Socket Head Cap Screw Head Type Standard System of Measurement Metric Drive Type Socket Drive Size 14 mm Material Steel Material Grade/Class Class 12.9 Finish Black Oxide Thread Size M16-2 Minimum Thread Length 35 mm Fastener Length 35 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