Cutting Sheet Metal Ductwork

Flange insert box with gasket.
Cutting sheet metal ductwork. Royal metal products 8 x 4 x 4 in. Dia holes in sheet metal. Then you just sight on the far mark while you make the cut. 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. 20 in x 25 in x 16 in duct square to round. 51 mm to 305 mm holes in up to 24 gauge steel and 26 gauge stainless steel. Round metal duct pipe galvanized sheet metal duct work 24 metal ducts 16 inch hvac 3 inch rigid pipe.
This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390. Photo 3 shows how to cut through thick metal. The klein tools hole cutter will cut 2 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.
Measurements for inches and centimeters are molded into body. Duct work 10 x 4 x 36 long with end cap hvac duct. Https amzn to 2ndf97w the best tin aviation snips. Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and.
First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. You ll need a drill sheet metal snips a start collar. Any tin snips will work for this. 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.
Use for 24 gauge steel and 26 gauge stainless steel. 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. To see availability for this product personlog in or get online access. There are two ways to cut round ducts.
In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. The master flow 36 in. Cut sheet metal ducts with tin snips but match the type to the cut. Https amzn to 2kstzae sheet metal hammer.
Https amzn to 2mkd0sj large screw driver. But when you come to the thicker locking seam you ll need the extra leverage of compound snips.