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. 5/32" ID x 3/8" OD. Thickness between .035" to .065". Made in Taiwan.
|WASHER FITS THIS SCREW SIZE||#6|
|Washer Outside Diameter||3/8 in.|
|WASHER THICKNESS||.036 in.-.065 in.|