All washers are not the same! Most of the hardware store washers are so thin that they seem more decorative than functional. These are genuine SAE flat washers. 3/16" ID x 7/16" OD. between .035" and .065".
Made in Taiwan.
|WASHER FITS THIS SCREW SIZE||#8|
|Washer Outside Diameter||7/16 in.|
|WASHER THICKNESS||.036 in.-.065 in.|