Full kit layout of the DEWALT ATOMIC DCG420XGE2 20V MAX Extended Die Grinder Kit featuring the cordless metalworking tool, two 1.7 Amp Hour batteries, battery charger, and yellow contractor bag for mobile jobsite transport.
Angled side profile of the DEWALT 20V MAX Extended Die Grinder DCG420X equipped with a 1.7 Amp Hour XR battery highlighting the slim neck design and paddle switch for narrow space access in metal fabrication.
Technical specification diagram of the DEWALT ATOMIC DCG420XGE2 Cordless Die Grinder detailing the electronic brake, variable speed up to 24500 RPM, anti-rotation system, onboard LED, and paddle switch features.
Visual inventory breakdown of the DEWALT DCG420XGE2 kit inclusions displaying the extended die grinder, two 20V MAX XR 1.7AH oil-resistant batteries, 4 Amp charger, contractor bag, wrench, and quarter inch collet.
Straight side view of the DEWALT brushless extended die grinder cordless metalworking tool with battery attached emphasizing the elongated spindle neck engineered for deep recess grinding and deburring.
Left side angled perspective of the DEWALT 20V MAX Extended Die Grinder DCG420X showing the ergonomic grip, lock-off paddle switch, and quarter inch collet ready for industrial metalworking accessories.
Top down profile of the DEWALT ATOMIC 20V MAX Extended Die Grinder highlighting the slim brushless motor housing and attached XR lithium-ion battery pack for balanced operation in tight spaces.
Close up rear angle of the DEWALT DCG420XGE2 die grinder focusing on the 20V MAX XR 1.7 Amp Hour oil-resistant battery pack and the protective rear exhaust vents designed to help direct air away from the user.
Professional contractor operating the DEWALT extended die grinder on a steel pipe weld demonstrating the integrated anti-rotation system safety feature during high torque metalworking applications.
Metalworker utilizing the thirty percent smaller neck of the DEWALT ATOMIC 20V MAX extended die grinder to access and grind a narrow internal corner weld on a structural steel fabrication.
Close-up of the DEWALT ATOMIC 20V MAX extended die grinder operating inside a metal pipe with overlay text highlighting the electronic brake that stops the wheel in less than one second.
Worker using the DEWALT DCG420X 20V MAX cordless die grinder on a car chassis with overlay text stating it delivers up to 20 percent more power than 0.5 HP pneumatic die grinders.
Display of the DEWALT ATOMIC Compact Series power tool family including the 20V MAX extended die grinder with text reading where size meets power.
Graphic showing a blue DEWALT Tool Connect chip over a construction site background indicating the ATOMIC 20V MAX extended die grinder is chip ready for asset tracking.
Professional metalworker wearing a face shield using the DEWALT ATOMIC 20V MAX extended die grinder to access and grind the inside of a large steel pipe fitting.
Fabricator in a metal shop using the DEWALT DCG420XGE2 20V MAX extended die grinder to polish an exterior weld on a heavy structural steel pipe.
Automotive mechanic utilizing the extended narrow neck of the DEWALT ATOMIC 20V MAX die grinder to grind a recessed weld inside a vehicle door frame.
Close-up of a worker operating the DEWALT 20V MAX cordless extended die grinder equipped with a grinding bit to finish an inside corner weld on a steel frame.
DEWALT® 20V MAX* ATOMIC COMPACT SERIES™: WHERE SIZE MEETS POWER™ promotional video
Full kit layout of the DEWALT ATOMIC DCG420XGE2 20V MAX Extended Die Grinder Kit featuring the cordless metalworking tool, two 1.7 Amp Hour batteries, battery charger, and yellow contractor bag for mobile jobsite transport.
Angled side profile of the DEWALT 20V MAX Extended Die Grinder DCG420X equipped with a 1.7 Amp Hour XR battery highlighting the slim neck design and paddle switch for narrow space access in metal fabrication.
Technical specification diagram of the DEWALT ATOMIC DCG420XGE2 Cordless Die Grinder detailing the electronic brake, variable speed up to 24500 RPM, anti-rotation system, onboard LED, and paddle switch features.
Visual inventory breakdown of the DEWALT DCG420XGE2 kit inclusions displaying the extended die grinder, two 20V MAX XR 1.7AH oil-resistant batteries, 4 Amp charger, contractor bag, wrench, and quarter inch collet.
Straight side view of the DEWALT brushless extended die grinder cordless metalworking tool with battery attached emphasizing the elongated spindle neck engineered for deep recess grinding and deburring.
Left side angled perspective of the DEWALT 20V MAX Extended Die Grinder DCG420X showing the ergonomic grip, lock-off paddle switch, and quarter inch collet ready for industrial metalworking accessories.
Top down profile of the DEWALT ATOMIC 20V MAX Extended Die Grinder highlighting the slim brushless motor housing and attached XR lithium-ion battery pack for balanced operation in tight spaces.
Close up rear angle of the DEWALT DCG420XGE2 die grinder focusing on the 20V MAX XR 1.7 Amp Hour oil-resistant battery pack and the protective rear exhaust vents designed to help direct air away from the user.
Professional contractor operating the DEWALT extended die grinder on a steel pipe weld demonstrating the integrated anti-rotation system safety feature during high torque metalworking applications.
Metalworker utilizing the thirty percent smaller neck of the DEWALT ATOMIC 20V MAX extended die grinder to access and grind a narrow internal corner weld on a structural steel fabrication.
Close-up of the DEWALT ATOMIC 20V MAX extended die grinder operating inside a metal pipe with overlay text highlighting the electronic brake that stops the wheel in less than one second.
Worker using the DEWALT DCG420X 20V MAX cordless die grinder on a car chassis with overlay text stating it delivers up to 20 percent more power than 0.5 HP pneumatic die grinders.
Display of the DEWALT ATOMIC Compact Series power tool family including the 20V MAX extended die grinder with text reading where size meets power.
Graphic showing a blue DEWALT Tool Connect chip over a construction site background indicating the ATOMIC 20V MAX extended die grinder is chip ready for asset tracking.
Professional metalworker wearing a face shield using the DEWALT ATOMIC 20V MAX extended die grinder to access and grind the inside of a large steel pipe fitting.
Fabricator in a metal shop using the DEWALT DCG420XGE2 20V MAX extended die grinder to polish an exterior weld on a heavy structural steel pipe.
Automotive mechanic utilizing the extended narrow neck of the DEWALT ATOMIC 20V MAX die grinder to grind a recessed weld inside a vehicle door frame.
Close-up of a worker operating the DEWALT 20V MAX cordless extended die grinder equipped with a grinding bit to finish an inside corner weld on a steel frame.
DEWALT® 20V MAX* ATOMIC COMPACT SERIES™: WHERE SIZE MEETS POWER™ promotional video
DEWALT

