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Discussion Starter · #1 ·
Hardly a tutorial, but that thread title certainly looks impressive.

I changed the tuners on my Epi. Casino Coupe using the hand tools below to enlarge the headstock holes to 3/8" .

Step bit in a tap handle, rat tail file and paraffin wax.

Pink Circle
The holes ONLY needed to be enlarged from the back side of the headstock. The step bit worked very well...much like a tapered reamer (which I don't own). Many thanks to my friend @Scotty for the bit and for all of his support and encouragement via PMs.

A few gentle passes of the rat tail file were need to remove the final 0.0001457" of the internal circumference as the fit of the 3/8" hole was just too tight for my liking.

The last item was the wax. A tiny amount just to make the tuner slide in with ease. Probably not needed.

I hear someone giggling.
Hey, this worked and it was virtually a stress-free approach for the guitar and for me.
 

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Discussion Starter · #4 ·
Good tip putting the step bit into the tap handle. Thanks.
This post made starting the thread totally worth it.
I totally realize the thread isn't all that exciting/amazing. However, I'm pleased if at least one person benefits

I have a tapered reamer, and it is every bit as invaluable a tool as a step bit, I have to say. Invest in one.
I can imagine how often you might use a tapered reamer with all the effects enclosures alone.
 

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Cool - old school. I like it. :cool:

I thinks Greco maybe pulling our leg regarding "the final 0.0001457" though...:rolleyes:
 
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