Quote Originally Posted by FrankenWashie View Post

I'm quite surprised that the headstock has behaved like this unless there was already a flaw in the timber itself?

I'm not sure. I didn't notice anything before I put the tuners on. I've changed the tuners and have had to redrill holes on most of my guitars and bass'. I've never come across this before.
I'll keep push forward with the build and see what happens.