Pat, try McMaster Carr online. They have 2 of everything and if by chance they don't, try aircraft spruce. That is a very common aviation fastener and all AN hardware is fine thread.
: I am having a very hard time getting the exact
: bolts for the brake backing plate to the
: knuckle attachment.
: Its 3/8s x 24 x 7/8's long. I have found
: every other size but not 7/8's
: My book says make sure you use the correct
: length or it will stick out and hit the
: I am not sure how much "stick out"
: Any help would be appreciated