That's a weird combo of size and thickness. Since you need more than a
couple, find a shop that has a laser cutter. They can probably cut 100
of them in an hour from 1/8" steel. The unit cost should be in the $1-$2
range.

Hul Tytus wrote:
rec.crafts.metalworking
source for large washers?

Anyone know who sells 2.5 inch steel washers .125 - .188 inches thick with
a (nominal) 3/8's inch hole? They needn't be ground or anything fancy,
quality wise. Typical punched sheet stock is good. I'd like to buy 50 or
100 at a time.

Hul