Originally Posted by
gregjones
I am in the very same shape. I bought a pair of calipers for the Leader and have the rear one sitting new in the box for the very same reason. I haven't tried bike shops or co-ops for a bolt off a otherwise damaged caliper, but that might be the easiest source.
I tried
Loose Screws but didn't find them.
I searched for "recessed brake nut" and "pivot bolt" and found several options for both at loosescrews.
You'll also get some hits on amazon searching for "recessed brake nut"
[I didn't try "ernest" or "steve" however]