Split Lock Washer Finish Plain Material Stainless Steel For Screw Size 7/16 in Inside Diameter 0.44 in Outside Diameter 0.644 in Maximum Thickness 0.14 in Minimum Thickness 0.14 in Color Silver Dimensional Standards ASME B18.21.1 Inside Diameter Tolerance 0.440 in to 0.450 in Made in North America No Manufacturer Location Globally Sourced Material Grade/Class 18-8 Material Quality Standards SAE J405 Maximum Temperature Not Applicable Minimum Temperature Not Applicable