I once had to find a set screw at Home depot, almost went wild they sold me a machine and it was missing a screw! Sales man took one off an other machine and gave it to me...
Might look on th einternet pending on what you need, you might find some thing there,
http://www.smallparts.com has set screws with ball...
And regular set screws.
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Skeet is a sport where you are better to hit half of each bird then completely blast one and miss the other completely.
The choice is yours, place your faith in the court system and 12 of your peers, or carried away by 6 friends.
Nemo Me Impune Lacessit. 
'Nobody provokes me with impunity'
ΜOΛΩΝ ΛΑΒΕ
In this world there's two kinds of people, my friend. Those with loaded guns, and those who dig. You dig.
Clint Eastwood
The Good, The Bad and The Ugly