diameter 5.7 mm Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Countersink Angle Not Applicable Dimensional Standards ISO 7380-1 Flange Diameter Not Applicable