In Focus: DeWalt 20V MAX ATOMIC 4“ Angle Grinder

DeWalt’s 20V cordless 4" angle grinder delivers pneumatic-level power in a compact design built for control and tight-space performance.
May 5, 2026
3 min read

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Application

This product helps with cutting and grinding a variety of materials. 

Origin

This product was developed to replace pneumatic angle grinders with a compact and powerful solution that reaches tight spaces with safety and control as a focus. 

Features and benefits

  • DeWalt's first cordless 4" angle grinder: Compatible with standard 4" by 3/8" and 4" by 5/8" accessories (sold separately). 

  • Helps maximize control: Equipped with the DeWalt ANTI-ROTATION System.  
  • Ergonomic design: Complete applications with a slim, ergonomic design for access into ultra-tight spaces without sacrificing power. 

Selling points

  • Fast guard changes: Quickly convert your standard Type B guard into a Type A guard with a clip-on guard. 
  • Up to 44 percent more power than 0.7 HP-rated pneumatic angle grinders: Works fast and helps optimize productivity. 
  • Easy wheel changes: Change wheels quickly with the spindle lock that removes the need for multiple wrenches. 
  • Paddle switch: Replicate the power performance of 0.7 HP-rated pneumatic angle grinders with this 4" angle grinder that has a lock-off paddle and no-lock-on features. 

Manufacturing/engineering specifications

  • 20V
  • Weighs 4.34 lbs
  • 11.8” long by 6.77”  wide by 4.49” high
  • Brushless motor
  • 755 MWO
  • 12,500 RPM (no load)

Demonstration

Suggested retail price

MSRP $319, MAPP priced $299.00  

For more information

For more information, visit DeWalt.com. 

 

 Information provided by DeWalt

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