Thanks David, I had my head up my wazoo. Bosendorfer and Vose & Sons drilled tapered holes in the blocks, they didn't have tapered tuning pins. I'm glad someone was awake here. William R. Monroe > "at the same time the pin is tapered and a thicker portion of the pin has > moved into a different part of the hole along it's entire length". > > I wasn't aware of tuning pins as being tapered. Of course the *square* is > tapered, but surely the threaded part which goes into the pinblock, is > parallel?............ > Best, > > David.
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