MOTM

--- In motm@yahoogroups.com, "mate_stubb <mate_stubb@y...>" 
<mate_stubb@y...> wrote:
> I'm probably too anal about it, but when I drill panels for folks I 
> start with a center punch, then progress up through 5 bit sizes to 
> keep the amount of metal being removed at any one time to a 
minimum. 
> That way I don't have to tape the front.
> 
> When drilling MiniWave LED rows, I cheat - I had a steel template 
> made that I can just clamp over the panel to ensure that the holes 
> are lined up.
> 
> Moe

If you want a good center punch check out this cool product:

http://www.ezlok.com/center.htm

You pop in a magnification lens with crosshairs. Line it up with your 
center. Pull out the lens, slide in the punch which shares the same 
centerline as the crosshairs and give it a tap with a hammer.

Unfortunately since I work in a metrology lab my standards of anal go 
well beyond .002" though. 

Peter