Cutting aluminum sheet metal with a hammer and chisel is relatively straight forward line up the edge of the chisel along the line you wish to cut and strike the chisel with a hammer.
How to cut aluminum sheet metal straight.
It s the same material ducts are made of and is commonly sold in large flat sheets in 18 to 28 gauge thicknesses you can also find sheet metal in aluminum or even copper and brass and they all can be cut using the same tools and techniques.
Siding contractors and roofers routinely score and snap aluminum siding and flashing to create straight precise cuts.
And you can use the same technique anytime you need a straight cut on aluminum or other light gauge sheet metal even steel.
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Malco m14a 14 inch straight cut aluminum snip.
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The method you choose to cut sheet metal depends on the thickness of the metal and the type of cut you plan to make.
Standard sheet metal is thin galvanized steel.
To cut straight lines use an electric saw.
With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet.
Place the fracture line over the edge of a table and bend the overhang slightly downwards.
This weakens the aluminium and creates a fracture line.
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If your project requires curved cuts make an easy economical and.
Step 3 place the sheet metal on top of the workbench and lay out your pattern using a tape measure pencil and straightedge.
Using a softer piece of material such as wood as a backer will allow the chisel to push through the metal and prevent wear on the chisel s tip.