Originally Posted by
Metacortex
I recommend
Totally Stainless as a source for stainless steel hardware, I've been using them for almost 20 years now. While they specialize in kits for automotive or motorcycle use, they also sell just about every kind of stainless fastener available separately. The most common grade is 304 (aka A2), which is fine for many uses, but they also carry more corrosion resistant grade 316 and higher strength hardware as well. For more information on the strength and grades see:
http://www.totallystainless.com/totallystainless.htm
Great resource Metacortex, thanks!