[pianotech] pinblock drilling clamp

[Ron Nossaman]

Mike Spalding wrote:
> Ron,
> 
> OK, that fits with what I've experienced.  My second pass drill is a 
> conventional F jobbers bit, but I want to use a brad point for first 
> pass; it's easier to align with the transfer punch marks.  I'll look for 
> a 6mm brad point.  

Or a B, or even C. Fullers has them.
http://www.wlfuller.com/html/regular_length_brad.html

>I believe you've commented in the past that your 
> second pass drill bit has been in use for many blocks, dulling does not 
> seem to be an issue.  

It doesn't seem to be, probably because it's just a reaming pass.


>Did you find that initial sharpness of the new bit 
> was detrimental - is there any advantage to dulling the tip of a new bit?

It was too long ago for me, but others have reported no 
problem with new bits.

Ron N