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Internet # 206743975

Model # DWE402W

Store SKU # 1001294716

11 Amp Corded 4.5 in. Small Angle Grinder

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$79.00
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  • Dust Ejection System protects tool from damaging dust
  • One-Touch Guard enables 360-degree rotation with a single action
  • Quick-Change Wheel Release enables easy wheel removal
  • View More Details

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Product Details

About This Product

The DEWALT DWE402W features an 11 Amp AC/DC 11,000 RPM motor that provides the best power to weight/size ratio available. The DEWALT Dust Ejection System provides durability by ejecting damaging dust and debris particles that enter the tool. Oversized brushes provide 65% longer brush life over previous model.

Highlights

  • Auto-off brushes shut the tool down when the brushes need replacing to avoid tool damage
  • 1-touch guard allows for 360-degree rotation of the guard with a single action
  • Quick-change wheel release allows tool free wheel removal without need for a wrench
  • Top mounted and protected spindle lock button maximizes depth of cut without compromising durability
  • Uniquely small gripping surface in this power class allows for the best comfort available in this class
  • Newly designed side handle provides excellent ergonomics
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Product Information

Internet # 206743975

Model # DWE402W

Store SKU # 1001294716

Additional Resources

Shop All DEWALT

Specifications

Dimensions: H 4.875 in, W 6.125 in, D 15.25 in

Dimensions

Product Depth (in.)

15.25 in

Product Height (in.)

4.875 in

Product Width (in.)

6.125 in

Wheel Diameter (in.)

4.5 in

Details

Amperage (A)

11 A

Arbor Size

5/8 in-11

Color Family

Yellow

Cord Length (ft.)

6 ft

Corded Tool Type

Angle Grinder

Cordless/Corded

Corded

Electronic Speed Control

No

Maximum Speed (RPM)

11000 RPM

Power Tool Features

Adjustable Handle Position, Spindle Lock

Product Weight (lb.)

6.25 lb

Returnable

90-Day

Tools Product Type

Power Tool

Variable Speed

No

Warranty / Certifications

Manufacturer Warranty

3 Year Limited Warranty1 Year Free Service Contract90 Day Money Back Guarantee

Questions & Answers

Arbor size
ByMar 30, 2026
1 Answer | 
Answer This Question

The DWE402W angle grinder has an arbor size of 5/8"-11.

By|Jun 11, 2026

    (1)

    Auto-off brushes shut the tool down when the brushes need replacing to avoid tool damage? What does this mean? What is required to replace the brushes? Who does this? Is it a warranty ?
    ByJul 29, 2025
    1 Answer | 
    Answer This Question

    The DWE402W 4-1/2" Small Angle Grinder features auto-off brushes, which are designed to shut the tool down when the brushes wear out. This prevents damage to the motor by ensuring the tool stops operating before the brushes are completely worn down and potentially harm internal components. Here's what this means and what is required for brush replacement: What Does "Auto-Off Brushes" Mean? Functionality: The grinder has a built-in safety feature that automatically stops the tool when the carbon brushes (which conduct electricity to the motor) reach the end of their usable life. This ensures the motor is not subjected to excessive wear or overheating due to worn brushes. What Is Required to Replace the Brushes? Replacement Brushes: You will need compatible replacement brushes for the DWE402W model. These can be purchased from authorized DEWALT dealers or service centers. Skill Level: Replacing brushes typically requires basic mechanical skills. The process involves opening the tool housing, removing the worn brushes, and installing new ones. It is recommended to follow the user manual or consult a professional. Tools: You might need a screwdriver and other basic tools to access the brush compartment. Who Performs This Replacement? DIY Option: If you are comfortable with tool maintenance, you can replace the brushes yourself following the instructions in the user manual. Professional Service: Alternatively, you can take the grinder to an authorized DEWALT service center, where trained technicians can replace the brushes for you. Is This Covered Under Warranty? Warranty Coverage: Brush wear is considered normal wear and tear and is generally not covered under DEWALT's warranty. However, if the auto-off feature malfunctions or causes damage to the tool, it might be covered under warranty. Warranty Details: DEWALT typically offers a 3-year limited warranty for their tools, but this excludes consumable parts like brushes. You can check the warranty terms for specifics on your tool.

    By|Jul 29, 2025


      Can this tool be used to grind concrete to prevent a trip hazard?
      ByMay 30, 2025
      1 Answer | 
      Answer This Question

      The angle grinder model number DWE402W is suitable for grinding concrete to prevent trip hazards, as it is designed for heavy-duty grinding applications.

      By|Sep 24, 2025

        (1)

        Which cutting wheel do I use for the DeWalt DWE402W grinder to cut circles in porcelain tiles?
        ByMar 13, 2025
        1 Answer | 
        Answer This Question

        You'll need a diamond-tipped blade designed for porcelain, specifically a diamond blade with a smooth edge, as notched blades are better suited for porcelain tiles.

