I hear ya. Local HW stores have gotten fewer and further between with the advent of big box homecenters. The ones that remain are often pretty weak on fasteners. The big box stores have very limited selection. Seems like the big chain Auto Parts stores would get into this game. Margins are great. I drive pretty far out of my way when I need good fasteners.
Here's one source. They are actually located sort of near me.
You can even get stainless and 10.9, though they do not have much 12.9
http://www.boltdepot.com/