Socket Flat Head Screw Head Type Flat System of Measurement Metric Drive Type Socket Drive Size 8 mm Material Steel Finish Blue Phosphate Thread Size M12-1.75 Minimum Thread Length 20 mm Fastener Length 20 mm Head Height 5.5 mm Head Diameter 20 mm Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Countersink Angle 90 Degrees Dimensional Standards DIN 7991 Flange Diameter Not Applicable Flange Thickness Not Applicable Package Quantity 10