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DEWALT logo with yellow text on a black background.

Built to change the way you work

There are no limits to your job's demands. So, stop being limited by cords and air hoses. ATOMIC™ 20V MAX* fabrication tools give you the freedom to work anywhere in a compact size and even deliver more power than pneumatic fabrication tools**.
A group of DEWALT cordless power tools, including grinders and rotary tools, are displayed on a workbench in an industrial workshop setting.
A person wearing protective gloves and clothing uses a DEWALT cordless angle grinder to cut or grind a metal pipe, with sparks flying from the operation.

Powerful performance

For various applications, DCG400 delivers up to 44% more power than 0.7 HP rated pneumatic angle grinders***.
A person wearing protective gear is using a DEWALT tool to work inside a large metal pipe, with a background of square metal tubes organized on shelves in an industrial setting.

Compact ergonomic design

Ideal for tight spaces, DCG420X is 30% smaller than the DEWALT® DCG426B Die Grinder‡.
A person wearing protective gear operates a DEWALT DCG430GE2 cordless angle grinder, generating sparks while cutting metal inside an industrial workshop.

Productivity and control

Part of the DEWALT® 20V MAX* System, the cordless design eliminates hoses for fewer restrictions and has a built-in anti-rotation control feature.

See for yourself how ATOMIC™ Fabric…

A major industry breakthrough

Factory worker with face shield. For DEWALT videos: DCG432X, DCG430, DCG420X.

Built To Change The Way You Work

A DEWALT 20V cordless brushless rotary tool, model DCG420B, shown with a black and yellow design. The tool is designed for precision work in various applications and does not include a battery.
DCG420B

ATOMIC™ 20V MAX* Die Grinder (Tool Only)

More options available

The freedom to work anywhere

A person wearing protective gloves operates a DEWALT cordless angle grinder, working on a piece of metal in an industrial setting.

Weld Processing

Remove excess material, prep, and clean welds with control.
A person wearing protective gloves uses a DEWALT cordless angle grinder to grind the edge of a metal workpiece, producing sparks.

Beveling and Deburring

Smooth plate and pipe edges for seamless welded connections.
A person wearing safety gear uses a DEWALT cordless power tool to grind a metal pipe, creating sparks. The scene is set in an industrial workshop with overhead lighting and other equipment visible.

Cutting

Cut and prep plate, pipe, sheet, or tacks with precision, every time.
Person wearing protective gear uses a DEWALT power tool to work on a large metal pipe in an industrial setting.

Pipe Fabrication

Maneuver with ease to cut, prep, connect, and finish pipe assemblies.
A person wearing protective gloves and a helmet is using a DEWALT power tool to grind or cut metal inside a vehicle body part in an industrial workshop. The environment includes other vehicle parts, equipment, and machinery in the background.

Automotive Fabrication

Remove material, prep surfaces, and finish welded attachments with precision.
A person wearing protective gloves and a helmet uses a yellow DEWALT angle grinder to cut metal, with sparks flying from the cutting area.

ATOMIC™ in action with Western Welding Academy

The students at Western Welding Academy tried out our game-changing lineup of ATOMIC™ 20X MAX* grinders and experienced the power and performance firsthand. Through hands-on training with our latest innovation, we aim to set the next generation of tradespeople up for success as they start their welding careers.

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Atomic™ 20V Max* fabrication tools

A person wearing gloves and a work jacket uses a yellow DEWALT cordless power tool to grind or deburr the edge of a large metal pipe in an industrial setting.

Promoting safe jobsites

Perform & Protect™

Designed to provide a high level of one or more of the following: dust containment, control, or low vibration, without sacrificing performance.

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Demand DEWALT®

Abrasives

DEWALT® offers a range of cutting and grinding accessories engineered to meet your high demands for performance and versatility.

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Assorted DEWALT abrasive cutting discs displayed in a workshop setting, arranged on metal bars, with visible product labels and specifications.

*Maximum initial battery voltage (measured without a workload) is 20 and 60 volts. Nominal voltage is 18 and 54.

** Based on MWO, for the following DEWALT® Atomic™ cordless grinders vs. pneumatic grinders of specified rated HP. DCG400 (using DCBP320 battery) vs. 0.7 HP rated pneumatic angle grinders. DCG402 (using DCBP320 battery) vs. 0.88 HP rated pneumatic 4.5” angle grinders.DCG420 (using DCBP034 battery) vs. 0.5 HP rated pneumatic die grinders. DCG422 (using DCBP520 battery) vs. 0.5 HP rated pneumatic die grinders. DCG430 (using DCBP034G battery) vs. 0.5 HP rated pneumatic 3 in. cut-off tools. DCG432X (using DCBP320 battery) vs. 0.9 HP rated pneumatic 4 in. extended cut-off tools. DCG420X (using DCBP034G battery) vs. 0.5 HP rated pneumatic die grinders.

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

‡ Tool only, based on volume vs. DCG408B Angle Grinder.