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.
Best way to cut sheet metal straight without power tools.
A handheld cutting tool fitted with a metal cut off wheel will easily cut through sheet.
If you are committed to learning how to cut sheet metal by hand the cheapest solution by far would be using an aviation snip set.
Tin snips have heavy blades that can cut through thin sheets of metal.
A tool like a nibbler is fast and easy to maneuver around to cut circles corners and angles in sheet metal work with out jamming like electric shears or tin snips would.
Note that hand tools are not ideal if you want to cut the metal into small pieces because it can cause the metal to break.
The method you choose to cut sheet metal depends on the thickness of the metal and the type of cut you plan to make.
They are essentially metal cutting scissors that are stronger and more durable than standard scissors.
Chisels are mainly used to remove excess metal and provide more precise shapes.
While cutting sheets with a nibbler you may get precise control over the operation.
Cut a round duct from the right hand side with green handled compound snips.
Use this technique if you re right handed or in tight quarters.
But you have to sacrifice with the cutting depth.
The best tool to cut sheet metal is an electric nibbler tool it cuts corrugated iron sheet metal and even metal car panels easily.
Use chisel to cut metal.
Also referred to as aviator snips these scissor like hand tools cut sheet metal materials up to 18 gauge in thickness accurately without leaving a ragged bent edge as the finished product.
Cut metal with your circular saw.
In our test it cut through rebar like a hot knife through butter.
It may not be an obvious choice but fitted with the right blade a circular saw is a great metal cutting tool.
You can cut mild steel up to about 3 8 in.
Hot metal chips will fly everywhere.
To cut straight lines use an electric saw.
Keep the top blade aligned parallel to the cutting line to cut a straight line around the duct.
Thick using a ferrous metal cutting blade.
