I am trying to attach a small round magnet (3/8 "x 1/8 thick) to my entry door frame. It will be used to hold the screen door closed without having to use the door latch. I have tried super glue which will work for a while but will eventually come loose. <br/>Any ideas on how to attach this rare earth magnet so it will not come off? Maybe epoxy or something like that?<br/>the...