DeWalt DCG420E2 20V MAX cordless die grinder kit items arranged neatly against a white background featuring the yellow and black fabric contractor bag, a 4 amp DCB1104 multi-voltage battery charger, one 20V MAX XR PowerStack lithium-ion battery, and the brushless die grinder unit
DeWalt 20V MAX cordless brushless die grinder shown from a front three-quarter angle perspective highlighting the black 1/4-inch collet chuck head, yellow and black composite motor housing with a textured rubber grip grip, a paddle switch trigger, and a rear battery mounting foot tracking an onboard LED light ring layout
Infographic layout displaying a side profile blueprint of the DeWalt 20V MAX ATOMIC series die grinder detailing key product callouts including the Perform Protect anti-rotation system, integrated variable speed trigger, onboard LED light ring, quick-action electronic brake, a tool-free spindle lock, and the lock-off paddle switch framework
DeWalt DCG420E2 kit component breakdown chart displaying isolated product blocks including the DCG420B ATOMIC 20V MAX die grinder body, two DCBP034 compact XR PowerStack lithium-ion batteries, a DCB1104 4-amp multi-voltage charger, a yellow and black fabric contractor bag, an adjustment spanner wrench, and a 1/4-inch metal collet sleeve
DeWalt cordless 20V MAX die grinder profile view from the left side showing the sleek inline handle ergonomics, structural safety paddle switch trigger arrangement, rear air filter intake vents, and a yellow composite body casing featuring embossed brand labels and performance data badges
DeWalt 20V MAX brushless cordless die grinder profile view from the right side showcasing the yellow technical safety specification decal tracking UL and CUL compliance badges, alongside details regarding the 24500 RPM maximum velocity envelope and integrated Perform Protect anti-rotation engineering features
DeWalt ATOMIC series cordless brushless die grinder viewed from a low front three-quarter perspective detailing the dark rubber overmolded hand grip areas, an mechanical trigger lock-off lever, a black forward-facing exhaust nose piece casing, and a compact XR PowerStack lithium-ion battery pack slotted into the foot assembly
DeWalt 20V MAX cordless brushless die grinder shown from a low rear three-quarter perspective highlighting the base plate battery contact rails, rear ventilation pathways, structural yellow casing details, and the back housing face of the slotted compact 20V XR PowerStack lithium-ion battery module
Industrial on-site application graphic highlighting an operator wearing heavy leather safety gloves using the DeWalt 20V MAX ATOMIC compact series cordless die grinder fitted with a sharp rotary burr bit to smooth down inner metal joints inside a thick structural carbon steel channel channel with textual references stating the tool is 45 percent smaller than 18V competitive frameworks
Close-up action view of a metal fabricator utilizing the DeWalt 20V MAX cordless die grinder to grind down scale layers on a heavy steel pipe while an integrated bright onboard LED light ring brilliantly illuminates the focal contact zone under a textual overlay highlighting the integrated Perform Protect anti-rotation safety system
Industrial graphic showing a tradesperson wearing protective black nitrile gloves using the DeWalt 20V MAX ATOMIC cordless die grinder fitted with a thin abrasive wheel to cut sheet metal, producing bright orange friction sparks, under a promotional text layout highlighting that the brushless motor configuration delivers up to two times the power of compact competitive tool systems
Action close-up image showing the DeWalt 20V MAX cordless brushless die grinder cutting through structural metal fabrication pieces with a high-velocity 2-inch cutting wheel, generating a stream of hot sparks, paired with technical descriptive text emphasizing the integrated quick-action electronic brake safety feature designed to stop accessory rotation in under one second
Product compatibility infographic featuring the official DeWalt 20V MAX system compatible emblem positioned above an array of high-capacity lithium-ion battery packs, including standard 2 Ah, 5 Ah PowerStack, 8 Ah PowerPack, and large multi-voltage 9 Ah FlexVolt battery modules against a dark gray backdrop
Official branding logo graphic for the DeWalt ATOMIC compact series power tool line displayed as a clean white and gold stylized text block centered on a solid high-visibility industrial yellow background
DEWALT® 20V MAX* ATOMIC COMPACT SERIES™: WHERE SIZE MEETS POWER™ promotional video
