Lock Washer, Lock Washer Type Internal Tooth Lock, Finish Zinc Plated, Material Steel, For Screw Size M8.2, Inside Diameter 8.2 mm, Maximum Thickness 0.8 mm, Dimensional Standards DIN 6798 J, Material Grade/Class Not Graded, Pack Size Small Pack, Rockwell Hardness C38 to C46, System of Measurement Metric, Package Quantity 100