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20V MAX* Brushless Cordless 4 1/2-in. Paddle-Switch Grinder - DeWALT

Part #: DCG408B

The DeWALT DCG408B 20V MAX* Brushless Cordless 4 1/2-in. Paddle-Switch Grinder provides professional-grade power and advanced safety features for demanding automotive and industrial applications. Engineered for durability and efficiency, this tool offers the robust performance needed for tough cutting and grinding tasks in various work environments. Its brushless motor design ensures consistent operation and reduced maintenance, making it a reliable choice for professional technicians and mechanics.

Key Features

  • Powerful Brushless Motor: Delivers up to 850 MWO and 9,000 RPM (no-load), maintaining constant speed under load for efficient cutting and grinding of materials such as 1/2-inch rebar.
  • PERFORM & PROTECT™ System: Equipped with anti-rotation features including a Kickback Brake and E-CLUTCH®, designed to enhance user control and help reduce the risk of accidental rotation in bind-up situations.
  • Intuitive Paddle Switch Operation: Features an intuitive paddle switch that allows users to quickly shut off and activate the grinder as needed, aiding in the prevention of accidental start-ups.
  • Versatile Wheel Acceptance: Accommodates common regional market requirements with 4-inch to 5-inch wheel acceptance, suitable for a wide range of grinding and cutting applications.
  • Quick-Change Guard Removal: Enables rapid, tool-free guard adjustments and removal, minimizing downtime and improving workflow efficiency on the job site.
  • Durable Engineering: Integrated mesh screens help block debris from entering the motor's internal components, contributing to the longevity and reliability of the tool in harsh working conditions.

Applications

This professional-grade cordless grinder is suitable for a variety of tasks encountered by technicians and mechanics. Common applications include cutting metal pipes, rebar, and bolts, grinding welds, surface preparation for paint or welding, and general material removal in automotive repair, fabrication shops, and maintenance operations. Its portability makes it an ideal solution for working in confined spaces or areas without immediate access to power outlets.

We have 15 in stock
List: $299.99 Save: $55.60

$244.39

Add to Cart:
  • DeWALT
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    DeWALT Homepage
  • Model: 423847
  • Shipping Weight: 4.83lbs
  • UPC: 885911954136
  • Manufacturers Part #: DCG408B
  • Manufactured by: DeWALT
  • Also Known As: DWTDCG408B, DWDCG408B

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

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