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.
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.
These photo steps show that it can be done using a utility knife.
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.
Straight cutting compound snips work best for cutting thick or doubled up sheet metal.
There are two ways to cut round ducts.
Can i do that sort of thing with installed ducting or is there a better way to cut installed duct.
Place the sheet metal on top of the workbench and lay out your pattern using a tape measure pencil and straightedge.
There are many other tools and methods used to cut sheet metal ducts including hole cutters roto zips hole saws and even jigsaws.
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Or use a unit if you have one.
If you use metal shears to cut thin sheet metal such as duct metal it curls and can be difficult to flaten properly.
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.
They don t cut curves well.
Use compound snips with offset handles for more leverage and thinner cutting blades to cut thick seams straight sections and.
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.
Cut sheet metal ducts with tin snips but match the type to the cut.
Keep in mind that the cut edges of sheet metal are very sharp.
Using a chisel and hammer is the most basic form of cutting sheet metal.
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