That's pretty much what I did. I drilled a hole from underneath, then used it as the pilot hole for the center point of the forstner bit. A right hand drill comes in pretty handy in the action cavity... :-) Regards, Rob McCall McCall Piano Service, LLC www.mccallpiano.com Murrieta, CA 951-698-1875 On Dec 20, 2012, at 06:25 , Ken and Pat Gerler <kenneth.gerler at prodigy.net> wrote: > I did the same thing by taking a 1” spade bit and putting a cutting edge on the non-business end. after drilling a hole from the bottom of the key bed to accept the shaft of the bit, dropped it down from the inside, hook it into my drill and counter sunk the whole for the “T” nut. > > Ken Gerler > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://www.moypiano.com/ptg/pianotech.php/attachments/20121220/0bb359c9/attachment.htm>
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