Socket Head Cap Screw Head Type Standard System of Measurement Metric Drive Type Socket Drive Size 14 mm Material Steel Finish Blue Phosphate Thread Size M16-2 Minimum Thread Length 40 mm Fastener Length 40 mm Head Height 16 mm Head Diameter 24 mm Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Countersink Angle Not Applicable Dimensional Standards ASME B18.3 Flange Diameter Not Applicable Flange Thickness Not Applicable