DEWALT DWE402N 4.5 inch small angle grinder with an ergonomic yellow body silver metal gear housing black adjustable side handle and a black wheel guard on a clean white background
Side profile view of the yellow and black DEWALT DWE402N corded small angle grinder showing the paddle switch mechanism and the 11000 RPM text printed on the motor housing
Product diagram of the DEWALT DWE402N angle grinder pointing out key performance parts including the quick change wheel release 11 amp motor 11000 RPM dust ejection system and one touch guard
DEWALT DWE402N retail package contents graphic listing the small angle grinder with no lock on one touch guard 2 position side handle and spanner wrench over a product photograph
Close up view of the back intake vent on the DEWALT DWE402N angle grinder highlighting the proprietary dust ejection system designed to prevent internal motor and tool damage from debris
Top down view of the silver low profile gear case on the DEWALT DWE402N illustrating the one touch guard system that rotates 360 degrees for enhanced wheel protection adjustment
Metal fabricator using the compact DEWALT DWE402N angle grinder to cut through a thick iron pipe throwing bright orange sparks across a professional industrial jobsite workshop
Professional contractor using the high power 11 amp motor of the DEWALT DWE402N grinder with an abrasive wheel disc to clean and flush smooth a heavy metal weld joint on a steel plate
Close up of a tradesman utilizing the low profile gear case of the DEWALT DWE402N to access tight spaces while grind shading the inner edge of an structural steel angle iron beam
Worker using a sanding flap disc accessory attached to the DEWALT DWE402N paddle switch grinder to perform surface preparation and metal conditioning on a fabricated steel frame assembly
Professional metalworker wearing safety gloves using the DEWALT DWE402N small angle grinder to bevel the edge of a structural steel square tube throwing a stream of orange sparks across the fabrication shop
Close up view of the silver low profile gear case on the DEWALT DWE402N corded electric angle grinder as an operator grinds down the inner lip of a steel structural angle iron beam
Tradesman in a dark industrial workshop using a yellow DEWALT DWE402N paddle switch grinder with a protective wheel guard to cut through a thick cylindrical carbon steel pipe
A welder wearing a full face shield and heavy duty leather gloves uses the DEWALT DWE402N power grinder with a wire cup brush to clean up slag along a large welded steel pipe joint
Close up of a mason kneeling on a brick patio using the DEWALT DWE402N 4.5 inch angle grinder with a diamond masonry blade to score and cut a red concrete paving stone producing fine dust
Construction worker wearing heavy canvas overalls using the DEWALT DWE402N handheld grinder to cut off protruding steel rebar reinforcing rods flush with the top of a gray concrete block wall
An industrial fabricator utilizes the high power 11 amp motor of the DEWALT DWE402N angle grinder to smooth out structural metal weld beads on a round steel pipe throwing bright sparks upward
DEWALT® Product Guides - Grinder Basics promotional how to video
DEWALT DWE402N 4.5 inch small angle grinder with an ergonomic yellow body silver metal gear housing black adjustable side handle and a black wheel guard on a clean white background
Side profile view of the yellow and black DEWALT DWE402N corded small angle grinder showing the paddle switch mechanism and the 11000 RPM text printed on the motor housing
Product diagram of the DEWALT DWE402N angle grinder pointing out key performance parts including the quick change wheel release 11 amp motor 11000 RPM dust ejection system and one touch guard
DEWALT DWE402N retail package contents graphic listing the small angle grinder with no lock on one touch guard 2 position side handle and spanner wrench over a product photograph
Close up view of the back intake vent on the DEWALT DWE402N angle grinder highlighting the proprietary dust ejection system designed to prevent internal motor and tool damage from debris
Top down view of the silver low profile gear case on the DEWALT DWE402N illustrating the one touch guard system that rotates 360 degrees for enhanced wheel protection adjustment
Metal fabricator using the compact DEWALT DWE402N angle grinder to cut through a thick iron pipe throwing bright orange sparks across a professional industrial jobsite workshop
Professional contractor using the high power 11 amp motor of the DEWALT DWE402N grinder with an abrasive wheel disc to clean and flush smooth a heavy metal weld joint on a steel plate
Close up of a tradesman utilizing the low profile gear case of the DEWALT DWE402N to access tight spaces while grind shading the inner edge of an structural steel angle iron beam
Worker using a sanding flap disc accessory attached to the DEWALT DWE402N paddle switch grinder to perform surface preparation and metal conditioning on a fabricated steel frame assembly
Professional metalworker wearing safety gloves using the DEWALT DWE402N small angle grinder to bevel the edge of a structural steel square tube throwing a stream of orange sparks across the fabrication shop
Close up view of the silver low profile gear case on the DEWALT DWE402N corded electric angle grinder as an operator grinds down the inner lip of a steel structural angle iron beam
Tradesman in a dark industrial workshop using a yellow DEWALT DWE402N paddle switch grinder with a protective wheel guard to cut through a thick cylindrical carbon steel pipe
A welder wearing a full face shield and heavy duty leather gloves uses the DEWALT DWE402N power grinder with a wire cup brush to clean up slag along a large welded steel pipe joint
Close up of a mason kneeling on a brick patio using the DEWALT DWE402N 4.5 inch angle grinder with a diamond masonry blade to score and cut a red concrete paving stone producing fine dust
Construction worker wearing heavy canvas overalls using the DEWALT DWE402N handheld grinder to cut off protruding steel rebar reinforcing rods flush with the top of a gray concrete block wall
An industrial fabricator utilizes the high power 11 amp motor of the DEWALT DWE402N angle grinder to smooth out structural metal weld beads on a round steel pipe throwing bright sparks upward
DEWALT® Product Guides - Grinder Basics promotional how to video
DEWALT

