Cutting Sheet Metal Ductwork

There are two ways to cut round ducts.

Cutting sheet metal ductwork. Sheet metal duct pipe fittings. Dia holes in sheet metal. Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting. 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. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct. 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. Https amzn to 2kstzae sheet metal hammer.

But when you come to the thicker locking seam you ll need the extra leverage of compound snips. Use for 24 gauge steel and 26 gauge stainless steel. Then you just sight on the far mark while you make the cut. To see availability for this product personlog in or get online access.

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. Photo 3 shows how to cut through thick metal. The klein tools hole cutter will cut 2 in.

Any tin snips will work for this. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Https amzn to 2mkd0sj large screw driver. Rectangular sheet metal duct.

20 in x 25 in x 16 in duct square to round. This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390. Royal metal products 8 x 4 x 4 in. 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. You ll need a drill sheet metal snips a start collar. Flange insert box with gasket. 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. One end will have an end cap and the other end will be raw notched at 1 2 for easy field modification.