Thumb Screw, Finish Plain, Material Stainless Steel, Thread Size M5x0.80, Fastener Length 20 mm, Head Width 22.5 mm, Head Height 11 mm, Head Type Wing, Maximum Head Width 22.5 mm, Minimum Head Width Not Applicable, Maximum Head Height 11 mm, Minimum Head Height Not Applicable, System of Measurement Metric, Dimensional Standards DIN 316, Head Shape Rounded Wing