DeWalt DCG420E2 20V MAX cordless die grinder kit items arranged neatly against a white background featuring the yellow and black fabric contractor bag, a 4 amp DCB1104 multi-voltage battery charger, one 20V MAX XR PowerStack lithium-ion battery, and the brushless die grinder unit
DeWalt 20V MAX cordless brushless die grinder shown from a front three-quarter angle perspective highlighting the black 1/4-inch collet chuck head, yellow and black composite motor housing with a textured rubber grip grip, a paddle switch trigger, and a rear battery mounting foot tracking an onboard LED light ring layout
Infographic layout displaying a side profile blueprint of the DeWalt 20V MAX ATOMIC series die grinder detailing key product callouts including the Perform Protect anti-rotation system, integrated variable speed trigger, onboard LED light ring, quick-action electronic brake, a tool-free spindle lock, and the lock-off paddle switch framework
DeWalt DCG420E2 kit component breakdown chart displaying isolated product blocks including the DCG420B ATOMIC 20V MAX die grinder body, two DCBP034 compact XR PowerStack lithium-ion batteries, a DCB1104 4-amp multi-voltage charger, a yellow and black fabric contractor bag, an adjustment spanner wrench, and a 1/4-inch metal collet sleeve
DeWalt cordless 20V MAX die grinder profile view from the left side showing the sleek inline handle ergonomics, structural safety paddle switch trigger arrangement, rear air filter intake vents, and a yellow composite body casing featuring embossed brand labels and performance data badges
DeWalt 20V MAX brushless cordless die grinder profile view from the right side showcasing the yellow technical safety specification decal tracking UL and CUL compliance badges, alongside details regarding the 24500 RPM maximum velocity envelope and integrated Perform Protect anti-rotation engineering features
DeWalt ATOMIC series cordless brushless die grinder viewed from a low front three-quarter perspective detailing the dark rubber overmolded hand grip areas, an mechanical trigger lock-off lever, a black forward-facing exhaust nose piece casing, and a compact XR PowerStack lithium-ion battery pack slotted into the foot assembly
DeWalt 20V MAX cordless brushless die grinder shown from a low rear three-quarter perspective highlighting the base plate battery contact rails, rear ventilation pathways, structural yellow casing details, and the back housing face of the slotted compact 20V XR PowerStack lithium-ion battery module
Industrial on-site application graphic highlighting an operator wearing heavy leather safety gloves using the DeWalt 20V MAX ATOMIC compact series cordless die grinder fitted with a sharp rotary burr bit to smooth down inner metal joints inside a thick structural carbon steel channel channel with textual references stating the tool is 45 percent smaller than 18V competitive frameworks
Close-up action view of a metal fabricator utilizing the DeWalt 20V MAX cordless die grinder to grind down scale layers on a heavy steel pipe while an integrated bright onboard LED light ring brilliantly illuminates the focal contact zone under a textual overlay highlighting the integrated Perform Protect anti-rotation safety system
Industrial graphic showing a tradesperson wearing protective black nitrile gloves using the DeWalt 20V MAX ATOMIC cordless die grinder fitted with a thin abrasive wheel to cut sheet metal, producing bright orange friction sparks, under a promotional text layout highlighting that the brushless motor configuration delivers up to two times the power of compact competitive tool systems
Action close-up image showing the DeWalt 20V MAX cordless brushless die grinder cutting through structural metal fabrication pieces with a high-velocity 2-inch cutting wheel, generating a stream of hot sparks, paired with technical descriptive text emphasizing the integrated quick-action electronic brake safety feature designed to stop accessory rotation in under one second
Product compatibility infographic featuring the official DeWalt 20V MAX system compatible emblem positioned above an array of high-capacity lithium-ion battery packs, including standard 2 Ah, 5 Ah PowerStack, 8 Ah PowerPack, and large multi-voltage 9 Ah FlexVolt battery modules against a dark gray backdrop
Official branding logo graphic for the DeWalt ATOMIC compact series power tool line displayed as a clean white and gold stylized text block centered on a solid high-visibility industrial yellow background
DEWALT® 20V MAX* ATOMIC COMPACT SERIES™: WHERE SIZE MEETS POWER™ promotional video
DEWALT

