Trouble with set screws!

[A RC Dude]

wow, thanks for the info guys!

and yes i've let my lock-tite dry for about 24 hours every time. it is however a few years old but still can be hard to remove sometimes. i think i'll buy some red lock-tite when i go to town next time. but the set screw in the tranny that came out is pretty ground down on the bottom so i'm going to need a new one in order for it to grab well on the round shaft.