How To Cut Duct Sheet Metal

Then grip the saw with both hands and push the blade through the metal to cut it.

How to cut duct sheet metal.

Place the metal on a hard surface to score it and on long pieces do the bending with the score place along a sharp edge of a bench and if necessary clamp the fixed piece with a long piece of flat wood to prevent buckling the metal while bending it back and forth. Start by taping both sides of the sheet metal directly over the line you want to cut and clamp the metal to a work station so it doesn t move. Thick using a ferrous metal cutting blade. Open the cutters as wide as you can at the start of each stroke and make long smooth strokes.

Use the proper cutting tools. Cut metal with your circular saw. At the beginning of each cut it is important to open the tool completely and seat the edge of the sheet metal as deep as possible in the jaws. You can cut mild steel up to about 3 8 in.

Cutting metal requires hand or power tools meant for the job because you can t just use a knife for instance and think you will be able to do the job properly or safely. Align the tool s blade with your pattern line the. Https amzn to 2mkd0sj large screw driver. How to cut into hvac ductwork.

In order to cut metal ductwork you have to use the right tools for the job. In our test it cut through rebar like a hot knife through butter. If you ve hit it hard enough the chisel will cut the sheet metal if it s thin enough. Mark the cut line or area on sheet metal with a felt tip marker.

Https amzn to 2ndf97w the best tin aviation snips. Cut sheet metal ducts with tin snips but match the type to the cut. Long straight cuts are easier to make with large tin snips. Https amzn to 2kstzae sheet metal hammer.

It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool. For thin sheets of metal you can use tin snips to cut through it. Use compound snips with offset handles for more leverage and thinner. Hot metal chips will fly everywhere.

A soft wood backer will allow for the chisel to pass through more easily by providing support for the metal. To cut straight lines use an electric saw. Punch a starter hole in the metal with the blade of a.