Im looking at doing the same thing... though i would post a pretty good deal but not sure on quality or what your looking for
http://www.ebay.com/itm/Grade-5-Hex-Head-Bolts-Nuts-Washers-Coarse-Thread-SAE-Assortment-1270pcs-/151465916263?pt=LH_DefaultDomain_0&hash=item2344127767