Circle Cutting Tool
#1
Member
Thread Starter
Circle Cutting Tool
I need to cut holes for round duct take-offs into the main truck coming from my furnace. I'm told there is a tool that attaches to a drill that will quickly cut a perfect round hole in duct work. Does this tool have name? Where can it be purchased? Thanks!
#3
Member
If you have metal duct, this is probably what you are looking for: HC1 - Malco HC1 - 2 to 12" Hole Dia. Hole Cutter (Gold Standard)
They make a similar tool for fiberglass duct.
Kind of expensive if you only need a couple of holes. I'd just drill a starter hole and use curved aviation snips.
Or you can use a metal nibbler; slow but cheap.
They make a similar tool for fiberglass duct.
Kind of expensive if you only need a couple of holes. I'd just drill a starter hole and use curved aviation snips.
Or you can use a metal nibbler; slow but cheap.
#4
That's a pretty cool hole saw but I don't trust any hole saw in metal ductwork. I've seen a few "accidents" from a stuck bit. Drill a starter hole and use red or green curved snips like Carbide mentioned. Far safer.