Monday, May 27, 2024

DEWALT ATOMIC 20-Volt MAX Cordless 4-1/2″ Circular Saw Review DCS571

► DEWALT DCS571B Atomic 20V Max Brushless 4-1/2 in. Cordless Circular Saw:

► PORTER-CABLE 4-1/2″ Plywood Cutting Blade 120-Tooth:

► Pack Of 4 Assorted 60T HSS Metal/24T TCT Wood/Diamond 4-1/2-Inch Circular Saw Blade:

►Rockwell 4-1/2-Inch 60T Circular Saw Blade:

► Worx WA5085 24T TCT Blade, 4 1/2″ Inch:

► Two 4-1/2″ 24 Teeth Tungsten Carbide Tipped Circular Saw Blade:

The DEWALT Atomic 20V Brushless 4-1/2″ Circular Saw is a lightweight and compact saw designed for pro use all the way down to DIY.  The size of the saw and blade makes it comfortable and easy to use, even for people who are new to wood saws.

The DEWALT Atomic 20V Circular Saw will be a popular saw due to its easy one-hand cutting on thinner materials.  For small jobs or quick work, this saw is easy to get out, travel with and put away.  It will not take the place of a traditional 7-1/4″ circular saw, but more as a supplement for smaller jobs and in tight spots where a standard circular saw won’t fit.

4-1/2″ Circular Saw Design

When looking at the DEWALT Atomic 20V Brushless 4-1/2″ Circular Saw from the side, you will note a few places the saw was designed to hold with a single hand.  The trigger has a multi-level sort of “S” shape that allows for a forward or rearward grip, each having access to the trigger.  This is ideal for tight places in a more professional application.

There is a secondary or auxiliary handle above the motor and just slightly to the rear of the blade.  This is a great place to hold the saw with a second hand for precise cuts.   We found the auxiliary handle comfortable for cutting sheet goods.  The auxiliary handle is also removable if you need the saw for tight areas.

Height and bevel adjustments have a familiar feeling to a traditional circular saw.  The Atomic Saw will bevel to 45º with a depth of cut of 1″.  You can adjust the stop at 90º with a Philips head screw for improved accuracy. At 90º you have a 1-1/2″ cutting capacity that will just cut 2x dimensional lumber.  This saw will struggle to fully cut 2x lumber that is warped as we show in the video.

Finding 4-1/2″ Blades

The DEWALT Atomic 20V Brushless 4-1/2″ Circular Saw comes with a Carbide tipped 24-Tooth 4-1/2″ blade.  This blade works well for rough cuts but leaves a lot to be desired when used for trim or siding.  We have listed multiple blades above that will fit this saw and increase the cut quality.  Unfortunately, if you purchase this in a big box store, you will most likely not find any blades to fit this saw in the store.  we feel this will quickly change once more of these 4-1/2″ saws become more popular with pro-grade brand names.

For now, we can look and find decent blades on Amazon.


Model: DeWalt DCS571P1 (DCS571B bare tool)
Power Source: DeWalt 20V Max batteries
Blade Diameter: 4-1/2″
No-Load Speed: 4500 RPM
90º Cutting Capacity: 1-9/16″
Weight: 5.5 pounds bare
Warranty: 3 years

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