I think they are basically a carriage bolt............If you have an Ace Hardware store near by I'd certainly take a look there. I've had good luck with Ace for many years in my hometown.
...or do you have an "old" hardware store that has been in business for a while.....and you may not find the length you want but shortening them is easy job.


1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile