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DCG420XB

ATOMIC COMPACT SERIES™ 20V MAX* Extended Die Grinder (Tool Only)

A DEWALT 20V brushless cordless die grinder, primarily yellow and black in color, shown from the side on a white background.

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Product details

Complete metalworking applications in tight or narrow spaces with the ATOMIC COMPACT SERIES™ 20V MAX* Extended Die Grinder (battery and charger sold separately). Engineered for tough jobsites, the first battery-operated extended die grinder from DEWALT¹ is equipped with the DEWALT ANTI-ROTATION System to help maximize control and a 35% slimmer neck for ideal ergonomics².

  • Help Maximize Control - Equipped with the DEWALT ANTI-ROTATION System
  • Brake Stops Wheel In Less Than 1 Second⁴ - Help maintain control after the on/off trigger is released
  • 30% Smaller⁵ - Work in narrow spaces with a 35% slimmer neck²
  • Pneumatic-Like Power - Up to 20% more power than 0.5 HP rated pneumatic die grinders³
  • Variable Speed Trigger - Variable speed mode select and up to 24,500 RPM (no-load)
  • Fast Wheel Changes - Spindle lock removes the need for multiple wrenches
  • Paddle Switch - Lock-off paddle and no lock-on
  • Forward Exhaust System - Help direct air away from the user
  • High Visibility - Bright LED
  • TOOL CONNECT™ CHIP READY™ - Pair with the TOOL CONNECT Chip (sold separately) and TOOL CONNECT software⁶

Product Type
Die Grinder
Voltage
20V
Cordless or Corded
Cordless
Power Source
Cordless
Tool Only
Yes

  • (1) DCG420X ATOMIC COMPACT SERIES™ 20V MAX* Extended Die Grinder
  • (1) Wrench
  • (1) 1/4 in. Collet

  • 3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

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

* ¹ - Based on product description.

* ² - Diameter vs. DCG426 Die Grinder.

* ³ - Based on MWO using DCBP034G battery (sold separately).

* ⁴ - On average, using 2" cutting wheel (not included).

* ⁵ - Tool only, based on volume vs. DCG426B Die Grinder.

* ⁶ - Additional subscription charge and third party data charges may apply.

Downloads and manuals

Instruction Manual, Type 1
NA599856_DCG420X_T1_NA.278863.pdf
PDF
Exploded Diagram, Type 1
NA759626_DCG420x_T1.278844.svg
SVG
Exploded Diagram, Type 1
NA759626_DCG420X_T1_20260306.300188.svg
SVG
Exploded Diagram, Type 1
NA759626_DCG420X_T1_20260307.300189.svg
SVG

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