Thumb Screw, Finish Zinc-Plated, Material Iron, Thread Size M6x1.00, Fastener Length 20 mm, Head Width 33 mm, Head Height 17 mm, Head Type Wing, Maximum Head Width 33 mm, Minimum Head Width Not Applicable, Maximum Head Height 17 mm, Minimum Head Height Not Applicable, System of Measurement Metric, Dimensional Standards DIN 316, Head Shape Rounded Wing