And in most consoles the tuning pins are packed in so tightly around the existing holes that you have to grind off half the head of a carriage bolt to make it fit. I use 5/16 stove bolts (flat head, slotted, countersunk), available in boxes of 100 from boltdepot.com . Mike > [Original Message] > From: Bob Hull <hullfam5 at yahoo.com> > To: <pianotech at ptg.org> > Date: 8/24/2006 10:08:43 PM > Subject: RE: Drilling plate > There are > pianos whose tuning pin field will not permit bolts, > so using existing screw holes would be the method for > that scenario. > > > Bob Hull >
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