Originally Posted by
leob1
Find your self an honest to goodness Hardware store, most likely an ACE or TrueValue, there you will have a much better chance of finding what you need. If your lucky it they will even have it in stainless steel.
Even good local or chain hardware stores will have only the most common diameters and thread pitches in stock. You need a specialty shop like Fastenal or Grainger to get truly odd types.