DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, vs Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless
Updated July 2026 — DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, wins on power and price, Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless wins on design.
The DEWALT grinder offers superior power and safety features at a more attractive price, making it the better overall choice.
Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, is better
Power
Delivers up to 54% more power with FLEXVOLT batteries
Price
Costs $144.50, $63.48 cheaper than Milwaukee
Safety
Includes E-CLUTCH system for enhanced safety
Why Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless is better
Design
Low-profile design for better access in tight spaces
Battery Tech
Utilizes advanced M18 REDLITHIUM batteries
Brake Speed
RAPIDSTOP Brake stops wheels in under 2 seconds
Overall score
Specifications
| Spec | DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, | Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless |
|---|---|---|
| Max Watts | 1550 | Corded 11A |
| Max RPM | 9000 | 8500 |
| Weight | Tool Only | Tool Only |
| Brake Type | Kickback Brake | RAPIDSTOP |
| Compatibility | FLEXVOLT Batteries | M18 Batteries |
Dimension comparison
Overview of the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder
The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder is priced at $144.50, making it an attractive option for both professionals and DIY enthusiasts. This tool boasts cutting-edge technology that increases power when paired with FLEXVOLT batteries. With a sales rank of 14,755, it also signifies a solid presence in the market, indicating user trust and satisfaction.
The grinder features a brushless motor that delivers up to 1,550 max watts and operates at speeds up to 9,000 RPM. Its design includes safety features such as the Kickback Brake, which engages quickly to stop the wheel in case of a bind-up, and an E-CLUTCH system that shuts down the motor when a stall is detected. This makes the DEWALT grinder particularly appealing for users concerned about safety and performance on the job.
Overview of the Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless Cordless Grinder
The Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless Cordless Grinder is priced at $207.98, making it about 44% more expensive than the DEWALT grinder. Despite its higher price, the Milwaukee grinder boasts impressive features and capabilities with a sales rank of 22,280, indicating a decent market presence.
This grinder generates 11A corded power and operates at a maximum speed of 8,500 RPM. Its low-profile, flathead design allows for better accessibility in tight spaces, which is a significant advantage for users working in confined areas. The RAPIDSTOP Brake feature stops most wheels in less than 2 seconds, providing an added layer of safety during operation.
Power and Performance Comparison
When it comes to power, the DEWALT grinder has a clear edge when using FLEXVOLT batteries, delivering up to 54% more power. This significant boost is a major selling point for those who require high-performance tools for demanding tasks. The Milwaukee grinder, while generating 11A corded power, operates at a slightly lower maximum RPM of 8,500, which may impact its efficiency in certain applications.
Both grinders feature advanced brushless motors, but the DEWALT grinder's ability to push beyond standard power levels when paired with specific batteries can be a game changer for users who frequently engage in heavy-duty tasks. The DEWALT grinder's motor also supports a wider range of applications thanks to its higher maximum wattage.
Safety Features Comparison
Safety is paramount in any power tool, and both grinders come equipped with features designed to protect the user. The DEWALT grinder includes a Kickback Brake that engages with maximum force to stop the wheel quickly, as well as an E-CLUTCH system that shuts down the motor in under a tenth of a second during a stall. These features can significantly reduce the risk of accidents.
On the other hand, the Milwaukee grinder boasts the RAPIDSTOP Brake, which stops most wheels in less than 2 seconds. While both tools prioritize safety, the DEWALT grinder's additional E-CLUTCH feature may offer more comprehensive protection in various scenarios, providing a slight advantage in safety measures.
Design and Usability
The DEWALT grinder has a robust design that focuses on performance and durability, while also being compatible with all DEWALT 20V MAX and FLEXVOLT batteries. This compatibility enhances its usability for users who may already own DEWALT tools and batteries.
Conversely, the Milwaukee grinder features a low-profile, flathead design that provides better accessibility to tight spaces. This unique design aspect may make it more suitable for specific applications, particularly when maneuverability is crucial. However, the bulkier design of the DEWALT grinder does not necessarily hinder its usability, especially for those focusing on power.
Battery and Runtime
The DEWALT grinder operates with the FLEXVOLT battery system, which allows it to achieve its peak performance levels. Users who invest in these batteries can experience the full power potential of the grinder, making it a smart choice for heavy-duty applications.
In contrast, the Milwaukee grinder utilizes M18 REDLITHIUM HIGH OUTPUT XC6.0 Batteries, which deliver 50% more power and run 50% cooler than standard batteries. Although the DEWALT grinder’s performance is enhanced with specific battery types, Milwaukee’s battery technology ensures that users can expect reliable power management and extended runtime, which could be a deciding factor for some.
Price and Value
The DEWALT FLEXVOLT ADVANTAGE grinder is priced at $144.50, making it approximately $63.48 cheaper than the Milwaukee grinder at $207.98. This price difference of about 44% can be significant for budget-conscious buyers.
While the Milwaukee grinder offers its own set of innovative features and a strong emphasis on accessibility, the DEWALT grinder’s price point combined with its superior power capabilities makes it a compelling option for those looking for value without sacrificing performance.
Which should you buy?
Choosing between the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the Milwaukee M18 FUEL 18-Volt Grinder largely depends on your specific needs and preferences. If you prioritize power and safety features, the DEWALT grinder, with its ability to deliver up to 54% more power when paired with FLEXVOLT batteries, stands out as an excellent choice at a more appealing price of $144.50.
However, if you need a grinder that excels in tight spaces and offers advanced battery technology, the Milwaukee grinder, with its unique flathead design and enhanced battery performance, may be worth the higher investment of $207.98. Ultimately, both tools have their merits, but the DEWALT grinder offers better overall value for users focused on power and performance.

