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DEWALT logo with yellow text on a black background.
DCG407B

20V MAX* Brushless Cordless 4 1/2 in. Slide-Switch Grinder (Tool Only)

A DEWALT 20V brushless cordless angle grinder, shown in a side view with a yellow and black design, featuring a side handle and guard.

Reviews

Product details

Complete grinding applications with the 20V MAX* Brushless Cordless 4.5 in. Slide-Switch Grinder that maintains constant speed under load. Equipped with overload protection and an efficient brushless motor, this cordless tool accommodates 4 in. - 5 in. wheels and includes both Type A and Type B guards to help provide 62841 Compliance. Designed for versatility and durability, this grinder features mesh screens that help prevent debris that can cause damage from entering internal components. Offering slide-switch operation for continual use, the 20V MAX* Brushless Cordless 4.5 in. Slide-Switch Grinder is ideal for tough days on the job (battery and charger are sold separately).||Complete grinding applications with the 20V MAX* Brushless Cordless 4.5 in. Slide-Switch Grinder that maintains constant speed under load. Equipped with overload protection and an efficient brushless motor, this cordless tool accommodates 4 in. - 5 in. wheels and includes both Type A and Type B guards to help provide 62841 Compliance. Designed for versatility and durability, this grinder features mesh screens that help prevent debris that can cause damage from entering internal components. Offering slide-switch operation for continual use, the 20V MAX* Brushless Cordless 4.5 in. Slide-Switch Grinder is ideal for tough days on the job (battery and charger are sold separately).

  • Run Time - Up to 56 cuts of 1/2 " rebar**
  • PERFORM & PROTECT™ - This grinder is equipped with ANTI-ROTATION features including a KICKBACK BRAKE™ and E-CLUTCH.
  • Powerful Performance - Take on tough jobs with a brushless motor engineered to deliver up to 850 MWO and up to 9,000 RPM (no load).
  • Ergonomic & Lightweight - This grinder is light weight, 3.55 LBs (Bare Tool) to help prevent fatigue
  • Brushless Motor - Maintains constant speed under load and minimizes maintenance with an efficient brushless motor that doesn't require brush changes.

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

  • (1) DCG407 4 1/2 in. Grinder
  • (1) Side Handle
  • (1) Clip-On Guard
  • (1) Inner & Outer Flange
  • (1) Hex Wrench

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

* **Per charge, using DCB205 battery and DW8062 cutting wheel (battery and cutting wheel sold separately).

Downloads and manuals

Instruction Manual, Type 1
NA532201_DCG407_DCG408_T1_NA.pdf
PDF
Exploded Diagram, Type 1
NA542902_DCG407_T1.svg
SVG
Exploded Diagram, Type 1
NA542902_DCG407_T1_20250422.svg
SVG
Exploded Diagram, Type 1
NA542902_DCG407_T1_NA_EU_20250507.svg
SVG
Exploded Diagram, Type 1
NA542902_DCG407_Asia_T1_20250507.svg
SVG

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