Cutting Sheet Metal Ductwork

Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and.

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. 20 in x 25 in x 16 in duct square to round. 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.

Any tin snips will work for this. Duct work 10 x 4 x 36 long with end cap hvac duct. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting.

The master flow 36 in. Royal metal products 8 x 4 x 4 in. Use for 24 gauge steel and 26 gauge stainless steel. 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. Sheet metal duct pipe fittings. Https amzn to 2kstzae sheet metal hammer. Flange insert box with gasket.

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. 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 2ndf97w the best tin aviation snips. Cut sheet metal ducts with tin snips but match the type to the cut.

There are two ways to cut round ducts. This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390. Https amzn to 2mkd0sj large screw driver. Measurements for inches and centimeters are molded into body.

Dia holes in sheet metal. You ll need a drill sheet metal snips a start collar. Rectangular sheet metal duct. But when you come to the thicker locking seam you ll need the extra leverage of compound snips.

The klein tools hole cutter will cut 2 in. One end will have an end cap and the other end will be raw notched at 1 2 for easy field modification.