I got some dunlop straploks and i screwed inn the bottom screw easily but than it was hard to screw in the other one so at about half way the screw gets stripped and i cant get it out!
you ****ed up buy the fender ones they are better
Seek professional help. A luthier will find a way to get you out of that mess. Probably end up using a drill to take the head off the screw and start over from there.