Lock Washer Lock Washer Type Countersunk External Tooth Lock Finish Plain Material Stainless Steel For Screw Size #6 Inside Diameter 0.14 in Outside Diameter 0.289 in Maximum Thickness 0.017 in Color Silver Countersink Angle 82 Degrees Dimensional Standards ASME B18.21.1 Made in North America No Manufacturer Location Globally Sourced Material Grade/Class 18-8 Material Quality Standards SAE J405 301-305 Maximum Temperature 950 Degrees F Minimum Temperature -40 Degrees F