Festool Kapex Ks 120 Sliding Compound Miter Saw


The Festool Kapex Ks 120 Sliding Compound Miter Saw is one of the best saw’s money can buy. As with all Festool product’s, no corners were cut when it comes to quality and design. Festool is one of the top leaders in tool design and innovations that others strive to match. From all the compound miter saw brand names I have used through the years I would rate this one number one.


Festool Kapex Ks 120 Sliding Compound Miter Saw


Due to the cost of this saw, most contractors do not use this from job to job where I live. As much as everybody would love to have it they just find most employees will not take proper care of the saw for the cost outlay. The Kapex KS 120 is usually used in a shop set up but is designed for portability and to be run as any other compound miter saw being sold today as well. This saw has an added design that most other saws do not have in place which also makes this particular saw a must have for the work environment.

Festool kapex ks 120 sliding compound miter sawLet’s break down some of the main features:

  • Has a Direct Drive Motor  and MMC Electronics
  • Has a versatile blade with unique cutting positions
  • For accurate setups, there is a Dual Laser Design
  • Miter Scale, Lock, and Angle Transfer
  • Fine Bevel Adjustment and Secure Bevel Lock
  • Keyed Clamp and Compact Rail-Forward Design
  • Blade Changes
  • Portability


Has a Direct Drive Motor  and MMC Electronics


With a soft start system, this saw will ensure a smooth ramping of power to eliminate jolts that will improve on cuts and the life of the saw in conjunction with an overload protection circuit. You’ll have a variable speed control that runs between 1,400 to 3,400 rpm when dealing with different materials to give you the best results for cutting. With a 1,600-watt direct drive motor the Kapex KS 120’s  transfers the energy efficiently o the blade when cutting and has a magnetic brake for stop time once power is off.


Has a versatile blade with unique cutting positions


Festool kapex ks 120 sliding compound miter saw cutting

By using the back of the blade better, the Kapex KS 120 is designed to have a special cutting position that allows for greater cutting capacity by the flip of a single lever. Crown moldings of 6-5/8-inch and verticle stock of 4-3/4-inches by 3/4-inches can now be cut. By flipping another knob, the saw is designed to handle cutting trenches for lap joints or fitting over pipes, etc. To help accomplish this, the Kapex KS 120 uses thin-kerf blades specially designed for vibration dampening, noise level reduction and reduce motor stress to create cleaner cuts for a variety of materials.


For accurate setups, there is a Dual Laser Design


Festool kapex ks 120 sliding compound miter saw angle cutThere is a two stage trigger to help prevent accidental start ups for a centered position handle allowing the user to use either hand to cut the product once your ready. With dual lasers to mark out the location of the blade done by a three-axis adjustment control for the laser fine tuning for where it’ll cut the material, it makes operating the saw quick and easy for precision cuts every time. The lasers are also powered by the main power and not batteries and have a separate switch that allows the laser to work independently from running the saw.


Festool kapex ks 120 sliding compound miter saw angle transfer

Miter Scale, Lock, and Angle Transfer


The Miter Scale is made of stainless steel with etched in angles for easy reading when setting up for various cuts. The angles are set up to the left up to 50 degrees and 60 degrees to the right. As with most compound miter saws, the Kapex KS 120 also has a position lock to keep the angle in place from possible movement when nudged. Unlike some of the other saws, Festool can be accurate to fractions of a degree even near detents.


Fine Bevel Adjustment and Secure Bevel Lock


Festool kapex ks 120 sliding compound miter saw set upWhen it comes to setting a bevel angle, there is a knob that engages a rack and pinion that moves the head once rotated. This setup keeps the angle you have set until you engage the bevel lock. You set both left and right bevels and have a fine adjustment knob to control fractions of an inch for bevels. The bevel knob comes with three settings:

  1. positive detents at 0 and -45 degrees
  2. movement between -45 and +45 degrees
  3. free movement up to +/-47 degrees

The bevel gauges are located on both sides with the large bevel scale made easier to read on the saw.


Keyed Clamp and Compact Rail-Forward Design


A non-slip clamp that is lever controlled by cam-lock is used to hold the material your cutting with a rubber pad protection in place and makes setting up for cuts quick and easy.

The Kapex KS 120 also has a rail-forward design where 30-millimeter rails are used to keep the saw from having head play by the rails being set wide apart ensuring smooth precision cuts and the saw being able to operate closer to the wall to save on space.


Blade Changes


Festool has designed the saw to have fast one handed blade changes by there FastFix system. When the FastFix knob is turned, it locks the arbor and trigger mechanically stopping any false startups. There is a cupped steel arbor nut that protects the saw and blade for damage of over torquing.



The saw is designed with an arbor tool and power cord storage. Lightweight of 47 pounds for a 10-inch compound miter saw do to the magnesium alloy base. Locking head for easier transportation.

Festool kapex ks 120 sliding compound miter saw transport


Integrated Dust Hood and Dust Extraction


This saw is capable of getting 91% of the sawdust from its swiveling dust port when used with one of Festool’s CT dust extractors as I use for sawdust collection.

The Festool Kapex KS 120 Sliding Compound Miter Saw is one of the nicest 10-inch home improvement hand tools you could own in your tool collection. Of all the name brand tools on the market, I can honestly say Festool makes the best of the best when it comes to quality, durability, design and overall functionality. I find they have considered incorporating more features for ease of use and purpose than most other name brand tools. When cost is not too much of an issue, this is the saw to own.


Festool Kapex KS 120 Sliding Compound Miter Saw



  1. I responded to an earlier page of yours, and was happy to see you again!

    Wonderful review! Great information. Especially about how it’s a great saw, but contractors shy from using it because their employees might not maintain it properly, so the investment is a risk.

    Great visuals! Those photos really explain each of the points you make.

    Clear writing. Extremely easy to follow information.

    2 thoughts:

    1. Why not use a bullet list for the features? So it doesn’t look like a block of bold text.

    2. Why not add “Open link in a new tab”? When I clicked the link, I did get to Amazon, but your site was no longer available.

    That’s my 2 cents!

    Great job!

    Roger, The Smiling BassHole

    • Well Roger, glad you liked the post and I find the easier everybody can get to see and read the information the better. There are a lot of choices when it comes to tools, so I’m slowly trying to help people make the right decisions what will work best for them.

      Also, thanks for the tip to make things even a little easier for people reading the post with your thoughts. This site and my company site TD Remodeling is for my visitors. I take the advice from my visitors for making the websites easier to navigate and for people to find the information that they are looking for as easy as possible.

      Thanks for stopping by and commenting.

  2. I love miter saws. As a female, using a miter saw is often easier to use than a circular saw.

    I love the fact that they are portable and easy to adjust.

    The price is pretty steep so I can understand why companies wouldn’t use them on job sites. I wouldn’t allow anyone to use a piece of equipment if I spent that much money for it.

    This is the first I’m hearing about this brand, Festool.

    Thank you for your article.


    • Hi Laura, and as you mentioned about not hearing about Festool before, they are not carried in as many stores as a lot of the other name brand tools. Festool is a german made tool that is one of the best but there are other companies that compeat with the same products.

      A lot of what people will purchase as tools will come down to name brand they like and price. Festools are not the average tools people buy as they are pricey compared to other tools you can buy but Festool has products that are amazing.

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