sam wrote:
I need a stainless steel full thread 5/16 carriage bolt 6 1/2 inches
long.

I've bought stainless steel nuts, bolts, and washers from this outfit in
Virginia and have liked both the quality and the prices:

http://www.winkfast.com/carriage-bolts.html

I'm making products to sell.

That's good because these folks require a $75 (minimum) order.

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/