Lock Washer Lock Washer Type Internal Tooth Lock Finish Plain Material Stainless Steel For Screw Size 5/16 in Inside Diameter 0.32 in Outside Diameter 0.594 in Maximum Thickness 0.028 in Color Silver Dimensional Standards ASME B18.21.1 For Use With Lock Washers Made in North America No Manufacturer Location Globally Sourced Material Grade/Class 18-8 Maximum Temperature Not Applicable Minimum Temperature Not Applicable Pack Size Small Pack REACH Compliant Yes Removable Yes