DEWALT Angle Grinder, 4. vs Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion
Updated July 2026 — DEWALT Angle Grinder, 4. wins on price and power, Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion wins on portability and safety.
The DEWALT Angle Grinder offers superior power and value, while the Milwaukee grinder excels in portability and advanced safety features.
Why DEWALT Angle Grinder, 4. is better
Power
11 amp motor provides consistent performance
Price
Lower price at $94.00
Durability
Dust Ejection System enhances longevity
Why Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion is better
Portability
Cordless design allows for greater maneuverability
Safety
Electronic clutch for kickback protection
Battery Compatibility
Compatible with all M18 batteries
Overall score
Specifications
| Spec | DEWALT Angle Grinder, 4. | Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion |
|---|---|---|
| Motor Type | Corded | Cordless |
| RPM | 11000 | N/A |
| Weight | 6.2 lbs | 5.5 lbs |
| Switch Type | Paddle with lock | No-lock paddle |
| Warranty | 3 years | 5 years |
Dimension comparison
Power and Performance
The DEWALT Angle Grinder delivers a powerful 11 amp motor running at 11,000 rpm, while the Milwaukee 2880-20 relies on a brushless lithium-ion motor powered by M18 batteries. The DEWALT’s motor strength and speed provide a consistent and robust performance ideal for demanding jobs, especially considering it’s corded and designed for continuous power delivery. In contrast, the Milwaukee grinder offers cordless convenience with brushless technology that optimizes battery life and motor efficiency but does not specify rpm or amp ratings.
While the DEWALT’s 11 amp motor makes it a strong contender for power-hungry tasks, the Milwaukee’s brushless motor and battery compatibility emphasize portability and ease of use. This cordless design allows flexibility but may not sustain the same level of continuous power as the DEWALT’s corded setup. At $94.00, the DEWALT is also about 35% less expensive than the Milwaukee, making it a compelling choice if raw power and consistent performance are priorities.
Design and Ergonomics
When it comes to design, the DEWALT Angle Grinder features an ergonomic compact design with a uniquely small gripping surface and a newly designed side handle for excellent comfort. It emphasizes user comfort during extended use, which is critical for reducing fatigue. The DEWALT’s paddle switch comes with a safety lock-off to prevent accidental startups, and its one-touch guard allows for 360-degree rotation with ease.
The Milwaukee grinder also prioritizes user comfort with an anti-vibration side handle, which enhances safety and reduces fatigue during prolonged use. Its cordless design further adds to maneuverability without the restriction of a power cord. However, the Milwaukee’s paddle switch is described as a no-lock type, which may be simpler but lacks the safety lock-off feature of the DEWALT.
Overall, DEWALT’s compact and ergonomic design combined with safety features may provide a better grip and control experience, particularly for those who perform longer grinding tasks, while Milwaukee’s anti-vibration handle and cordless freedom appeal to users valuing mobility.
Durability and Maintenance
Durability is a strong point for the DEWALT Angle Grinder thanks to its Dust Ejection System that prevents damaging dust and debris from entering the tool, prolonging its lifespan. Additionally, oversized brushes offer twice the brush life compared to the previous DEWALT model, and auto-off brushes shut the tool down when replacement is necessary to avoid damage. The large spiral bevel gear ensures long transmission life, and the top-mounted spindle lock button is protected to maximize depth-of-cut without compromising durability.
The Milwaukee grinder focuses on protecting the motor with electronic clutch kickback protection and overload protection, which maximizes motor life by preventing damage from sudden stalls or overuse. While it does not have a dust ejection system, its brushless motor design inherently reduces maintenance related to brushes.
In summary, DEWALT’s features target overall tool longevity with dust prevention and brush life enhancements, while Milwaukee emphasizes motor protection and overload defense through electronic features, reflecting different approaches to durability and maintenance.
