Socket Head Cap Screw Head Type Standard System of Measurement Metric Drive Type Socket Drive Size 2.5 mm Material Stainless Steel Material Grade/Class 316 H5 Finish Plain Thread Size M3-0.5 Minimum Thread Length 8 mm Fastener Length 8 mm Head Height 3 mm Head Diameter 5.5 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