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DEWALT

DEWALT ATOMIC 20V MAX* Circular Saw, 4-1/2-Inch, Tool Only (DCS571B)

  • Based on 7,508 reviews
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This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026

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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Thursday, Nov 6
Order within 11 hours and 3 minutes
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Features

  • Brushless motor allows you to cut up to 369 linear feet of 3/4 in. OSB using DCB205 battery (sold separately)
  • Removable auxiliary handle for increased control
  • Hang hook for increased convenience
  • On-board blade key storage for hassle free blade changes
  • 1-1/2 in. finger trigger allows users to choke-up on tool if necessary for their application
  • Bevel gear allows users to cut 2x material at 90 degrees with a 4-1/2 in. blade
  • Electronic blade brake stops blade quickly for safety and productivity
  • Bevel lever gives user the ability to bevel at 45 degrees to cut 1x dimensional lumber
  • On-board dust port for dust control

Description

Take on a variety of applications with the compact ATOMIC 20V MAX brushless cordless 4-1/2 in. Circular saw. With a bevel gear design that allows for 90 cuts of 2X material and 45 cuts of 1x material, this circular saw cuts up to 369 linear feet of 3/4 in OSB using a DCB205 battery. As a part of the ATOMIC COMPACT SERIES, this tool is compatible with 20V MAX batteries and chargers.

Brand: DEWALT


Color: Black


Blade Material: High Speed Steel


Surface Recommendation: Wood


Power Source: Battery Powered


Brand: ‎DEWALT


Color: ‎Black


Blade Material: ‎High Speed Steel


Surface Recommendation: ‎Wood


Power Source: ‎Battery Powered


Special Feature: ‎Brake, Brushless


Included Components: ‎(1) DCS571 20V MAX* Brushless 4-1/2 in. Circular Saw; (1) Wood cutting blade; (1) Blade change key; (1) Dust port adaptor; (1) Rip fence


Product Dimensions: ‎17.88"L x 5.13"W x 6.69"H


Voltage: ‎20 Volts


Warranty Type: ‎Limited Warranty


Item Weight: ‎6.6 Pounds


Blade Length: ‎2 Inches


Number of Teeth: ‎24


Number of Batteries: ‎1 Lithium Ion batteries required.


Cutting Angle: ‎90 Degrees


Specification Met: ‎CSA


Blade Shape: ‎Rectangular


Global Trade Identification Number: ‎39


Handle Material: ‎Plastic


UPC: ‎885911592239


Manufacturer: ‎DEWALT


Part Number: ‎DCS571B


Item Weight: ‎6.59 pounds


Item model number: ‎DCS571B


Batteries: ‎1 Lithium Ion batteries required.


Is Discontinued By Manufacturer: ‎No


Size: ‎One Size


Style: ‎Classic


Finish: ‎Brushed


Material: ‎Metal


Pattern: ‎Solid


Shape: ‎Rectangular


Item Package Quantity: ‎1


Special Features: ‎Brake, Brushless


Batteries Included?: ‎No


Batteries Required?: ‎Yes


Date First Available: August 2, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Nov 6

