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ATOMIC 20V MAX* 4-in. Angle Grinder Kit - DeWALT

Part #: DCG400S2

The DeWALT ATOMIC 20V MAX* 4-inch Angle Grinder Kit (DCG400S2) delivers professional-grade cordless performance in a compact form factor. Engineered for automotive and industrial professionals, this tool combines convenience with the power required for demanding applications. Its robust design and advanced safety features provide enhanced control and efficiency on the job site.

Key Features

  • Cordless Performance: Experience the flexibility of a cordless tool without sacrificing power, suitable for standard 4-inch x 3/8-inch and 4-inch x 5/8-inch accessories.
  • DEWALT® ANTI-ROTATION System: This safety feature detects pinch, stall, or bind-up events and quickly stops the wheel, significantly reducing reactionary torque for improved operator control.
  • Electronic Brake System: Designed to halt the wheel within 1.15 seconds after the paddle switch is released, contributing to a safer working environment.
  • Brushless Motor: Delivers a robust 755 MWO and 12,500 no-load RPM, providing up to 44% more power than 0.7 HP rated pneumatic angle grinders.
  • Ergonomic Design: A slim, ergonomic profile makes the grinder 13% lighter than competitive pneumatic models, enabling better access into confined spaces without compromising power.
  • Quick Wheel Changes: The integrated spindle lock facilitates swift and easy wheel changes, eliminating the need for multiple wrenches and reducing downtime.

Applications

The DeWALT ATOMIC 20V MAX* 4-inch Angle Grinder is suitable for a range of professional tasks including metal cutting, grinding, deburring, and surface preparation. It is an ideal tool for automotive technicians working on vehicle chassis or exhaust systems, as well as industrial mechanics performing maintenance, fabrication, or rust removal on various materials.

Specifications

  • Model Number: DCG400S2
  • Voltage: 20V MAX*
  • Wheel Diameter: 4 inches
  • No-Load RPM: 12,500
  • Motor Output: 755 MWO
Only 6 left in stock - order soon
List: $899.99 Save: $226.82

$673.17

Add to Cart:
  • DeWALT
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  • Model: 423844
  • Shipping Weight: 8.64lbs
  • UPC: 885911969925
  • Manufacturers Part #: DCG400S2
  • Manufactured by: DeWALT
  • Also Known As: DWTDCG400S2

This product was added to our catalog on Tuesday 12 May, 2026.

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