On Fri, 07 Apr 2006 09:27:48 +1000, Peter Jason wrote:

Need a 9" dia hole in a 20# sheet metal
surround of a boiler.

The hole must be neat and cut in situ.


A makeshift trammel bar of wood (1 x 2" for ex.) with a tool steel cutter
should do fine with that thin guage--pivoting on a small bolt.

Or a saber saw, with a circle-cutting guide and a toothless blade, the
kind with carbide grit available at most hardware stores.

Ken Grunke


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