Selection of the proper drill bit for any pin block

[phil frankenberg]

Joe
You say "consult the chart for proper torque required". What chart is this?
Thanks.

Phil Frankenberg
Chico Ca.

----- Original Message -----
From: "Joseph Garrett" <joegarrett@earthlink.net>
To: <pianotech@ptg.org>
Sent: Monday, May 06, 2002 2:19 AM
Subject: Selection of the proper drill bit for any pin block


> All,
> There is always some scrap left over after cutting the block to dimension.
> Use that to drill various holes with various drill bits. Be sure to be
VERY
> exact in your procedure, ie drill each different bit hole the same. Same
> amount of cooling, same amount of plunge speed, etc. That's a must. If you
> are using pin driving fluid, then use it on each sample. Then drive the
> pins, (making sure they are all the EXACT same size), and get out your
> trusty torque wrench, calibrated in INCH POUNDS. Consult the chart for
> proper torque required and go with the best one. Not really rocket
science,
> but it works for me. I should say that I have found each block to be just
> slightly different, hence a different bit for each one. Also, make darned
> sure the bit is sharp!
> Best Regards,
> Joe Garrett, RPT, (Oregon)
>