Best Way To Cut Sheet Metal Duct

An angle grinder fitted with an abrasive metal cutting disc works well to cut all kinds of metal including bolts angle iron rebar and even sheet metal.

Best way to cut sheet metal duct.

Straight cutting compound snips work best for cutting thick or doubled up sheet metal. These photo steps show that it can be done using a utility knife. There are two ways to cut round ducts. If your project requires curved cuts make an easy economical and adjustable.

If you ve hit it hard enough the chisel will cut the sheet metal if it s thin enough. Tin snips with red colored handles can also cut straight lines and tighter curves to the left. Instead we recommend using a diamond blade that s rated to cut ferrous metal. There are many other tools and methods used to cut sheet metal ducts including hole cutters roto zips hole saws and even jigsaws.

My question is that i was watching one of your videos on cutting the sheet metal and you suggested punching a hold with a screwdriver. Https amzn to 2ndf97w the best tin aviation snips. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together. They don t cut curves well.

Keep in mind that the cut edges of sheet metal are very sharp. Place the sheet metal on top of the workbench and lay out your pattern using a tape measure pencil and straightedge. Https amzn to 2mkd0sj large screw driver. Https amzn to 2kstzae sheet metal hammer.

The illustrations are for a small bracket but i have cut 3 foot long pieces using this method. Or use a unit if you have one. But the discs wear down quickly cut slowly and shrink in diameter as you use them. Using a chisel and hammer is the most basic form of cutting sheet metal.

Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and. Can i do that sort of thing with installed ducting or is there a better way to cut installed duct.