Split Lock Washer, Finish Zinc Plated, Material Steel, For Screw Size 7/16 in, Inside Diameter 0.44 in, Outside Diameter 0.772 in, Maximum Thickness 0.085 in, Minimum Thickness 0.085 in, Color Silver, Dimensional Standards ASME B18.21.1, Material Grade/Class Not Graded, Pack Size Bulk Pack, Rockwell Hardness C38, System of Measurement Inch, Thickness Tolerance -, Package Quantity 6500