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Internet # 328228361

Model # DCK2051D2WS391B

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20V MAX XR Cordless Drill/Driver, ATOMIC Impact Driver 2 Tool Combo Kit and 6.5 in. Circ Saw with (2) 2Ah Batteries

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  • Includes drill/driver, impact driver and circular saw
  • Brushless motors for high performance in demanding projects
  • Compact design allows access to hard-to-reach areas
  • View More Details

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Product Details

About This Product

This 20-Volt Maximum Brushless 2-Tool Kit includes one XR drill/driver, ATOMIC impact driver, two 2.0Ah batteries, a charger, and kit bag. Both tools are equipped with a high-output brushless motors to help you tackle demanding projects. The DCD800 Drill/Driver is equipped with a 3-position, pivoting LED for enhanced visibility in dimly lit work areas. At less than 4 in. in length, the ATOMIC 20-Volt Maximum 1/4 in. Brushless Cordless 3-Speed Impact Driver can handle tight applications like narrow cabinetry or framing without the need for an additional tool. Though the Impact Driver is light-weight and compact in size, it does not sacrifice performance with its brushless motor that delivers up to 1,825 in./lbs. of torque and 3,250 rpm for driving large-diameter screws. The DEWALT DCS391B 20-Volt Maximum Lithium-Ion Cordless Circular Saw has a powerful 5150 RPM motor that delivers power and speed to make the most demanding cuts with ease.

Highlights

  • DCD800: access hard to reach work areas: compact 6.37 in. size is 1/2 in. shorter in length compared to the DED791, tool head only
  • DCD800: high bit retention with 1/2 in. metal ratcheting chuck
  • DCD800: brighten dark work areas: adjustable 3-position, 3-mode LED with up to 70 Lumens, including LED spotlight mode which features a 20-minute shutoff function for extended work time in low-light spaces
  • DCF850: maneuver with ease: compact, under 4 in. design for optimized ergonomics and access to difficult-to-reach spots
  • DCF850: high-performance brushless motor delivers 1,825 in. lbs. of torque and 3,250 RPM to drive large-diameter screws
  • DCF850: pro-level control and precision with a variable 3-speed trigger
  • DCF850: brighten dark work areas: integrated 3-LED work light enhances visibility in dimly lit spaces
  • DCS391B powerful 5150 RPM motor delivers power and speed to make the most demanding cuts with ease
  • DCS391B magnesium shoe stands up to the rigors of abusive working conditions to provide accurate cuts over the long haul
  • DCS391B 0° to 50° bevel capacity allows aggressive angled cuts
  • DCS391B depth of cut at 45°: 1-5/8 in.
  • DCS391B depth of cut at 90°: 2-1/8 in.
  • DCS391B includes 6-1/2 in. fast wood-cutting 18-tooth carbide-tipped blade
  • DCS391B protected by a 3-year limited DEWALT warranty and a 1-year free service contract
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Product Information

Internet # 328228361

Model # DCK2051D2WS391B

Additional Resources

Shop All DEWALT

Specifications

Details

Battery Power Type

Lithium Ion

Battery Voltage (V)

20V

Charger Included

Charger Included

Color Family

Yellow

Cordless Tool Type

Combo Kit

Cordless/Corded

Cordless

Included

Battery Included, Charger

Motor Type

Brushless

Number of Tools (Bonus Tool Not Included)

2

Number of Total Batteries Included

2

Power Tool Features

No Additional Features

Returnable

90-Day

Tools Included

Circular Saw, Drill, Impact Driver

Tools Product Type

Power Tool

Voltage (V)

20 V

Warranty / Certifications

Manufacturer Warranty

3 Year Limited Warranty, 1 Year Free Service Contract and 90 Day Money Back Guarantee

Questions & Answers

Can I use this saw on track for cut the wood?
BySep 6, 2026
1 Answer | 
Answer This Question

The DCS391B is not designed as a track saw, so it does not natively run on a track system by itself. However, it may be used with a straight edge guide or certain compatible aftermarket adapters, depending on the setup you are using.

By|Sep 11, 2026


    Does it come with a blade
    ByAug 31, 2026
    1 Answer | 
    Answer This Question

    Yes, it does.

    By|Sep 3, 2026


      What battery fits this saw
      ByJul 8, 2026
      1 Answer | 
      Answer This Question

      The DCS391B circular saw is compatible with all DEWALT 20V MAX lithium-ion batteries, including standard, XR, and FlexVolt (20/60V) batteries.

      By|Jul 8, 2026


        What is the maximum cutting depth
        ByJun 28, 2026
        1 Answer | 
        Answer This Question

        The DCS391B cut depth with a 6-1/2" blade is approximately 2-1/8" at 90-degrees.

        By|Jul 21, 2026

          (1)

          Is it brushless
          ByJun 24, 2026
          1 Answer | 
          Answer This Question

          The DCS391B is not brushless.

          By|Jun 25, 2026


            Can it cut a concrete groove?
            ByJun 24, 2026
            1 Answer | 
            Answer This Question

            No, the DEWALT DCS391B is designed for wood and similar materials, not concrete.

            By|Jun 24, 2026


              Is the dust bag included
              ByJun 18, 2026
              1 Answer | 
              Answer This Question

              No, it's not.

