Lock Washer Lock Washer Type Internal Tooth Lock Finish Plain Material Stainless Steel For Screw Size 1/4 in Inside Diameter 0.256 in Outside Diameter 0.46 in Maximum Thickness 0.023 in Color Silver Dimensional Standards ASME B18.21.1 Made in North America No Manufacturer Location Globally Sourced Material Grade/Class 316 Material Quality Standards SAE J405 316 Maximum Temperature 950 Degrees F Minimum Temperature -40 Degrees F Pack Size Small Pack REACH Compliant Yes