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New DCG420B
ATOMIC 20V MAX* Die Grinder (Tool Only)
New DCG420B

ATOMIC 20V MAX* Die Grinder (Tool Only)

  • Help Maximize Control - Equipped with the DEWALT® ANTI-ROTATION System. This feature quickly stops the wheel when a pinch, stall, or bind-up event is sensed, reducing reactionary torque. The switch needs to be cycled (turned on and off) to restart the tool.

  • Ergonomic Design - Complete applications with a slim, ergonomic design and up to 19% more power than 0.5 HP rated pneumatic die grinders† for access into ultra tight spaces without sacrificing power.

  • Electronic Brake - Help maintain control with the electronic brake designed to stop the wheel in less than 1 second** after the on/off trigger is released.

See More Details
New DCG420B

ATOMIC 20V MAX* Die Grinder (Tool Only)

  • Help Maximize Control - Equipped with the DEWALT® ANTI-ROTATION System. This feature quickly stops the wheel when a pinch, stall, or bind-up event is sensed, reducing reactionary torque. The switch needs to be cycled (turned on and off) to restart the tool.

  • Ergonomic Design - Complete applications with a slim, ergonomic design and up to 19% more power than 0.5 HP rated pneumatic die grinders† for access into ultra tight spaces without sacrificing power.

  • Electronic Brake - Help maintain control with the electronic brake designed to stop the wheel in less than 1 second** after the on/off trigger is released.

See More Details

Product Details

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    Product Overview

    Complete high-powered applications in tight spaces with the ATOMIC™ 20V MAX* Die Grinder (battery and charger sold separately) that delivers optimized maneuverability and up to 445 MWO. This unit is equipped with the DEWALT® ANTI-ROTATION System to help maximize control. This feature quickly stops the wheel when a pinch, stall, or bind-up event is sensed, reducing reactionary torque. An ergonomic design allows this tool to access ultra tight spaces. Replace pneumatic die grinders with this cordless solution that delivers untethered performance, productivity, and pneumatic-like power†.

    Additional Features

    • Compact Design - Access hard-to-reach areas with a grinder 45% smaller than Milwaukee M18 Die Grinder‡.

    • Easy Wheel Changes - Change wheels quickly with the spindle lock removing the need for multiple wrenches.

    • Up To 2X The Power Of Milwaukee M12 Die Grinder†† - Take on demanding applications with a powerful brushless motor that delivers up to 445 MWO.

    • Variable Speed Trigger - Match speed to application to help optimize performance with variable speed up to 24,500 RPM.

    • Paddle Switch - Replicate the performance of pneumatic tools with the lock off paddle and no-lock on feature.

    • Forward Exhaust System - Direct air away from the user with an exhaust system that helps prevent overheating from the motor.

    • High Visibility - Help illuminate work surface with bright, onboard LED.

    • TOOL CONNECT™ CHIP READY™ - Pair the TOOL CONNECT™ Chip (sold separately) and DEWALT® TOOL CONNECT™ app‡‡ for data on jobsite asset management and tool location.

    • Where Size Meets Power™ - ATOMIC™ power tools are part of the expanding DEWALT® 20V MAX* system, offering size without compromise.

    Includes
    • (1) DCG420 ATOMIC™ 20V MAX* Die Grinder
    • (1) 1/4 in. Collet
    • (1) Wrench
    Warranty Information
    • 3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

    We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

    Learn More
    Service

    We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

    ATOMIC grinder grinding metal

    Ergonomic Design

    Up to 19% more power than 0.5 HP rated pneumatic die grinders† for access into ultra tight spaces without sacrificing power.

    ATOMIC die grinder grinding pipe

    Help Optimize Productivity

    Take on demanding applications with a powerful brushless motor up to 2X the power of Milwaukee M12 Die Grinder††

    Features & Benefits

    ATOMIC™ 20V MAX* Die Grinder in a fabrication shop
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    Disclaimer(s)

    • *Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.

    • **On average, using 2" cutting wheel (not included).

    • †Compared to 0.5 HP rated pneumatic die grinders, based on MWO using DCBP034 battery (sold separately).

    • ††Based on MWO using DCBP320 battery (sold separately) vs. Milwaukee 2486-20 M12 Die Grinder. Milwaukee® is a registered trademark of Milwaukee Electric Tool Corp., which has not endorsed, approved, or sponsored this comparison.

    • ‡Tool only, based on volume vs. Milwaukee 2784-20 M18 Die Grinder. Milwaukee® is a registered trademark of Milwaukee Electric Tool Corp., which has not endorsed, approved, or sponsored this comparison.

    • ‡‡Additional subscription charge and third-party data charges may apply