Then grip the saw with both hands and push the blade through the metal to cut it.
Cut through thin aluminum sheet.
If possible choose a saw blade that creates narrow kerfs the notch or slot made by the saw.
Use a wood cutting saw with carbide tipped blades to cut most aluminum.
How to cut thin sheet metal and keep it flat.
Tired of getting fingers cut on sheet metal while using tin snips.
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.
Cutting thin aluminum should require no more than a few basic tools and is therefore a task that can be easily tackled either on the spot or from any reasonably well equipped garage.
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.
These photo steps show that it can be done using a utility knife.
The illustrations are for a small bracket but i have cut 3 foot.
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.
Check out this video.
To cut straight lines use an electric saw.