Tips for Sharpening Circular Saw Blades

Since carbide blades cut with its teeth and its sides, you can end up rounding off these edges. So be careful while sharpening.

One way to look out for the dullness of the blade is by examining the cuts themselves. When new cuts are made using a dull blade, they often tend to have rough finishes and take a longer time to complete. The sound of the motor can also be an indicator.

Heat generated while cutting will be excessive in dull blades, and so burned marks may be observed on the cut.

Using oil/ lapping fluid prolongs the life of the sandpaper/ sharpening stick.