DEWALT 4.5 Inch Small Angle Grinder DWE402N 11 Amp 11000 RPM Corded Paddle Switch Surface Preparation and Weld Grinding

In stock
SKU: DWE402N
$94.89 USD

Description

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High-Efficiency Material Removal and Surface Preparation The DEWALT DWE402N 4.5-Inch Small Angle Grinder delivers professional-grade cutting and grinding power with an 11 Amp AC/DC motor that generates 11,000 RPM for rapid material removal on demanding jobsites. Built with an advanced Dust Ejection System, this tool expels damaging debris to safeguard internal components and extend transmission life. The integrated paddle switch features a safety lock-off mechanism to eliminate accidental startups, ensuring maximum operator safety during continuous industrial applications.

Best Used For:

  • Weld Smoothing and Bead Blending: Rapidly cleans up structural welds, removes slag, and flushes joints across carbon and stainless steel plates.
  • Metal Fabrication and Cutting: Slices through rebar, angle iron, structural steel pipes, and sheet metal when paired with compatible abrasive cutoff wheels.
  • Concrete and Masonry Grinding: Surfaces stone, clears mortar joints, and scores concrete floors using diamond cup wheels or masonry discs.

Key Performance & Safety Features

  • 11 Amp AC/DC Motor: Engineered to provide 11,000 RPM, delivering an optimized power-to-weight ratio for heavy-duty commercial operations.
  • Dust Ejection System: Automatically ejects harmful dust and grit particles that enter the intake vents, significantly increasing overall tool durability.
  • Paddle Switch with Safety Lock-Off: Prevents accidental activation while ensuring the tool immediately powers down when the switch is released.
  • One-Touch Guard: Allows for rapid, 360-degree guard rotation via a single action without requiring additional alignment tools.
  • Quick-Change Wheel Release: Facilitates completely tool-free wheel removal and disc changes, eliminating the need for a traditional spanner wrench.
  • Auto-Off Brushes: Safely shuts down the motor automatically when the oversized carbon brushes reach their wear limit to prevent internal armature damage.

What's Included

  • (1) 4.5-Inch One-Touch™ (T27) Guard
  • (1) Spanner Wrench
  • (1) 2-Position Side Handle

Technical Specifications

Product Type Angle Grinder
Power Source Corded Electric (AC/DC)
Amperage 11.0 A
Maximum Speed 11,000 RPM
Wheel Diameter 4.5 in
Switch Type Paddle Switch (No Lock-On)
Variable Speed No
Assembled Product Length 15.25 in
Assembled Product Width 6.13 in
Assembled Product Height 4.88 in
Assembled Product Weight 6.25 lbs
Total Piece Count 1

Pro-Tip: To maximize the lifespan of your grinding discs and avoid unnecessary motor strain, let the tool reach its full 11,000 RPM threshold before contacting the metal surface, and maintain a consistent 15 to 30-degree working angle during weld blending.