I am going with
steel in steel 3/16 dia with a .357/.933 domed head which is "closed" for weather etc.
They are .02798 each for qty of a 1000 so about 30 bucks shipped should be enuf to start with I may have to go with 1700 to meet $50 min...hopefully he'll let me just get 1000
He is sending me a few to use as samples so I can compare with what I have now.
Lisa asked if I was going to use my "contacts" to build the bus...I said well yes