Socket Head Cap Screw Head Type Standard System of Measurement Metric Drive Type Socket Drive Size 19 mm Material Steel Finish Blue Phosphate Thread Size M24-3 Minimum Thread Length 90 mm Fastener Length 90 mm Head Height 24 mm Head Diameter 36 mm Pack Size Small Pack Thread Style Partially Threaded Special Features Not Applicable Countersink Angle Not Applicable Dimensional Standards ASME B18.3 Flange Diameter Not Applicable Flange Thickness Not Applicable