Are you ready to unlock the full potential of your Festool Kapex 120 miter saw? Changing the blade is a crucial maintenance task that ensures precision and safety in your projects.
In short, here is How to Change the Blade on a Festool Kapex 120:
- Step 1: Preparing for Blade Change: Safety first! We’ll guide you through the necessary precautions to ensure a smooth and accident-free process.
- Step 2: Removing the Old Blade: Discover how to navigate the inner workings of your Festool Kapex 120, saying farewell to the worn-out blade with grace and finesse.
- Step 3: Installing the New Blade: It’s time to embrace the freshness of a sharp blade. We’ll walk you through the proper alignment and tightening techniques for optimal performance.
In this guide, I’ll show you step by step how to replace the blade effortlessly, whether you’re a seasoned craftsman or a passionate beginner. Let’s dive in and elevate your workshop experience by mastering this essential skill!
Key Takeaways
– Safety First: Always prioritize safety by unplugging the saw and wearing protective gear before changing the blade. This simple step prevents accidents and ensures a smooth blade replacement process.
– Essential Tools: Gather all necessary tools, including Allen wrenches and lubricant, before starting the blade change. Having everything ready beforehand makes the process quicker and more efficient.
– Correct Blade Installation: Ensure the new blade is oriented correctly, with the teeth facing downward. Proper alignment guarantees optimal cutting performance and prevents damage to the saw.
– Test for Precision: After installing the new blade, perform a test cut on scrap wood to check for smoothness and accuracy. This step ensures that the blade is properly installed and ready for precise cutting tasks.
– Regular Maintenance: Regularly changing the blade maintains the saw’s performance and safety. A sharp blade reduces strain on the motor and produces cleaner cuts, enhancing the overall woodworking experience.
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How To Change The Blade On A Festool Kapex 120 – Easy Guide
Your Path Through My Website
ake your time with this guide. When you’re ready to explore more, you can check out my sub-subcategory Miter Saw for a broader look at related topics, dive into my subcategory Power Tools for even more context and connections, or explore my category Woodworking Tools, Materials & Tips for an overview of everything in this area. But for now, let’s get started with the topic at hand!
Table of Contents
The Importance of Changing Your Blade Regularly for Optimal Performance

One of the key components of any miter saw is its blade. Over time, blades can become dull or damaged from regular use.
When this happens, it can affect the quality of your cuts and even create safety hazards. To ensure optimal performance from your Festool Kapex ks 120 REB miter saw, it’s important to change your blade regularly.
For better results and less wear on the saw’s motor, use a sharp blade when cutting different materials like plywood or hardwood.
How to Change the Blade on a Festool Kapex 120
Preparing for Blade Change
Safety Precautions
When replacing the blade on a Festool Kapex 120 miter saw, unplug it from the power source to ensure safety.
Subsequently, don protective eyewear and gloves to safeguard yourself from any hazardous debris or jagged edges. Secure the saw in place to prevent any movement during the blade change.
Gather Necessary Tools
To change the blade on a Festool Kapex ks 120 REB saw, you will need a few tools.
To begin, you will require Allen wrenches in multiple sizes to unbolt and fasten the blade securely. Typically, these wrenches are included with your saw when purchased.
Secondly, you might need some lubricant to loosen the bolt.
It’s essential to have the necessary tools before starting work on a saw, and it is good practice to also carry a screwdriver for potential adjustments or repairs.
Removing the Old Blade
Locate blade locking pin and lock the blade

The blade locking pin is a small green knob located on the side of the Festool Kapex miter saw. Its purpose is to stabilize the blade while you work on other facets of the saw.
Just turn over that know and the blade will be locked in place.
Use Allen wrench to loosen bolt holding blade in place


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Using an Allen wrench, turn the bolt at the center of saw’s arbor counterclockwise until it is loose enough to remove by hand.
Remove old blade carefully, taking note of its orientation

