Tuning pin drilling? followup

[Ron Nossaman]

> A .272" bit seems large for a Delignit block. A .257" (F) bit is what I 
> usually use
> in a drill press, I found that even a .261 (G) bit was too loose.
> 
> Generally .010 smaller than the pin was for Falconwood blocks.

I used 0.268 (6.8mm), and got a real tight fit, where with 
0.266 (17/64) I've twisted pins off. If the bit hasn't been 
freehand sharpened, the difference is in the drilling method.
Ron N