wehre to get bolts for sye yoke

So I have all my parts in for my AA SYE install, with the replacement shaft, axle shims and realize that I don't have the bolts to put the new shaft in with. Any chance I could get these at the local chain auto parts stores?

I got mine from the dealership, I think 4 were like 8 bucks. I was having trouble finding them at the parts stores locally.

Thanks. It turns out that they are 5/16"-24 and 1.25" long is close enough. I picked up some at the local pep boys. I picked up some M8 x 30, but they are definitely not metric. They did not have grade 8, so I will have to run these grade 5's till I can pick up some grade 8 ones, but they do work in both my stock front DS and the custom on that I have for the time being.