I am working on putting together a list of sources. I'm told they are not all that difficult to get. I will post some links as soon as I can.
Update: I thought I saw a link in the comments on a post elsewhere, but it turned out I was mistaken. The only thing I have to offer at this point is that a couple of guys said suitable replacement stainless steel studs are available at Lowes and Ace Hardware. Perhaps @RedFish and @4spdragtop (who also commented in another thread about replacement studs) might be able to post links or other info on availability. That would be super cool. Thanks.