I decided to swap out my JTV59 stock tuners for some locking ones to make string changing that much easier.
The replacements arrived today and they appear to be an exact match - certainly the holes line and the size is correct.
Changed out the first machine head for the low E (6th) - no problem.
Moved on to the A string (5th) - removed string, unscrewed bush, put screw driver in screw to remove the tiny holding screw and one turn and the screw head snapped off. :(
Removed the machine head BUT now I have the body of the small screw embedded in my headstock - so I can't even replace it with a new screw.
So what can I do? How can I fix it? Shall I put the new machine head on without the retaining screw - or will it just move around?
Plus can I risk replacing the others now?
:(
And just to add to my worries - I need the guitar ready for a gig tomorrow night! Didn't imagine that the screw heads would snap off the first time I tried to undo them!