        By|Mar 13, 2025


          Would this tool be helpful for cutting hardened steel?
          ByNov 25, 2024
          1 Answer | 
          Answer This Question

          Hi Fern, hardened steel can be cut using this grinder. Recommended are Diamond cutting wheels. If there is a lot of hardened steel cutting a larger grinder (more power) is best.

          By|Feb 15, 2026

            (1)

            Safety Standards at my job require the plug to have 3 prongs OR the cord to be dual insulation. Does this grinder have those features?
            ByOct 25, 2024
            1 Answer | 
            Answer This Question

            The cordset does not meet those specifications.

            By|Oct 25, 2024


              what is the arbor size?
              ByOct 6, 2024
              1 Answer | 
              Answer This Question

              5/8-11 Arbor

              By|Oct 9, 2024


                Does the Blade that comes with it cut ceramic tile? It says it cuts metal and is rather thick.
                ByJul 29, 2024
                1 Answer | 
                Answer This Question

                The DWE402W will include (1) 4-1/2" Abrasive Wheel. We would recommend using a wheel specifically for the type tile you will be cutting.

                By|Jul 30, 2024


                  Viewing 1-8 of 70

                  Customer Reviews

                  4.7 out of 5

                  • 4.7 out of 472 reviews
                  • 92% recommend this product
                  Filter by:
                  Showing 1-10 of 472 reviews
                  A great buy
                  Bought to cut through some quarter inch thick aluminum. Got the job done, did not overheat at all. Safety switch works great, and was very comfortable to hold. Minimal vibration allowed for precise cuts. Sits at a great price point too. Would recommend picking up an extension cord to go with this, the cord it comes with is a little on the shorter side.
                  by
                    was working on stripping the Behr Deck over from my floor boards, originally was using a HF side ...
                    was working on stripping the Behr Deck over from my floor boards, originally was using a HF side button angle grinder, the dust cover and Diamabrush didnt fit correctly. when I used it without the dust cover, the HF grinder would heat up too much in my hand (side button) and would trip the breaker. this DeWalt solved all my problems and i was able to get the job done.
                    by
                      • Recommended
                      7 found this review helpful
                      Exceptional grinder, I’ve use this model many many times. I have no complaints on this product, h...
                      Exceptional grinder, I’ve use this model many many times. I have no complaints on this product, however, the selection at not one but two locations of sanding pad attachments is lacking. There’s only one flap disc grade, and only diablo 50 and 80 grit are the finest grade they had. They offer finer grades in orbital or mouse pads but for doing large commercial size projects a mouse isn’t going to cut it. One more reason a customer is apt to buy online as opposed to visiting the local hardware store....shame
                      by
                      • Verified Purchase
                      • Recommended
                      9 found this review helpful
                      Stopped working before 3 months
                      by
                      Response from DewaltProductExpertJul 13, 2026
                      Hello. I appreciate your feedback on the DWE402W Small Angle Grinder, and I'm sorry to hear your Grinder has stopped working. This is not the kind of performance we expect from our products and 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 reference Ticket #15760215 so we have all information available from your review. Thanks. Lee, DEWALT
                      • Verified Purchase
                      This 4-1/2" Grinder works very well. It's more heavy duty than the one we had. I believe it will hold up.
                      by
                      • Verified Purchase
                      This customer chose to rate the product and not provide text.
                      by
                      • Verified Purchase
                      It did a great job cutting through some rusted steel lawnmower parts.
                      by
                      This customer chose to rate the product and not provide text.
                      by
                      This customer chose to rate the product and not provide text.
                      by
                      • Verified Purchase
                      Used to clean dried adhesive from floor worked great
                      by
                      • Verified Purchase
                      Showing 1-10 of 472 reviews

                      Compare Key Features

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                      Product Snapshot

                      Ideal for professionals or homeowners seeking durability and power. This grinder features a dust ejection system and a powerful 11-amp motor for tough jobs.
                      Ideal for weld and steel surface preparation, this grinder offers faster material removal and higher overload protection. Built for durability with a slim design for increased comfort.
                      Ideal for professionals or DIYers seeking a powerful and durable grinder with a comfortable grip. Its dust ejection system ensures longevity and efficient performance.
                      Built for heavy-duty grinding tasks, this grinder features a powerful 13-amp motor and keyless adjustable guard for efficiency. A great choice for professionals seeking durability and performance.

                      Disc Size

                      4.5 in.
                      4.5 in.
                      4.5 in.
                      7 in.

                      Power Output

                      11 A
                      9 A
                      11 A
                      13 Amp

                      Speed Control

                      Dust Protection

                      Safety Features