Select a fine toothed blade and don t cut aluminum with a wall thickness of more than 1 4 inch 0 64 cm.
How to cut 1 4 inch aluminum sheet.
Use a wood cutting saw with carbide tipped blades to cut most aluminum.
For material thicker than 1 4 inch use a blade with 6 teeth per diameter inch 10 x 60 teeth or 12 x 72 tooth.
In response to a question about h.
For thin sheets of metal you can use tin snips to cut through it.
If possible choose a saw blade that creates narrow kerfs the notch or slot made by the saw.
To cut straight lines use an electric saw.
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.
Then grip the saw with both hands and push the blade through the metal to cut it.
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.
Set up a sturdy stable workbench capable of supporting the size of sheet metal you intend to cut.
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.
Free shipping on many items.
Typically a 4 foot by 8 foot sheet of plywood or similar material supported by two sawhorses.