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DCG400B

20V MAX* Atomic 4" Angle Grinder (Tool Only)

A DEWALT 20V brushless cordless grinder tool, shown in black and yellow colors, featuring a wheel guard and ergonomic handle.

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Product details

Complete high-powered applications in tight spaces with the ATOMIC 20V MAX* 4 in. Angle grinder (battery and charger sold separately) that delivers optimized maneuverability and 755 MWO. This tool 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 access to ultra tight spaces, while the clip-on guard can quickly convert a type b guard into a type a guard. Replace pneumatic angle grinders with this cordless solution that delivers untethered performance, productivity, and pneumatic-like power" .

  • DEWALT®'s first cordless 4 in. Angle grinder - get cordless convenience and unprecedented performance from our first cordless 4 in. Angle grinder compatible with standard 4 in. X 3/8 in. And 4 in. X 5/8 in. Accessories (sold separately).
  • 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.
  • Electronic brake - help maintain control with the electronic brake designed to stop the wheel within 1.15 seconds after the ON/OFF trigger is released.
  • Ergonomic design - complete applications with a slim, ergonomic design that's 13% lighter than a competitive pneumatic angle grinder in use" "  for access into ultra tight spaces without sacrificing power.
  • Fast guard changes - quickly convert your standard type b guard into a type a guard with a clip on guard.
  • Up to 44% more power than 0.7 HP rated pneumatic angle grinders"  - work fast and help optimize productivity.
  • Easy wheel changes - change wheels quickly with the spindle lock that removes the need for multiple wrenches.
  • Brushless motor performance - take on demanding applications with 755 MWO and 12,500 (no load) RPM.
  • Paddle switch - replicate the power performance of 0.7 HP rated pneumatic angle grinders with this 4 in. Angle grinder that has a lock off paddle and no-lock on features.
  • Forward exhaust system - direct air away from the user with an exhaust system that helps prevent overheating from the motor.

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

  • (1) DCG400 ATOMIC™ 20V MAX* 4 in. Angle Grinder
  • (1) Wrench
  • (1) Type B Guard with Type A Clip-on Guard
  • (1) 1/16 in. Type 1 Wheel
  • (1) 1/8 in. Type 1 Wheel

  • 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.

* **On average using 1/16" T1 DW8716 wheel.

* †Based on MWO using DCBP320 battery (sold separately)

* ††Measured with DCBP320 battery (sold separately) vs. PATCO GAL-1340-1 with 4" of connected 1/2" diameter hose and equal accessories. PATCO™ is a trademark of Patco Air Tools, Inc., which has not endorsed, approved, or sponsored this comparison.

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