Bill
These guys have the rivet sets too.
http://www.hansonrivet.com/w83.htm
There made for a rivet squeezer, but for a one time application you might insert the die into a piece of round stock and lightly form the shop head by hand with a hammer.
Mike
Dha....They also have these....
http://www.hansonrivet.com/w78.htm
Mr. Edit Guy