Pull your handle again to the 180 degree position to better flatten your double layered portion of metal.
How to build a sheet metal tool chest.
Measure 6 inches from each end and bend the metal 90 degrees using a sheet metal brake.
The sides will be 3 x 3 but we add 1 2 tabs on three sides.
It is easier to cut off a 4 x 12 strip if you have a 12 x 12 sheet first then cut two 3 1 2 pieces from that strip.
Insert your metal into your bar folder up to your marked hem line.
So mark out two 4 x 3 1 2 sections of sheet metal and cut it in the metal shear.
Bend the metal to make the bottom and sides of the toolbox.
If you need to cut dozens of metal studs and tracks quickly use a circular saw fitted with a toothless carborundum metal cutting blade 7 when cutting individual steel studs or tracks with a circular saw cut on the closed or web side and support the piece tightly on sawhorses.
We start the box by making its sides.
A flat version of your box.
To cut individual steel studs and tracks use straight cut aviation snips photo 1.
This will create two 6 inch sides and an 8 inch metal bottom.