DEWALT 4-1/2 inch angle grinder model DWE4120 featuring a yellow and black ergonomic body with a 9 amp motor and a side handle for stable metal grinding and cutting.
Left side profile of the DEWALT DWE4120 small angle grinder showing the paddle switch design, adjustable one-touch guard, and manufacturer specifications label on the motor housing.
Top-down view of the DEWALT 4.5 inch corded angle grinder highlighting the slim body design and the top-mounted spindle lock button for quick wheel changes.
Infographic of the DEWALT DWE4120 grinder pointing out the 9 amp motor, the one-touch guard system, and the quick-change wheel release feature for tool-free accessory swaps.
Side view of the DEWALT DWE4120 high performance grinder emphasizing the low-profile jam-pot gear case designed for better durability and access to tight workspaces.
DEWALT 9 amp small angle grinder showcasing the removable 2-position side handle which provides increased comfort and control for various grinding applications.
Studio shot of the DEWALT DWE4120 angle grinder with an installed grinding wheel and the one-touch guard rotated to demonstrate the 360-degree protection feature.
DEWALT 4-1/2 inch metal grinding tool with a focus on the one-touch guard that allows for easy tool-free rotation to redirect sparks during operation.
DEWALT DWE4120 corded grinder highlighting the high-speed overload protection technology designed to prevent motor damage during heavy-duty material removal.
Action shot of a professional contractor using the DEWALT DWE4120 paddle switch angle grinder to grind metal railings in a tight space, demonstrating the tool's compact maneuverability.
DEWALT® Product Guides - Grinder Basics promotional how to video
DEWALT 4-1/2 inch angle grinder model DWE4120 featuring a yellow and black ergonomic body with a 9 amp motor and a side handle for stable metal grinding and cutting.
Left side profile of the DEWALT DWE4120 small angle grinder showing the paddle switch design, adjustable one-touch guard, and manufacturer specifications label on the motor housing.
Top-down view of the DEWALT 4.5 inch corded angle grinder highlighting the slim body design and the top-mounted spindle lock button for quick wheel changes.
Infographic of the DEWALT DWE4120 grinder pointing out the 9 amp motor, the one-touch guard system, and the quick-change wheel release feature for tool-free accessory swaps.
Side view of the DEWALT DWE4120 high performance grinder emphasizing the low-profile jam-pot gear case designed for better durability and access to tight workspaces.
DEWALT 9 amp small angle grinder showcasing the removable 2-position side handle which provides increased comfort and control for various grinding applications.
Studio shot of the DEWALT DWE4120 angle grinder with an installed grinding wheel and the one-touch guard rotated to demonstrate the 360-degree protection feature.
DEWALT 4-1/2 inch metal grinding tool with a focus on the one-touch guard that allows for easy tool-free rotation to redirect sparks during operation.
DEWALT DWE4120 corded grinder highlighting the high-speed overload protection technology designed to prevent motor damage during heavy-duty material removal.
Action shot of a professional contractor using the DEWALT DWE4120 paddle switch angle grinder to grind metal railings in a tight space, demonstrating the tool's compact maneuverability.
DEWALT® Product Guides - Grinder Basics promotional how to video
DEWALT

DEWALT 4-1/2 Inch Angle Grinder DWE4120 9 Amp Small Paddle Switch Metal Cutting Tool (12000 RPM 5/8-11 Spindle Compact High-Performance Grinding Polishing)

Only 2 left
SKU: DWE4120
$84.00 USD

Description

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The DEWALT DWE4120 is a 4-1/2 inch corded small angle grinder powered by a 9 Amp AC/DC motor that delivers 12,000 RPM for professional-grade material removal and metal surface preparation. Featuring a slim, ergonomic paddle switch design, this tool ensures precise control and reduced fatigue during extended operation in confined workspaces. Its integrated Quick-Change wheel release and One-Touch guard system streamline job-site efficiency by eliminating the need for additional wrenches.

Best Used For:

  • Metal Fabrication: Efficiently grinding down welds and smoothing rough steel edges.
  • Pipe Cutting: Precision cutting of metal piping and conduit in tight, hard-to-reach areas.
  • Surface Preparation: Rapidly removing rust, paint, or oxidation from metal surfaces before coating or welding.

Key Performance & Safety Features

  • High-Output Motor: Powerful 9 Amp AC/DC architecture provides 12,000 RPM for rapid material removal.
  • Ergonomic Handling: Slim body profile designed to minimize operator fatigue during long-duration tasks.
  • Tool-Free Adjustments: One-Touch Guard allows 360-degree rotation, while the Quick-Change release enables rapid accessory swaps.
  • Compact Durability: Low-profile "jam-pot" gear case increases longevity while providing access to cramped workspaces.
  • Versatile Control: Includes a 2-position removable side handle for improved stability and comfort.

What's Included

  • (1) DWE4120 4-1/2 Inch Paddle Switch Small Angle Grinder
  • (1) Wrench
  • (1) One-Touch Guard
  • (1) 2-Position Side Handle

Technical Specifications

Product Type: Angle Grinder
Motor Power: 9 Amps
Maximum Speed: 12,000 RPM
Wheel Diameter: 4-1/2 Inches
Switch Type: Paddle Switch
Spindle Thread: 5/8 in - 11
Power Source: Corded (AC/DC)
Assembled Length: 15.5 Inches
Assembled Width: 6.13 Inches
Assembled Height: 4.6 Inches
Assembled Weight: 5.65 lbs
Country of Origin: India

Pro-Tip: Always allow the grinder to reach full operating speed before making contact with the workpiece to prevent binding and ensure the cleanest cut possible.