First things first if you re going to cut any sort of metal using a jigsaw you need to make sure you re using the correct blade.
Cutting thin sheet metal with jigsaw.
To avoid shredding sheet metal or raising a lot of edge burrs tightly sandwich the metal between two layers of thin plywood.
For pattern cutting drill blade starter holes instead of making plunge cuts.
This isn t hard to do and we ve produced a guide to choosing the correct type of jigsaw blade.
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For cutting sheet metal choose a finer blade with 21 to 24 teeth per inch.
To reduce the heat buildup you need to use the proper jigsaw blade with minimal pressure and set your jigsaw to a slow cutting speed.
The cut can produce enough heat to melt the teeth from the edge of a jigsaw blade.
I also clamp the metal down whenever possible to stop it rattling up and down and use a medium speed at first but speed up as much as possible provided the tool is cutting well and the blade isn t trying to.
Have extra blades on hand because cutting solid heavy metal tends to wear blades out a lot faster than thin sheets.
Stainless steel builds up heat quickly when you are cutting.
How to cut metal with a jigsaw is mainly down to the correct choice of machine and your choice of blade.
With a quality jigsaw and a few metal cutting blades you can easily expand the versatility of this great power tool allowing it to replace the use of circular.
When cutting sheet metal or pipes with a jigsaw i have found bosch hss jigsaw blades to be the best combination of value and performance.
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Some of the most common cutting tools are metal shears circular metal saws or even a cutting torch depending on the thickness of the sheet metal but the most recommended cutting tool for sheet metal is a jigsaw.
Sheet metal is made of stainless steel galvanized iron or aluminum and you can cut sheet metal manually using different kinds of tools.