Countersunk Washer Material Grade/Class 18-8 Material Stainless Steel Finish Plain For Screw Size 1/4 in Maximum Inside Diameter 0.328 in Outside Diameter 25/32 in Countersink Angle 82 Degrees Overall Height 0.156 in Color Silver Flanged No For Use With Flat and Oval Head Countersunk Screws Made in North America No Manufacturer Location Globally Sourced Maximum Temperature Not Applicable Minimum Inside Diameter 0.312 in Minimum Temperature Not Applicable Pack Size Small Pack