Any tin snips will work for this.
Cutting sheet metal ductwork.
Use for 24 gauge steel and 26 gauge stainless steel.
There are two ways to cut round ducts.
Rectangular sheet metal duct.
One end will have an end cap and the other end will be raw notched at 1 2 for easy field modification.
Photo 3 shows how to cut through thick metal.
You ll need a drill sheet metal snips a start collar.
Flange insert box with gasket.
Sheet metal duct pipe fittings.
Be sure to wear thick heavy work gloves to protect your hands from the sharp edges of both the ductwork and the cutting tools themselves.
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Cutting anything especially metal ductwork can be a dangerous task as the edges of sheet metal are extremely sharp even before you start to cut it.
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Flat metal is easier to cut than curved so he uses his knee to support and flatten the pipe while he opens it up.
The klein tools hole cutter will cut 2 in.
Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting.
In this video we show you the best and safest way to cut a round hole into a can or rectangular duct.
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The master flow 36 in.
First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together.
Royal metal products 8 x 4 x 4 in.
Then you just sight on the far mark while you make the cut.
Make two marks for cutting when replacing ductwork when cutting pipe bob likes to mark the size he needs on each side of the open seam with a marker.
But when you come to the thicker locking seam you ll need the extra leverage of compound snips.
Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and.
This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390.
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Round metal duct pipe galvanized sheet metal duct work 24 metal ducts 16 inch hvac 3 inch rigid pipe.
Dia holes in sheet metal.
Duct work 10 x 4 x 36 long with end cap hvac duct.
20 in x 25 in x 16 in duct square to round.