Pretty much every brand of fastener washers are like that. Your wasting your time writing TSC, they don't make them anyway.
Lawson Products are pretty good. I don't think their washers are this way, but it's been a while since I bought any from them.
Go to your local Fastenal Store and buy some. They may or may not fit better, but you will decide that since they charge 2X as much for the same thing, you can live with what TSC sells.
FWIW, you can just use the next size down washer for your fasteners.... no one will ever know.
