Best Way To Cut Sheet Metal Duct

Simply line up your chisel along the line you are going to cut and strike the back of it with a hammer.

Best way to cut sheet metal duct.

Cut sheet metal ducts with tin snips but match the type to the cut. Straight cutting compound snips work best for cutting thick or doubled up sheet metal. 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. Instead we recommend using a diamond blade that s rated to cut ferrous metal.

Https amzn to 2mkd0sj large screw driver. These photo steps show that it can be done using a utility knife. Can i do that sort of thing with installed ducting or is there a better way to cut installed duct. Https amzn to 2ndf97w the best tin aviation snips.

If you ve hit it hard enough the chisel will cut the sheet metal if it s thin enough. Place the sheet metal on top of the workbench and lay out your pattern using a tape measure pencil and straightedge. There are two ways to cut round ducts. There are many other tools and methods used to cut sheet metal ducts including hole cutters roto zips hole saws and even jigsaws.

But the discs wear down quickly cut slowly and shrink in diameter as you use them. Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and. They don t cut curves well. Tin snips with red colored handles can also cut straight lines and tighter curves to the left.

Or use a unit if you have one. Https amzn to 2kstzae sheet metal hammer. If your project requires curved cuts make an easy economical and adjustable. First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together.

The illustrations are for a small bracket but i have cut 3 foot long pieces using this method. Using a chisel and hammer is the most basic form of cutting sheet metal.