How to Sharpen Table Saw Blades?

How to Sharpen Table Saw Blades

A table saw is vital woodworking machinery. Its speed, accurate cuts, versatility, and easy to use make it popular among contractors and those working at home. After using it for some time, your table saw blade gets dull. When cutting through the materials, you will experience resistance. As you cut, the blade will produce sharp and shrill noise. The edge of the material you cut, it will have splinters. If you see these signs, don’t think of replacing the table saw. It’s expensive, so the best option is to sharpen the table saw blade.

Benefits of sharpening

  • Note that, if you fail to sharpen your saw blade for long, it may get permanent damage. That means you will have to replace it. If you sharpen, the blades will last longer, saving you the cost of replacing.
  • Instead of splinters at the edges, the materials you cut, sharpening will maintain the quality of your cut.
  • The dull saw blades increase the load on you mortal. If you sharpen it, the performance of your mortal will improve.

How Do You Sharpen?

Before sharpening, know the materials your table saw blade is made of. Some manufacturers make the blades using stainless steel while others use carbide. Read the manual carefully before sharpening your table saw blades. After reading, follow these steps.

Take Safety Into Consideration

Safety should be the priority before sharpening your blades. You don’t want to get injured or sparkles getting in your eyes. So, get sturdy gloves and goggles. You also require earphones to protect you from the excess noise when sharpening. Unplug your table saw from the wall socket.

Remove The Blade

Start by removing the blade from the saw. If you try to sharpen before removing it, the blade may move and injure you. You can remove it by pressing the blade release switch, or you can loosen the arbor nut depending on the type of the table saw. After removing the blade, replace it with the diamond blade. You can secure the diamond blade with a blade switch, or you can tighten it using nuts.

Sharpening The Teeth

You can consider marking the teeth before you start sharpening. Plug the saw and switch on. Once the diamond blade starts rotating, put the tooth near your diamond blade. Once it touches it briefly, pull it back. Repeat the process using other teeth each at a time. The inner side of your blade should get into contact with the diamond blade. If you don’t have a diamond blade, you can use a sharpening file to sharpen your table saw blades.

The process can take longer and might be tiresome. If you decide to look for a sharpening service, visit your local metal shop and bargain.

Lubricate You Blade

After the lengthy process, you wouldn’t like to repeat it any time soon. Lubrication will not only prevent your blade from getting dull but will also protect it from getting rust. When lubricating your blade using oil, don’t forget the edges of your blade.

Remove the Diamond Blade

Remove the diamond blade and clean it. You can store it before cleaning since the small metal particles and dust can cause rust. Install the new blade and test if it’s sharp by cutting through any material. If you experience resistance, repeat the process.


Note that this method is not suitable with old table saws with curved edges. That means you will have to replace your blade once it gets dull. Knowing how to change a table saw blade is vital since replacing it becomes easy. Here are simple steps

  • Unplug the table saw- Safety is vital when handling the table saw. It can injure you severely. To avoid that, turn off the saw and unplug it from the socket. Give it time before you start removing it.
  • Remove the blade- Read the manual to know how to remove the blade. Depending on your machine, your blade may be below the surface of your machine. You require a screwdriver to loosen the screws that secure the blade plate. Remove the blade plate and use a small piece of wood to protect your blade from turning. Use a wrench to remove the arbor nuts that hold the blade. Unscrew the loose nuts slowly and remove your blade.
  • Install the new blade-You require a new blade, new arbor nuts, and washers. After placing your new blade on the arbor, tighten the nuts. Return your blade place in its position and secure it with screws.
  • Install the power- you can plug in the table saw in the socket, turn it on, and test your table saw.

Once your table saw gets dirty, it will not work effectively. That’s why you require knowing how to clean the table saw blade. Maybe your blade is dirty due to the sawdust or even the sap. Follow these steps to clean it.

  • Gather the materials-Some of the items you require include; water, laundry detergent, and a soft wire bristle brush. Don’t forget an aluminum pan.
  • Remove the blade- for safety reason; unplug your saw first before removing the blade. Use the steps above to remove the blade. Put it in your aluminum pan and add water and detergent.
  • Stir the detergent-After stirring the detergent, leave your metal for 5-10 minutes.
  • Scrub it-If you have a plastic or even soft wire bristle brush, use it to scrub the table saw.
  • Dry your blade-Water causes rust on your blade if you fail to dry it. So after drying it thoroughly, reinstall it and enjoy cutting materials.


Sharpening your blades will not only guarantee your safety but will also ensure that it performs optimally. You also save money since if you leave it for long, you might have to replace it. You require either a diamond blade or a sharpening file to sharpen your blades. You can also look for sharpening services. Remember, safety is essential when sharpening or even cleaning your table saw. Never attempt to wash or sharpen your power tool while still plugged in the power source.

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