DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, vs Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5
Updated July 2026 — DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, wins on power and safety, Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 wins on price and speed.
The DEWALT FLEXVOLT ADVANTAGE offers superior power and safety features, while the Milwaukee grinder is more budget-friendly and faster.
Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, is better
Power
DEWALT offers up to 54% more power with FLEXVOLT batteries.
Safety
DEWALT features a Kickback Brake and E-CLUTCH system.
Battery Compatibility
DEWALT is compatible with all 20V MAX* and FLEXVOLT batteries.
Why Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 is better
Price
Milwaukee is priced at $110, making it 24% cheaper.
RPM
Milwaukee delivers 11,000 RPM for faster cutting.
Ease of Use
Milwaukee has tool-free guard adjustment for quick changes.
Overall score
Specifications
| Spec | DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, | Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 |
|---|---|---|
| Max Watts | 1550 | N/A |
| RPM | 9000 | 11000 |
| Weight | N/A | N/A |
| Switch Type | Paddle | Paddle |
| Clutch | E-CLUTCH | Electronic |
Dimension comparison
Overview of the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder
The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder is a powerful tool designed to deliver optimal performance with its advanced technology. Priced at $144.50, it stands out with its impressive features and capabilities. This angle grinder boasts a brushless motor that delivers 1,550 max watts out and can reach up to 9,000 RPM, making it a formidable option for various grinding tasks.
In contrast, the Milwaukee Electric M18TRADE BRUSHLESS Cut-Off Grinder is priced lower at $110.00, making it about 24% cheaper than the DEWALT model. It features a higher RPM of 11,000, which may appeal to users looking for faster cutting capabilities. Both tools are designed for heavy-duty use, but the DEWALT offers enhanced power with its FLEXVOLT technology when paired with specific batteries.
Performance Comparison
When it comes to performance, the DEWALT FLEXVOLT ADVANTAGE excels with its ability to achieve up to 54% more power when paired with a FLEXVOLT battery. This significant power boost is particularly advantageous for demanding tasks that require maximum efficiency. The DEWALT also features a Kickback Brake that engages with maximum force to quickly stop the wheel, ensuring user safety during operation.
On the other hand, the Milwaukee grinder features an impressive 11,000 RPM, which may provide faster cutting speeds for various applications. While both grinders are equipped with brushless motors, the DEWALT's technology allows it to adapt and perform better with specific battery combinations. Therefore, users needing extended power may prefer the DEWALT, while those seeking speed might lean towards the Milwaukee.
Design and Usability
In terms of design, both grinders are user-friendly and feature paddle switches for easy operation. The DEWALT model is designed for comfort and control, making it suitable for prolonged use. Its E-Switch Protection feature requires the trigger switch to be cycled in the event of a power outage, adding an extra layer of safety.
Conversely, the Milwaukee grinder's tool-free guard adjustment simplifies the user experience, allowing for quick changes without needing additional tools. This feature is particularly beneficial for users who frequently switch between tasks. While both designs prioritize usability, the DEWALT offers more advanced safety features, which might be a deciding factor for some users.
Safety Features
Safety is a critical consideration when choosing an angle grinder, and both models come equipped with notable safety features. The DEWALT FLEXVOLT ADVANTAGE includes a Kickback Brake, which stops the wheel instantly in case of a bind-up, providing peace of mind during heavy-duty operations. Additionally, its E-CLUTCH system shuts down the motor within a tenth of a second if a stall is detected, further enhancing user safety.
The Milwaukee grinder also offers safety features such as overload protection and an electronic clutch, which prevents motor damage in high-stress situations. While both tools have safety measures, the DEWALT’s faster response time may provide an edge in emergency situations, making it potentially safer for more intensive applications.
Battery Compatibility
Battery compatibility is an essential factor for cordless tools, and both grinders have their strengths. The DEWALT FLEXVOLT ADVANTAGE is compatible with all DEWALT 20V MAX* and FLEXVOLT batteries, providing flexibility for users who may already own DEWALT products. This compatibility allows users to take advantage of the increased power available with FLEXVOLT batteries, making it a versatile choice.
In contrast, the Milwaukee grinder operates on the M18 battery platform, which includes a wide range of Milwaukee tools. While both brands provide excellent battery solutions, DEWALT's ability to leverage the power of FLEXVOLT batteries offers a unique advantage for users seeking maximum performance in their grinding tasks.
Price Comparison
Price is often a decisive factor in purchasing decisions, and there is a notable difference between these two angle grinders. The DEWALT FLEXVOLT ADVANTAGE is priced at $144.50, while the Milwaukee grinder comes in at $110.00. This makes the Milwaukee model about 24% cheaper than its DEWALT counterpart.
Despite the lower price, the DEWALT offers advanced features that may justify its higher cost for users needing enhanced power and safety. However, for those on a budget or looking for a reliable tool for less demanding tasks, the Milwaukee grinder presents a compelling option without sacrificing performance.
Customer Feedback and Sales Rank
Analyzing customer feedback and sales rank provides insight into user satisfaction and market performance. The DEWALT FLEXVOLT ADVANTAGE has a sales rank of 14,755, indicating a solid presence in the market and a generally favorable reception among users. Its reputation for reliability and performance makes it a popular choice among professionals.
In comparison, the Milwaukee grinder has a sales rank of 29,839, which suggests it is less popular than the DEWALT model but still maintains a respectable position. Users often praise the Milwaukee for its speed and ease of use, although it may not have the same level of recognition as the DEWALT in high-performance applications.
Which should you buy?
Choosing between the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the Milwaukee Electric M18TRADE BRUSHLESS Cut-Off Grinder ultimately depends on your specific needs and budget. If you’re looking for a powerful tool with advanced safety features and the flexibility of battery options, the DEWALT is the better choice despite its higher price. However, if you prioritize speed and a lower price point, the Milwaukee grinder could be the ideal option for you. Both grinders have unique strengths, so consider your requirements carefully before making a decision.

