NORD-LOCK 2376 Wedge Lock Washer, For Screw Size 12 mm Steel, Zinc Plated
Lock Washer, Carbon Steel, Carbon Steel, Finish Zinc Plated, Fits Bolt Sizes 12mm, M12, Inside Dia. 12.5mm, Outside Dia. 19.5mm, Thickness 3.50mm, Thickness Tolerance +/-0.28mm, Color Gray, Rockwell Hardness C46, Helps Prevent Loosening, For Use...