How To Sharpen Table Saw Blades?

How To Sharpen Table Saw Blades

If you have a table saw at home then you already know that it is one of the most expensive tools. Therefore, whenever you are cutting through material more than usual, then you must sharpen its blade. It is crucial to sharpen the table saw blades as soon as it starts showing signs of dullness. If you fail to do it on time, it may cause permanent damage to the blade, which means you would have to replace it with a new one.

Therefore, if you don’t know how to sharpen your table saw blades? Then you are on the right page with me. In this article, you will find all the easy steps you need to sharpen your table saw blades without any inconvenience. This way you won’t be able to spend money to buy another table saw. Without further ado, let’s begin with this guide that will benefit both your wallet and the environment!

How To Sharpen Table Saw Blades?

Step 1: Prepare The Tools

Before sharpening the table saw blades, you must prepare all the tools required to conduct these steps.

Prepare The Tools

The tools need to sharpen the table saw blade are, a flat file, a triangular file, a set of pliers, a brace screw, and a ring spanner. With the help of these tools, you will perform the task easily.

Step 2: Take Safety Measure

In the upcoming step, you must take the necessary safety precautions before you start sharpening your table saw. Always choose a safe surface to start your work. Remove the blade from the saw and then proceed towards the sharpening.

Hence, you must wear goggles and a face mask to protect yourself from metal shaving. This shaving might get into your eyes and cause blindness. Moreover, wear gloves to protect your hand and earmuffs to ease the noise.

Step 3: Start Sharpening

Take all your tools out and begin with sharpening your table saw blades. All you have to do is clamp the table saw first. Now, take your sharpening file and start sharpening the blades slowly. It can be an onerous task and must not be rushed. Once you are done with the sharpening file now, take the simple flat file and start dressing the table saw blades.

Start Sharpening

With the help of this dressing, the table saw blades are all brought to the same level so that they form an even line. Rub over the tips of the teeth on the blade until they have the same length. Later, take the triangular file and start sharpening the teeth of the blades until the flat surface is removed.

Hence, when you are finished with sharpening the teeth, then you must check if they are pointing towards a single direction. If not, then you will use the set of special pliers to make the teeth on the blades even and adverting in one direction. Once you are done with the teeth, now you must proceed towards sharpening the area between the tooth gaps. Therefore, you need the triangular file again, without applying a lot of pressure file each tooth to ensure consistency.

Step 4: Lubrication

To keep your table saw free of rust, you need to follow this step after sharpening and also after every use. Therefore, you must take lubricating oil and with the help of cotton or paper, press a small amount over the entire table saw blade. Once you have completed the lubrication, install the blade back into the saw.


Step 5: Evaluate The Sharpened Blade

The final step is to use the sharpened blade on a piece of wood to test the sharpness of the blade. Hence, you will be able to find whether it’s working properly or not. Therefore, if the blade is not sharpened the way you want, redo the previous steps until you are satisfied with the results. Moreover never apply pressure on the blade because they might break with a lot of coercion.

Signs Of Dull Blade

  • When blades rotate slowly
  • Blemishes on the blade
  • Discoloration of the blades
  • Powerful vibrations
  • Very abnormal or unusual noise
  • Edges become rough
  • Resistance occurs while cutting
  • Formations of splinter


What should we do with an old table saw blade?

There are two things you can do with an old table saw blade. Firstly, try to sharpen the blade so that it gives you the required cutting. You can easily sharpen the table saw blades at home by using triangular and flat files. Besides that, if the blade is completely rusted and very old then you must discard it and get a new blade for your saw.

How do you paint the old table saw blade?

After you are done with sharpening your table saw blade, clean it and apply a layer of paint primer. This will ensure better adhesion of paint on the surface of the saw blade and also protect your blade. Furthermore, let it dry and you will notice the old saw looking all new again with the paints.

Why is it necessary to sharpen the table saw blades?

If you want to protect the table saw from rusting and irreplaceable damage then you must sharpen your table saw blades. Once your blade shows signs of dullness you must take out all required tools and start sharpening it. Furthermore, lubricate it after sharpening and it is all ready and new to use. But, if you leave it like this then, you will spend money to replace it with a new one.

Final Analysis

Sharpening table saw blades is easy, all it requires is proper handling and tools. As you could see in the article, the steps are not difficult at all. Furthermore, these steps will allow you to proceed with all the cutting that you had to do, while the saw was blunt. Therefore, remember to be careful when sharpening the blade. Wear all the safety gear and then continue with the process.

The main purpose of writing this article was to ensure that you properly sharpen your table saw blades. Hence follow all the steps and save benefit both your notecase and environment. I hope you find this article helpful and you will be able to sharpen your table saw blade yourself without anyone’s help. Go and grab all your files and start sharpening your saw!

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