DEWALT ATOMIC DCG420XGE2 20V MAX Extended Die Grinder Kit Cordless Metalworking Tool (24500 RPM 1.7 Amp Hour Anti Rotation System Narrow Space Access)

In stock
SKU: DCG420XGE2
$699.00 USD

Description

Authorized Dealer Badge DEWALT logout

The DEWALT ATOMIC 20V MAX Extended Die Grinder Kit DCG420XGE2 delivers up to 24500 RPM of cordless rotational power for intricate metalworking applications in confined spaces. Engineered with a thirty five percent slimmer neck than standard grinders this tool provides pneumatic level performance exceeding zero point five horsepower equivalents without hose tethering constraints. An integrated anti rotation system and immediate electronic brake ensure maximum operator control and safety during high torque material removal operations.

Best Used For:

  • Confined Space Metalworking: Grinds and finishes interior pipe welds or recessed automotive components using the extended slim neck design.
  • Mobile Fabrication Processing: Deburrs and polishes structural steel on remote jobsites without requiring an active compressed air system.
  • Precision Material Removal: Carves and shapes heavy metals utilizing the variable speed trigger for exact RPM matching to the specific material density.

Key Performance & Safety Features

  • Anti-Rotation Technology: Internal sensor detects binding and shuts down the motor immediately to protect the operator from wrist injury.
  • Electronic Wheel Brake: Stops grinding accessories in less than one second after the paddle switch trigger is released to maintain continuous workflow safety.
  • Extended Slim Profile: Thirty five percent narrower neck architecture allows deeper access into tight channels and complex engine bays.
  • Variable Speed Control: Paddle switch modulation provides up to 24500 RPM under no load for precise material engagement and shaping.
  • Spindle Lock Mechanism: Eliminates the need for multiple wrenches by securing the collet for rapid single tool accessory changes.
  • Forward Exhaust Direction: Directs internal motor cooling air away from the user to prevent metallic dust blowback during heavy grinding operation.

What's Included

  • One DEWALT ATOMIC 20V MAX Extended Die Grinder (DCG420X)
  • Two 20V MAX XR Oil-Resistant 1.7 Amp Hour Batteries
  • One DCB1104 Battery Charger
  • One Quarter Inch Collet
  • One Collet Wrench
  • One Heavy Duty Kit Bag

Technical Specifications

Brand DEWALT
Model Number DCG420XGE2
Voltage 20V MAX
Maximum Speed 24,500 RPM (No-Load)
Collet Size 0.25 Inch
Power Source Cordless Battery
Batteries Included Two 1.7 Amp Hour XR Oil-Resistant
Assembled Length 21.06 Inches
Assembled Width 11.77 Inches
Assembled Height 4.53 Inches
Assembled Weight 8.82 Pounds
Connectivity Tool Connect Chip Ready

Pro-Tip: Pair the quarter inch collet with high quality carbide burrs for optimal material removal, and always ensure the Tool Connect Chip slot is sealed if not utilizing the smart tracking software in heavy dust environments.