Split Lock Washer Finish Plain Material Stainless Steel For Screw Size #4 Inside Diameter 0.114 in Outside Diameter 0.209 in Maximum Thickness 0.025 in Minimum Thickness 0.025 in 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 302-305 (UNS S30200-S30500) Outside Diameter Tolerance Not Applicable Pack Size Small Pack REACH Compliant Yes Rockwell Hardness HRC32