Split Lock Washer, Lock Washer Type Split Lock, Finish Zinc Plated, Material Steel, For Screw Size M8, Inside Diameter 8.1 mm, Outside Diameter 14.8 mm, Maximum Thickness 2 mm, Minimum Thickness 2 mm, Color Silver, Dimensional Standards DIN 127 B, Inside Diameter Tolerance +/-0.127 mm, Made in North America No, Manufacturer Location Globally Sourced, Material Grade/Class Not Graded, Material Quality Standards ASTM A307A, SAE J429, Maximum Temperature 275 Degrees F