Keith,
As you are a fellow Canuck, you might want to give Pacific Fasteners a call. Pretty much all they do is stainless fasteners, they are essentially a wholesaler, but will do counter sales in any quantity.
Pacific Fasteners:
Pacific Fasteners - Contact Us
Phone (604) 294-9411
I have dealt with them quite a bit, they are very close to where I work.
HTH,
jtb