[metal] how to embiggen the hole?

[mattkime]

Black wrote:
[quote=iaJim]
They used to use this sort of bit for that on Orange County Chopper.

http://www.mytoolstore.com/klein/59001.html

Those look great, thanks for posting.
Its a success!

Unfortunately I'm still waiting for some parts to arrive, I guess I'll post pics once assembled.