In our test it cut through rebar like a hot knife through butter.
Cutting expanded sheet metal.
Then choose a grinder drill saw or laser tool.
It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.
Hot metal chips will fly everywhere.
There are two ways to cut round ducts.
Wax your saw blade before cutting sheet metal.
Straight cutting compound snips work best for cutting thick or doubled up sheet metal.
Thick using a ferrous metal cutting blade.
You can cut mild steel up to about 3 8 in.
Expanded metal cutting tools.
The following equipment is crucial.
Apply a thin layer of paraffin or saw wax to the blade just enough to cover the surface before making any cuts in the metal.
Consider the size and nature of the expanded metal you need to cut.
How to cut sheet steel using a jigsaw with a metal cutting blade.
The first step toward correctly cutting expanded metal is finding the right tools that will aid the process.
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They don t cut curves well.
First if you want to cut a duct near the middle and use both ends mark and cut the duct before snapping it together.