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great tool!
This has become my go to saw for most of my work. Easy to handle and has plenty of power. Its just able to cut two by material and is very easy to manage on plywood cuts on walls for example since its so light. I agree its looks a little weird at first but I have grown to use my "axe"
Reviewed in the United States on September 14, 2025 by Khof
    • Impressive and powerfull saw
Review Image by Alejandro Alejandro
Review Image by Alejandro Alejandro
Review Image by Alejandro Alejandro
Review Image by Alejandro Alejandro
I bought this saw about a year ago (it’s actually my first saw), and it’s been pretty powerful. Back when I got it, I saw some reviews saying that bigger batteries were necessary to get the most out of it. At first, I was using a 5Ah battery, and it worked fine for plywood, studs, and general wood cutting. Recently, though, I decided to push it a bit further and tried cutting granite(yes, an actual granite countertop). That’s when I realized the 5Ah battery wasn’t enough. You could feel the resistance, and the saw just didn’t have the power to go through it smoothly. So, I got an 8Ah battery, and wow, what a difference! With a bigger battery, the cuts were flawless, fast, powerful, and effortless, obviously using the proper blade. I was already happy with the saw for regular use, but this recent challenge made me want to finally write a review. If you’re planning to use it for heavier materials, definitely go for the bigger battery and right blade. Overall, really impressed and glad I bought it! ... show more
Reviewed in the United States on February 14, 2025 by Alejandro Alejandro
    • Missing parts….?
Items NOT INCLUDED yet referenced in the instructions: 1. Dust Bag 2. The Blade Wrench Otherwise excellent product…
Reviewed in the United States on October 1, 2025 by John Rafael Paris
    • Amazingly easy to control and maneuver. Astonishingly powerful.
Review Image by Woodwizard Woodwizard
Review Image by Woodwizard Woodwizard
I bought this DCS571 4-1/2-inch circular saw for cutting sheets of plywood without access to a table-saw nor a 110-volt outlet. I thought about taking one star off because the manufacturer does not provide a proper adaptor for connecting the saw to a non-DeWalt vacuum system (not in the box, that is, but only for sale separately). You'll have to buy the DWV9000 adaptor (allows you to connect to some DeWalt brand hoses) and a DWV9190 adaptor to connect to other vacuum brands. I didn't doc any points, however, because of how well this saw works to get the assigned job done. Cutting long cuts in 1/2- and 3/4-inch thick 4x8 plywood is like slicing through warm butter. So much so that yesterday as I was making the last of several cuts my wife said, casually, "Did you just cut through the sawhorse?" Yep - the saw didn't buck, didn't screech and didn't even slow down. I made a perfectly clean, straight cut through the plywood AND the 1-inch x 1-inch steel horizontal bar of that slick little Craftsman folding sawhorse. What an amazing saw! I'm headed off to buy a new set of sawhorses. ... show more
Reviewed in the United States on June 5, 2022 by Woodwizard Woodwizard
    • Very happy with this purchase!
I am a senior woman with a fair amount of DIY and remodeling experience, both commercial and residential. I appreciate well-designed, well-built tools, and this lived up to DeWalt’s standards. I was concerned that it would be heavy and clumsy for my grip, which is maybe a bit larger and stronger than many senior women, but not as big/strong as most guys’. While the tool is heavy, in a good way, the grip and trigger/switch design is smart, safety-forward, and I found it easy to hold and work with the tool. Both the kerf notch and the bevel selector needed small adjustments out of the box, but they were easily accomplished. The tool has plenty of power via the 20V battery system. I RTFM’d carefully, because I’m that kinda gal, and then I took my time with the first few cuts, getting used to the feel of the tool. I’m very pleased, posting this review to encourage other women who may be hesitating about which saw to buy. One final observation: the portability of this saw can’t be beat, so if the size of the blade works for your needs, go for it. ... show more
Reviewed in the United States on July 13, 2024 by Amanda Burton
    • Dewalt small circular saw
This saw is strong and lite, packs a punch ! Ideal for small jobs, gets in tight spots. Would order this again , use for cutting tile , very handy , can't beat the value for the price
Reviewed in the United States on November 10, 2024 by Erik Hyatt
    • It's Good saw!!
Bought in oct 21 very good tool just don't loan to people .Very time I do the blade I Get back look like it cut nails or metal I have load it many times. Just found out one of the friends ?? Who did not tell me what he was planing to do .But borrowed it to cut the aluminum roof off of his 30 foot Rv ! He will not be loaded anything from me again But the saw works good ... show more
Reviewed in the United States on May 13, 2025 by James D Hartnell
    • One of My Most Used Tools
I already own a full size framing saw and even a mid size cordless circular saw, so I really thought I did not need this saw at all. I ended up buying it on a whim, thinking it might be handy for trimming some vinyl floor or perhaps doing small jobs around the house. Now it has become one of my most used tools. I've used it for drywall, plywood, fencing, flooring, and even an occasional 2x4. It is just a great light, versatile saw that requires no setup and cuts great. Unless I have a big cutting job to do, I'll always reach for this saw first. For example, recently I had some bad sections of decking to remove, but I did not want to replace the entire 12 foot deck boards because the screws are all shot, and I wanted to minimize damage to the joists. So I set this saw to the right depth and did a precise plunge cut over the joists, and then finished the cut with an oscillating tool. Then I used the mini saw to cut the portion I wanted to replace up and then cut off the rusted screws with a dremel. This is a super handy tool - great for small projects, and more useful than a large circular saw for most casual users, though I'm sure a pro would find many uses for it as well. ... show more
Reviewed in the United States on December 1, 2023 by Brad Smith

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