3/8" hole punch?

[Edu Silva]

WeAreAs1 at aol.com wrote:
> 
> I'm doing some modifications to my mixing board (Yamaha RM2408) and I need to
> make a lot of 3/8" holes (0.375 inches, or 9.5 mm) into which I will mount a
> bunch of 1/4" jacks.  For a few reasons, I would much rather use a chassis
> punch than drill the holes.

<snip>

> If anyone knows of a tool supplier or manufacturer that has what I'm looking
> for, or know of some trails to follow, please let me know.

Not sure, but you can try  http://www.techni-tool.com

Edu Silva
ES2 Audio
http://audiolist.cjb.net