Pinblock Drilling Centering

[gordon stelter]

I think a much better idea is to geta set of
PianoTeks' centering punches, about 30 sizes in 1/64'
increments, if I remember. Much more precise. I might
sell you mine ( used once,75% of Pianotek's new price,
plus postage from Ga. to Fla..)
     Thump

--- Wimblees@aol.com wrote:
> In a message dated 10/22/02 9:41:12 PM Central
> Daylight Time, 
> mfarrel2@tampabay.rr.com writes:
> 
> > When drilling tuning pin holes in new block in a
> full plate with no plate 
> > bushings, how best to center pin? 
> 
> If you are either drilling the block in the piano,
> or outside the piano, 
> drill a dimple first with a drill bit the same size
> as the tuning pin hole. 
> This will then allow the bit for tuning pin to find
> the center of the hole. 
> By the time the pin "bends" with tension, it will
> not touch the front, nor 
> the back.
> 
> Wim 
> 


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