Continue filing until there is clean metal exposed all over the edge.
How to sharpen sheet metal.
Make an old worn out set of tin snips work like new in under a minute.
If it sticks there are likely metal burrs that need to be removed.
How to do so will vary depending on your model of sheet metal cutting shears.
You will want to hit those spots with the mill file again.
However the work may be done with a set of common metal files.
These operations are usually carried out with automated machinery at manufacturing plants.
Sheet metal is used in products such as roofs and electronics.
This should not take long usually fewer than a dozen strokes.
Still made in the usa.
It shows how we sharpen two sheet metal guillotine shear blades at 3 meters each on our wor.
Many methods may be used to sharpen sheet metal cutting shears some of which require specialized tools.
Step 1 remove the blades from the shears.
Various operations are carried out so that the sheet metal can be morphed into forms that can be used in various products.
This video demonstrates our metal shear blade sharpening service.
Get a full set of usa made wiss snips.