Lock Washer, Lock Washer Type External Tooth Lock, Finish Plain, Material Stainless Steel, For Screw Size #6, Inside Diameter 0.142 in, Outside Diameter 0.317 in, Maximum Thickness 0.02 in, Color Silver, Dimensional Standards ASME B18.21.1, For Use With -, Material Grade/Class Not Graded, Pack Size Small Pack, Rockwell Hardness B85, System of Measurement Inch, Thickness Tolerance 0.022 in to 0.016 in, Package Quantity 100