Socket Head Cap Screw Head Type Flat System of Measurement Metric Drive Type Socket Drive Size 5 mm Material Steel Material Grade/Class Class 10.9 Finish Black Oxide Thread Size M8-1.25 Minimum Thread Length 28 mm Fastener Length 60 mm Head Height 4.96 mm Head Diameter 17.92 mm Pack Size Small Pack Thread Style Partially Threaded Special Features Not Applicable Countersink Angle 90 Degrees Dimensional Standards ISO 10642 Flange Diameter Not Applicable