Simply line up your chisel along the line you are going to cut and strike the back of it with a hammer.
Cutting sheet metal with air hammer.
Panel shaper bit kit by steck.
One of the pneumatic nibblers worth considering is the astro pneumatic 727.
If electric powered nibblers won t work for your project you re going to want to consider using compressed air.
Do not force it to cut faster as that will overheat the tool and the metal.
It works on up to 17 gauge cold rolled steel and will easily cut through sheet metal without deforming the edges.
Best air metal nibbler.
This is not designed to be a panel cutter.
While cutting slowly slice along a marked off line with the cut off wheel letting the air tool do the work.
Make precise distortion free cuts in 14 gauge aluminum or sheet metal as thick as 16 gauge with this high speed cutter.
The panel shaper is an air hammer driven set of three self lubricating nylon reinforced heads that allow the technician to easily access deep reach areas and badly deformed sheet metal surfaces to form.
It s many uses also includes cutting off rusty bolts and muffler clamps.
Precise distortion free cuts in sheet metal as thick as 16 gauge.
A soft wood backer will allow for the chisel to pass through more easily by providing support for the metal.
This tool has the exclusive oldforge curl cut.