              By|Jun 18, 2026


                Can you put a ripping attachment on this saw?
                ByApr 2, 2026
                1 Answer | 
                Answer This Question

                Yes, you can put a rip fence on the DCS391B saw. The DW3278 rip fence/guide is compatible with the DCS391B.

                By|Apr 26, 2026

                  (1)

                  Viewing 1-8 of 186

                  Customer Reviews

                  4.6 out of 5

                  • 4.6 out of 1,905 reviews
                  • 90% recommend this product
                  Filter by:
                  Showing 1-10 of 1,905 reviews
                  The features that stand out for the DeWalt 20v cordless circular saw, lightweight, easy to maneuver. The sidewinder feature gives better view point for more accurate cut. easily apply guide for ripping. Doesn’t bind as often due to good cutting power. I have had it a little over two months and would recommend.
                  by
                  2 found this review helpful
                  Great tool to have. It is light weight, well balanced and cuts through thick wood with great ease. What makes it especially easy is that the saw is cordless. No need to look for an outlet, just saw wherever you need it. This tool came without a battery, but you anyway want two batteries at least to make sure you always have a spare. There is nothing more annoying than having to wait for a battery to charge halfway through project. All and all I am happy with the purchase.
                  by
                  This saw is great, the power is great and it’s not too heavy. It’s so easy to grab and cut when you need something fast. I would definitely purchase again! Battery holds power for a long time and cuts great!
                  by
                  2 found this review helpful
                  Great Saw
                  Bought this and already loving it. First circular saw and super easy to use. Learning a lot with it already and trust it. Did 2 projects and already wanting to get more done. A must have.
                  by
                    • Recommended
                    2 found this review helpful
                    Need better instruction manual!
                    Saw may be good for the price and I’m a looking forward to using it…BUT the instruction manual is pretty much worthless. They need MUCH better instructions on how to change the blade and operation. The illustrations need to be on the same page as the words. Will probably have to find a YouTube video. Really, they should do better!
                    by
                    Response from DewaltProductExpertMar 12, 2026
                    Hello. Thank you for taking the time to provide your feedback. I'm sorry you weren't pleased with the DCS391B. Your feedback is valuable as we take into consideration every piece of feedback that we come across. I will pass this along to our team for review. It is feedback like yours that allows us to make improvements. Thanks, DEWALT Social Media Team
                      • Recommended
                      Great saw for a homeowner who wants a great tool without breaking the bank. Ive already ordered some extra batteries and two 90 tooth blades for some finishing work I'am doing. Seems to be a really good saw for what I need.
                      by
                      • Verified Purchase
                      WORTHLESS
                      Not sure how this made it to market. DeWalt really dropped the ball on this one. They must have never done any testing before putting this worthless piece of junk on the shelf. SERIOUSLY THIS SAW IS ONLY GOOD FOR ONE CUT ON A 2X 4 WITH A FULLY CHARGED BATTERY. DO NOT WASTE YOUR MONEY ON THIS SAW. IT WILL ONLY FUSTRAIT YOU WHEN YOU GO THROUGH 4 BATTERIES TO MAKE A FEW CUTS.
                      by
                      Response from DewaltProductExpertJun 2, 2025
                      Hello Thank you for taking the time to provide your feedback on the 20V MAX Cordless 6.5 in. Sidewinder Style Circular Saw (Tool Only). This is not the kind of performance we expect from our products and we would like to speak to you about this issue so we can assist you in resolving this to your satisfaction. Please contact support at WECARE@sbdinc.com and include a brief description of the issue. Thanks, DEWALT® Social Media Team
                        7 found this review helpful
                        I bought this for my husband as a gift and he loves it! Great quality.
                        by
                        • Verified Purchase
                        2 found this review helpful
                        The best combination from DeWalt
                        They are compact and powerful. DCD800 is only 6.37” long with 900 UWO and 796 in-lbs torque. DCF850 is truly atomic. With 3.97” length it is the shortest impact driver among all other brands including Milwaukee and Makita. But it is very powerful with 1825 in-lbs torque. With DCF850 I can accomplish many projects easier than before due to its compactness and powerfulness. With DCD800 and DCF850, I don’t think I need other drills and drivers.
                        by
                          • Recommended
                          1 found this review helpful
                          Best combination of DeWalt drill driver and impact driver
                          DeWalt 20V drill driver DCD800 and impact driver DCF850 are the best combination. They are compact and powerful. DCD800 is a replacement for DCD791 (which is DeWalst classics drill). DCD800 is only 6.37” long (more than half inch shorter than DCD791). It is only 0.4 inch longer than DeWalt 12V subcompact series drill driver DCD701. DCD800 has 900 UWO and max torque 796 in-lbs while DCD791 has 460 UWO and max torque 620 in-lbs. It is a great drill with many functionalities. DCF850 is DeWalt atomic brushless impact driver. DCF850 is truly atomic (the slogan for atomic series is where size meets power). It is compact and less than 4” long. With 3.97” length DCF850 is the shortest impact driver among all other brands including Milwaukee and Makita. It is even 1.08” shorter than DeWalt 12V subcompact impact driver DCF801. But it is also very powerful with 1825 in-lbs torque. It has three settings which makes it versatile. With DCF850 I can accomplish many projects easier than before due to its compactness and power. With DCD800 and DCF850, I don’t think I need other drills and drivers.
                          by
                          • Verified Purchase
                          • Recommended
                          1 found this review helpful
                          Showing 1-10 of 1,905 reviews