How to sharpen saw blades & jigs

Written by courtney vermaas
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How to sharpen saw blades & jigs
Save money by sharpening your saw blades. (saw image by Stanislav Pepeliaev from

Having the ability to sharpen your own saw and jigsaw blades can save you time and money by postponing the purchase of new blades. To keep your blades cutting efficiently, you'll want to focus on sharpening the teeth.

Skill level:

Things you need

  • Flat File
  • Vice
  • Saw File

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  1. 1

    Trim the teeth of the blade with a flat file so they all become the same height. Position the saw in a vice with a firm grip near the teeth for stability.

  2. 2

    Shape the teeth using a saw file. Each tooth should get an equal amount of file strokes for consistency. Repeat until the teeth are all the same shape.

  3. 3

    Sharpen the teeth by passing a saw file horizontally through the gaps of the teeth, just above the base of the blade. Refer to your saw owner's manual to determine the diameter of the saw file needed. A rip cut saw blade requires a right or 90-degree angle. A cross cut saw blade requires a 60-degree angle.

Tips and warnings

  • Saws manufactured with hardened teeth cannot be sharpened in this manner, as the teeth are as hard as the files used above. Sharpening hardened teeth requires the use of a diamond file rather than a saw file.

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