Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and.
Cutting sheet metal ductwork.
Use for 24 gauge steel and 26 gauge stainless steel.
There are two ways to cut round ducts.
Sheet metal duct pipe fittings.
Royal metal products 8 x 4 x 4 in.
Duct work 10 x 4 x 36 long with end cap hvac duct.
Cut sheet metal ducts with tin snips but match the type to the cut.
You ll need a drill sheet metal snips a start collar.
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But when you come to the thicker locking seam you ll need the extra leverage of compound snips.
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In this video we show you the best and safest way to cut a round hole into a can or rectangular duct.
Dia holes in sheet metal.
20 in x 25 in x 16 in duct square to round.
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.
Measurements for inches and centimeters are molded into body.
Flange insert box with gasket.
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.
Rectangular sheet metal duct.
The klein tools hole cutter will cut 2 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.
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The master flow 36 in.
Flat metal is easier to cut than curved so he uses his knee to support and flatten the pipe while he opens it up.
This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390.
51 mm to 305 mm holes in up to 24 gauge steel and 26 gauge stainless steel.
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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.
Any tin snips will work for this.
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.