Cutting Sheet Metal Ductwork

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. You ll need a drill sheet metal snips a start collar. 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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Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and.

Cutting sheet metal ductwork.

Duct work 10 x 4 x 36 long with end cap hvac duct. Then you just sight on the far mark while you make the cut. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. But when you come to the thicker locking seam you ll need the extra leverage of compound snips.

One end will have an end cap and the other end will be raw notched at 1 2 for easy field modification. Measurements for inches and centimeters are molded into body. There are two ways to cut round ducts. Sheet metal duct pipe fittings.

Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting. Https amzn to 2kstzae sheet metal hammer. The klein tools hole cutter will cut 2 in. Photo 3 shows how to cut through thick metal.

Round metal duct pipe galvanized sheet metal duct work 24 metal ducts 16 inch hvac 3 inch rigid pipe. To see availability for this product personlog in or get online access. The master flow 36 in. In this video we show you the best and safest way to cut a round hole into a can or rectangular duct.

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. Use for 24 gauge steel and 26 gauge stainless steel. 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.

51 mm to 305 mm holes in up to 24 gauge steel and 26 gauge stainless steel. Flat metal is easier to cut than curved so he uses his knee to support and flatten the pipe while he opens it up. Https amzn to 2mkd0sj large screw driver. Cut sheet metal ducts with tin snips but match the type to the cut.

Https amzn to 2ndf97w the best tin aviation snips. Rectangular sheet metal duct. Dia holes in sheet metal. Royal metal products 8 x 4 x 4 in.

Any tin snips will work for this. Flange insert box with gasket.

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