DeWalt Die Grinder DCG420E2 20V MAX Cordless Power Tool Kit (Brushless Motor 24500 RPM Variable Speed Anti Rotation Control XR PowerStack Batteries)

In stock
SKU: DCG420E2
$399.00 USD

Description

Authorized Dealer Badge DEWALT logout

Brushless Cordless Die Grinding System with Anti Rotation and Electronic Brake Controls

The DeWalt DCG420E2 ATOMIC 20V MAX Cordless Brushless Die Grinder Kit is a compact, high-velocity surface preparation system engineered for heavy-duty metal deburring, weld blending, and clean-up tasks inside highly confined geometric profiles. Driven by an advanced brushless motor that outputs up to 445 Max Watts Out (MWO), this industrial tool delivers an adjustable speed profile hitting up to 24,500 RPM via a variable speed paddle trigger configuration. The technical assembly integrates an advanced anti-rotation sensor framework that instantly detects tool stalls or wheel binds to cut motor current, coupled with a responsive electronic brake designed to halt rotating accessories in less than one second upon trigger release. This system replaces traditional pneumatic setups with an untethered cordless architecture that delivers 19% more power than typical 0.5 HP air grinders while maintaining a slim, ergonomic footprint that is 45% smaller than bulkier 18V options.

Best Used For:

  • Confined Metal Deburring: Reaming out sharp structural pipe inner diameters, smoothing rough weld seams, and grinding down interior edge geometries.
  • Cast Iron Mold Cleaning: Polishing heavy casting flashings, scouring scale layers, and resurfacing intricate metal fabrication channels.
  • Automotive Surface Blending: Porting engine intake manifolds, cleaning rust scaling from frame brackets, and preparing structural welds in tight bays.

Key Performance & Safety Features

  • Anti Rotation Sensor Protection: Proprietary safety intelligence shuts down motor output immediately during a wheel bind or pinch event to eliminate reactionary twist torque.
  • Variable Speed Paddle Trigger: Permits micro-adjustable speed mapping up to 24,500 RPM with a non-locking paddle layout that mirrors pneumatic tool operation.
  • Rapid Action Electronic Brake: Actively brings attached abrasive accessories to a complete standstill in under 1 second once the main switch is let go.
  • Integrated Spindle Lock: Mechanical spindle lockout framework allows operators to swap collet wheels quickly with a single wrench instead of dual-wrench systems.
  • Forward Direction Exhaust: Structural cooling ventilation redirects hot exhaust streams directly away from the operator to prevent the internal brushless core from overheating.
  • Onboard LED Work Light: Integrated high-visibility illumination array brightens shadow-heavy joint enclosures and dark internal pipe spaces.

What's Included

  • (1) DCG420 ATOMIC 20V MAX Cordless Brushless Die Grinder
  • (2) DCBP034 20V MAX XR PowerStack 1.7 Ah Compact Battery Packs
  • (1) DCB1104 System Battery Charger
  • (1) 1/4-Inch Industrial Collet
  • (1) Adjustment Wrench
  • (1) Heavy-Duty Storage Kit Bag

Technical Specifications

Product Type Cordless Die Grinder Kit
System Voltage 20V MAX
Motor Configuration Brushless Electronic
Maximum Power Output 445 MWO
Maximum Speed Rating 24,500 RPM
Trigger Switch Style Variable Speed Paddle (No Lock-On)
Collet Connection Size 1/4 in
Safety Brake Engagement Yes (Stops under 1 second)
Anti Rotation Sensor Yes
Battery Technology Type XR PowerStack Lithium-Ion
Battery Capacity Count (2) Batteries included, 1.7 Ah each
Spindle Lock Feature Yes (Single wrench accessory swaps)
Total Assembled Box Weight 6.9 lbs
Total Equipment Dimensions 14.7 x 9.8 x 4.8 in

Pro-Tip: If the integrated anti-rotation system triggers and cuts current due to an accidental wheel stall, note that cycling the tool's variable paddle switch on and off is mandatory to reset the internal power control board. This protective sequence avoids unexpected tool start-ups when preparing to clear out the cutting path.