This is Rob again, Ray what I'm cutting the hole in is a 55 gallon oil drum
top. Do you think this nail cutting thing would work for that?? Also I do have
a router and could there be any way I could use that??
THANKS ROB
----- Original Message -----
From: Boyce, Ray
To: [email protected]
Sent: Wednesday, June 27, 2007 9:34 PM
Subject: [BlindHandyMan] Cutting Circles in Sheet Metal
Hi Rob
The cheapest form of a circle cutting jig is just a piece of wood with a
hole drilled as the centre point with a screw and nut to lock it in
position and a nail driven through at the desired diameter with the
point of the nail used as a cutting edge.
Just revolve it around until you cut through the metal if it becomes
dull use another sharp nail.
You can get metal cutting blades for a Jig Saw and circle cutting tin
snips also nibblers if you have a compressor.
Also there are things called trammels which have points both ends which
boiler makers use for marking out circles.
But for a one off cut try the wood and nail trick.
What you did not say is how thick this sheet metal is you are trying to
cut.
If it is really thin like sheet copper you could use scissors.
HTH
Ray
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