If possible choose a saw blade that creates narrow kerfs the notch or slot made by the saw.
Picking a jig saw for cutting aluminum sheet thin.
Mild steel no iron pipe and sheet metal up to 10 gauge thick photo 6.
Use a 24 toothed blade or greater to cut through aluminum.
With the proper blade jigsaws can cut through wood with embedded nails 1 8 in.
Metal cutting blade this type of blade has smaller teeth separated by sturdy slots.
Both have pros and cons.
Select a fine toothed blade and don t cut aluminum with a wall thickness of more than 1 4 inch 0 64 cm.
Use a wood cutting saw with carbide tipped blades to cut most aluminum.
The jig saw can make tighter turns.
I actually find that i can usually get a straighter cut on thin plate with a jig saw.
The more teeth on the blade the smoother the cut will be.
You can t cut through thick blocks of metal with this one however.
Install a metal cutting blade into a jigsaw.
Auto hobbyists and handypersons sometimes have the need to cut aluminum sheeting and don t always have the luxury of going to a metalworking shop to take care of it.
It is ideal for thinner sheets up to 11 gauge.
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.
Blade manufacturingmakes a hss blade with 200 teethfor cutting really thin aluminum say window screen track but for most material being cut a carbide blade with 8 teeth per diameter inch will do well 10 x 80 tooth is a good example.
How to cut thin aluminum.
There are two main types.
Use blades with 21 to 24 teeth per inch to cut metal.
Depending on how tight the curves are either a recip saw or a jig saw will be the tool for the job.
The recip saw has a longer stroke and more power so it will cut faster.
For cutting sheet metal choose a finer blade with 21 to 24 teeth per inch.
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Types of circular saw blades for cutting aluminum.
How to cut sheet steel using a jigsaw with a metal cutting blade.