After loosening and removing the bolt, gently lift off with two hands. When doing this hold the protective cover up with one hand, so you can easily remove the blade. Take a moment to note which way it is facing as this may affect cutting accuracy and directional indicators printed on its sides.
With these simple steps completed successfully, congratulations! You have successfully removed an old Festool Kapex 120 Blade!
Installing the New Blade
Insert new blade, making sure it is oriented correctly
Once the outdated blade has been detached, it is time to fit the new one. Before inserting the new blade, take note of its orientation.
Most kapex blades have arrows on them indicating which direction they should be installed. Ensure that the teeth on the blade are facing downwards towards the table of the saw.
The Festool Kapex 120 miter saws have an arbor design enabling quick and accurate blade changes without additional tools.
Easily insert a new blade by sliding it onto the arbor and rotating until it audibly clicks into position. Be sure to align any holes in the blade with corresponding holes in the flange before tightening down.
When it comes to choosing blades, my suggestion is to stay away from universal blades and use the original blade. You will pay some extra in some cases, but the results will always be accurate and perfect.
Tighten bolt using Allen wrench
Utilize an Allen wrench to firmly, but not excessively tighten the bolt holding in a new blade after inserting and aligning it.
It is important to note that some blades may require additional washers or spacers between them and flange for proper fitment. Consult with your owner’s manual or manufacturer for specific instructions regarding this step.
Now all you have to do is turn the green knob to lock the blad in place back to it’s original position to release the blade.
By following these simple steps, you can change the blade on your Festool Kapex 120 miter saw quickly and safely. When working with this tool, always ensure that the appropriate safety measures are taken and that they are operated with care.
How to Change the Blade on a Festool Kapex 120 – Testing the New Blade
After successfully changing the blade on your Festool Kapex 120, the next step is to test it to ensure that it is working properly. Testing the new blade will give you an idea of its performance and whether it needs further adjustments.
To carry out this task, connect your saw to a power source and switch it on. Once your saw is running, make a test cut on a scrap piece of wood.
Securely hold down the wood and set the correct blade angle for cutting; stop immediately if strange sounds or vibrations occur.
Test Cut with a Scrap Piece of Wood
To test a new saw blade, secure the workpiece and slowly lower it onto wood until reaching full depth.
To achieve an accurate and smooth cut, check for anything interfering with proper operation; adjust or realign as needed. Before you make the cut, be sure to connect your saw to the dust collection system.
Check for Smoothness & Accuracy
After testing a new blade on Festool Kapex 120 miter saw, check for smoothness and accuracy to ensure that cuts go through easily without damage and fit together well when assembled. If everything passes the test with scrap pieces, you can start
Regular maintenance and blade changes are necessary for optimal saw performance, so take it slow when introducing a new blade.
How to Change the Blade on a Festool Kapex 120 – Conclusion
Changing the blade on a Festool Kapex 120 sliding compound miter saw is an essential maintenance task for anyone who uses this tool regularly. A sharp blade guarantees smooth cuts and prevents accidents while cutting thicker pieces of wood.
Follow our guide to safely and efficiently exchange the blades of a Festool Kapex 120, taking precautionary safety steps like unplugging the device and securing it in place beforehand.
Remember, always prioritize safety above everything else while working with power tools. A proper blade change ensures that you can enjoy the impressive power and performance of your Festool Kapex 120 miter saw for years to come. To take your safety to the next step, go to my article Miter Saw Safety Gear: 6 Things to Wear When Using Your Tool

Don’t Stop Now! Explore This Next:
Now that you have read this article, enhance your woodworking skills further by checking out my guide on quick fixes for common miter saw issues. This valuable resource will help you troubleshoot and maintain your saw for optimal performance.
Frequently Asked Questions
How often should I change the blade on my Festool Kapex 120?
You should change the blade when you notice it becoming dull or damaged, typically after significant use. Regularly inspect the blade and replace it to maintain optimal cutting performance and safety.
Can I use any blade with my Festool Kapex 120 miter saw?
It’s best to use original Festool blades or those specifically designed for the Kapex 120 to ensure proper fit and performance. Universal blades may not provide the same accuracy and could potentially harm the saw.
What should I do if the new blade makes strange noises or vibrations?
If the new blade causes unusual noises or vibrations, stop using the saw immediately. Check the blade installation for correct alignment and tightness. If issues persist, consult the manufacturer’s guidelines or seek professional assistance.

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