[TheForge] Cutting sheet metal

[Jeff Harding]

>     Hi Guys;
>
>    I need to cut some holes in the side of a metal building for a
> couple of air conditioners, the metal is fairly heavy, I usually use
> an abrasive blade in a circular saw, or a plywood blade backwards.
> BUT... this time it has insulation in a wall cavity under it, not
the
> place for sparks.  Saber saw works...sort of, as long as you can
keep
> some tension on the metal.
>
>    Are there any tools for a mill or anything I could put in my old
> router and use it like a side cutting bit?  I've seen the little
side
> cutting bits for the "rotary saws", but they stop recommending steel
> at 18 ga.   this measures 0.02 , whatever ga. that is...
>
>   Any suggestions before I go buy half a dozen saber saw blades?
>
>    Thanks.
>
>    Jeff   ><>