Usability and Convenience
The DEWALT Angle Grinder boasts a quick-change wheel release mechanism that allows tool-free wheel removal without wrenches, significantly improving usability for quick adjustments or wheel swaps. Its one-touch guard rotation and top-mounted spindle lock button enhance operational convenience during cutting or grinding. The safety lock-off paddle switch further ensures secure handling.
Milwaukee’s cordless grinder offers the inherent convenience of battery-powered operation, freeing users from cords and potential restrictions on job site mobility. It is compatible with all M18 batteries, allowing users to integrate it easily into existing Milwaukee battery systems. However, its no-lock paddle switch might simplify operation but lacks the accidental start prevention feature found on the DEWALT.
Considering these factors, DEWALT provides superior wheel change and guard rotation convenience, while Milwaukee’s cordless design offers unmatched portability and battery system compatibility, making each tool suited to different user preferences.
Safety Features
Safety is addressed differently by each grinder. The DEWALT Angle Grinder incorporates a paddle switch with a safety lock-off to prevent accidental startups, which is a crucial feature for preventing injuries during handling or transport. Its auto-off brushes shut down the tool when brushes need replacement, avoiding tool damage and potential hazards.
The Milwaukee grinder prioritizes active safety mechanisms such as electronic clutch kickback protection, which guards against sudden tool kickbacks that can cause injury. It also has overload protection to maximize motor life and prevent unsafe operation under strain.
While DEWALT focuses more on startup safety and maintenance-based shutoffs, Milwaukee provides advanced electronic protections against operational hazards. These complementary safety features reflect the distinct design philosophies of a corded tool versus a brushless cordless one.
Price and Value
At $94.00, the DEWALT Angle Grinder is about 35% less expensive than the Milwaukee 2880-20 priced at $143.99. The DEWALT’s price reflects its corded design with a powerful 11 amp motor and durability features, making it a cost-effective choice for users who need consistent power without worrying about battery life.
The Milwaukee grinder, being cordless and equipped with brushless technology, commands a higher price. It is sold as a tool-only option, meaning batteries and charger are not included, which could increase the total investment if you do not already own compatible M18 batteries.
From a value perspective, the DEWALT offers a strong feature set at a lower upfront cost, while the Milwaukee’s premium price aligns with its cordless convenience and electronic safety features. Buyers should consider their need for portability versus budget constraints when evaluating value.
Popularity and Brand Reputation
The DEWALT Angle Grinder holds a better sales rank at 3,735 compared to Milwaukee’s 6,936, suggesting it is more popular among buyers. DEWALT’s reputation for durable, professional-grade tools and the grinder’s combination of power, comfort, and safety likely contribute to its higher sales rank.
Milwaukee is also a well-respected brand, especially known for its cordless tool innovations and battery platform compatibility. The 2880-20 model’s brushless motor and electronic safety features reflect Milwaukee’s focus on advanced technology and user protection.
For buyers prioritizing proven popularity and strong brand trust at a moderate price, the DEWALT stands out. Those loyal to the Milwaukee battery system and interested in cordless solutions may prefer the Milwaukee grinder despite its lower sales rank.
Which should you buy?
The choice between the DEWALT Angle Grinder and the Milwaukee 2880-20 depends primarily on your priorities regarding power source, price, and safety features. If you want a powerful, corded grinder with a robust 11 amp motor running at 11,000 rpm, enhanced durability with dust ejection, and convenient features like quick wheel changes and safety lock-off paddle switch—all for $94.00—the DEWALT is an excellent value and the more popular option.
On the other hand, if cordless operation, brushless motor efficiency, and advanced electronic safety protections such as kickback and overload protection are critical to your workflow, and you already own or plan to invest in Milwaukee’s M18 battery system, the Milwaukee 2880-20 at $143.99 may be the better fit.
Ultimately, for those seeking continuous power, affordability, and a proven track record, the DEWALT Angle Grinder is the clear choice. For users valuing portability, battery compatibility, and electronic safety features, Milwaukee’s cordless grinder is worth the premium.

