DEWALT Angle Grinder, 4. vs DEWALT Angle Grinder
Updated April 2026 — DEWALT Angle Grinder, 4. wins on motor power and durability, DEWALT Angle Grinder wins on value and speed.
$94.00DEWALT Angle Grinder, 4.5 Inch, 11 Amp, 11,000 rpm, With Paddle Switch, Ergonomic Compact Design Grinder Tool (DWE402)
DEWALT
The {{PRODUCT_A_NAME}} edges out the {{PRODUCT_B_NAME}} for heavy-duty applications due to its superior 11 amp motor and enhanced durability features like the Dust Ejection System. However, the {{PRODUCT_B_NAME}} offers compelling value with a higher no-load speed and a significantly lower price point for general tasks.
Why DEWALT Angle Grinder, 4. is better
{{PRODUCT_A_NAME}} delivers higher torque with an 11 amp motor
11 amp vs 7 amp
{{PRODUCT_A_NAME}} features a Dust Ejection System for longevity
Ejects damaging dust particles
{{PRODUCT_A_NAME}} offers extended brush life
2 times the brush life of previous model
{{PRODUCT_A_NAME}} includes auto-off brushes to prevent damage
Shuts down when brushes need replacing
{{PRODUCT_A_NAME}} utilizes a paddle switch with lock-off
Prevents accidental start up
Why DEWALT Angle Grinder is better
{{PRODUCT_B_NAME}} achieves faster material removal speed
12,000 rpm vs 11,000 rpm
{{PRODUCT_B_NAME}} is more budget-friendly
$69.00 vs $94.00
{{PRODUCT_B_NAME}} includes a hex wrench for adjustments
Replaces spanner wrench
{{PRODUCT_B_NAME}} offers flexible handle positioning
2-position removable side handle
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 4. | DEWALT Angle Grinder |
|---|---|---|
| Motor Amperage | 11 amp | 7 amp |
| No-Load Speed | 11,000 rpm | 12,000 rpm |
| Price | $94.00 | $69.00 |
| Guard Adjustment | One-Touch 360-degree | One-Touch |
| Wheel Release | Quick-Change tool-free | Quick-Change tool-free |
| Switch Type | Paddle with safety lock-off | Not specified |
| Brush Life | 2 times previous model | Not specified |
| Dust Protection | Dust Ejection System | Not specified |
Dimension comparison
Introduction
When selecting an angle grinder for professional or DIY projects, the choice often comes down to balancing raw power with budget constraints. This comparison examines two distinct offerings from DEWALT. The {{PRODUCT_A_NAME}} is positioned as a robust tool with next-generation motor technology, while the {{PRODUCT_B_NAME}} focuses on efficient material removal at a more accessible price point. Both tools share the brand's reputation for durability, but they target slightly different user needs within the 4-1/2-inch grinder category.
Motor Power and Performance
The core difference between these tools lies in their motor specifications. The {{PRODUCT_A_NAME}} is equipped with an 11 amp AC/DC motor, designed to provide a superior power-to-weight ratio. This higher amperage generally translates to better performance under load, making it suitable for tougher grinding applications. In contrast, the {{PRODUCT_B_NAME}} utilizes a 7 amp AC/DC motor. While less powerful in terms of torque, it compensates with a higher no-load speed of 12,000 rpm compared to the 11,000 rpm of the {{PRODUCT_A_NAME}}. This makes the {{PRODUCT_B_NAME}} potentially faster for lighter cutting tasks where overload protection is less critical.
Durability and Build Quality
Longevity is a critical factor for power tools, and the {{PRODUCT_A_NAME}} incorporates several features to extend its operational life. It includes a Dust Ejection System that actively ejects damaging dust and debris particles that enter the tool, protecting internal components. Additionally, the {{PRODUCT_A_NAME}} features over-sized brushes that provide two times the brush life of the previous model. The {{PRODUCT_B_NAME}} does not specify similar dust protection mechanisms in its feature set, though it maintains a slim, ergonomic body design intended for durability in extended use applications.
Ergonomics and Design
Comfort during operation is essential for precision and safety. The {{PRODUCT_A_NAME}} boasts a uniquely small gripping surface designed to offer the best comfort available in its class, paired with a newly designed side handle for excellent ergonomics. The {{PRODUCT_B_NAME}} also prioritizes comfort with a slim body design and a 2-position removable side handle that provides increased control. Both tools feature a One-Touch guard, but the {{PRODUCT_A_NAME}} allows for 360-degree rotation of the guard with a single action, offering slightly more flexibility in positioning.
Safety Mechanisms
Safety features are paramount when operating high-speed grinding tools. The {{PRODUCT_A_NAME}} is equipped with a paddle switch that includes a safety lock-off to prevent accidental start-up, a crucial feature for job site safety. Furthermore, it includes auto-off brushes that shut the tool down when the brushes need replacing, avoiding potential tool damage. The {{PRODUCT_B_NAME}} mentions overload protection designed into its motor but does not explicitly detail switch types or auto-shutoff mechanisms related to brush wear in the provided data.
Maintenance and Adjustments
Ease of maintenance can significantly impact workflow efficiency. Both tools feature a Quick-Change wheel release that allows for tool-free wheel removal without the need for a wrench. However, the {{PRODUCT_B_NAME}} includes a hex wrench that replaces the traditional spanner wrench, noting that a hex wrench can be found in most tool boxes. The {{PRODUCT_A_NAME}} features a top-mounted and protected spindle lock button that maximizes depth-of-cut without compromising durability, ensuring that adjustments remain accessible even after prolonged use.
Compatibility and Accessories
Both grinders are designed to work within the standard 4-1/2-inch accessory ecosystem. The {{PRODUCT_B_NAME}} explicitly states it has a 5/8-inch 11 spindle thread that accepts a wide range of 4-1/2-inch accessories. While the {{PRODUCT_A_NAME}} does not explicitly list the spindle thread in the provided features, it belongs to the same class of tools and utilizes similar Quick-Change technology. The {{PRODUCT_B_NAME}} also notes that it replaces the D28110 model, indicating its place in the lineage of compatible DEWALT tools.
Price and Overall Value
The price difference between these two models is significant. The {{PRODUCT_A_NAME}} is priced at $94.00, reflecting its higher amperage motor and advanced durability features like the Dust Ejection System. The {{PRODUCT_B_NAME}} is available for $69.00, making it a strong contender for users who prioritize cost savings and higher RPM over maximum torque and dust protection. Ultimately, the {{PRODUCT_A_NAME}} offers better long-term value for heavy users due to its extended brush life and protective systems, while the {{PRODUCT_B_NAME}} provides excellent immediate value for occasional or lighter-duty tasks.
