DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ vs Milwaukee M12 FUEL 12V Lithium-Ion Brushless
Updated July 2026 — DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ wins on safety and sales rank, Milwaukee M12 FUEL 12V Lithium-Ion Brushless wins on usability and price.
The DEWALT grinder excels in safety features and reliability, while the Milwaukee offers superior power and versatility. Choose based on your specific needs.
Why DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ is better
Safety Features
DEWALT includes E-Switch Protection and a quick brake system.
Sales Rank
DEWALT has a significantly better sales rank.
Motor Longevity
DEWALT's brushless motor requires no brush changes.
Why Milwaukee M12 FUEL 12V Lithium-Ion Brushless is better
Power Output
Milwaukee delivers 20% more power than pneumatic models.
Mobility
Milwaukee is designed for greater access in tight spaces.
Price
Milwaukee is slightly cheaper.
Overall score
Specifications
| Spec | DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/ | Milwaukee M12 FUEL 12V Lithium-Ion Brushless |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Brake Time | 2 seconds | N/A |
| HP Output | N/A | 0.3 HP |
| Speed Control | Two-stage | 4-mode |
| Weight | N/A | N/A |
Dimension comparison
Overview
When comparing the DEWALT 20V MAX* Angle Grinder Tool and the Milwaukee M12 FUEL Right Angle Die Grinder, both tools cater to professionals seeking performance and durability. However, they serve different purposes and feature distinct advantages. The DEWALT grinder is priced at $249.00, while the Milwaukee die grinder is slightly cheaper at $239.95, making it about 1% less expensive.
Power and Performance
The DEWALT grinder features a brushless motor that requires no brush changes, enhancing its longevity and performance. It offers a brake that stops the wheel in 2 seconds or less, providing safety and efficiency during operation. In contrast, the Milwaukee die grinder boasts a 0.3 HP motor output and is designed to deliver 20% more power than pneumatic models. This translates to superior performance for users requiring maximum speed and efficiency in tight spaces.
Design and Usability
The DEWALT grinder is equipped with a paddle switch and kickback brake, ensuring user safety by quickly stopping the wheel under strain. Its two-stage trigger requires two actions to activate, which minimizes accidental starts. Meanwhile, the Milwaukee die grinder is designed for greater mobility and access, making it ideal for intricate tasks. With a focus on user comfort, the Milwaukee features a variable-speed trigger and 4-mode speed control, giving users unmatched control over their work.
Battery Technology
Battery technology plays a crucial role in the performance of cordless tools. The DEWALT grinder operates on the 20V MAX* battery system, which is well-known for its reliability and power. However, the Milwaukee die grinder utilizes M12 REDLITHIUM battery technology, which is designed to deliver longer run times and more power. This difference may influence your choice based on your existing battery ecosystem and how often you need to recharge.
Safety Features
Safety is paramount when operating power tools. The DEWALT grinder includes features such as E-Switch Protection, which requires the trigger to be cycled after a power outage, ensuring it doesn’t inadvertently start up. Additionally, its kickback brake engages maximum force to stop the wheel during bind-up events. The Milwaukee die grinder, while not explicitly detailing safety features, emphasizes its performance with a focus on user control, which inherently enhances safety during operation.
Price Comparison
With the DEWALT grinder priced at $249.00 and the Milwaukee at $239.95, the Milwaukee die grinder is about $9 cheaper, representing a 3.6% price difference. Despite the small price gap, the Milwaukee offers several advanced features that might justify its price point for users who prioritize power and versatility in tight spaces. However, the DEWALT’s robust safety features and quick brake system may be more appealing to those who prioritize safety over price.
Sales Rank
In terms of market popularity, the DEWALT grinder holds a bestseller rank of 1826, indicating its strong presence and reliability among consumers. On the other hand, the Milwaukee die grinder has a significantly lower sales rank of 48356. This disparity may suggest that while the Milwaukee tool offers excellent performance, it has yet to capture the same level of consumer trust and popularity as the DEWALT.
Availability of Accessories
Both tools are sold as "tool only," meaning that batteries and chargers must be purchased separately. This is an important consideration for users who may already own compatible batteries. The DEWALT grinder is compatible with its extensive line of 20V MAX* batteries, while the Milwaukee die grinder works with the M12 system. Users should evaluate their current battery inventory to determine the overall cost of ownership for each tool.
Which should you buy?
Choosing between the DEWALT 20V MAX* Angle Grinder and the Milwaukee M12 FUEL Right Angle Die Grinder ultimately depends on your specific needs. If you prioritize safety features and a proven track record, the DEWALT grinder may be the better choice. However, if you seek a tool with superior power and versatility for tight spaces, the Milwaukee die grinder is an excellent option, especially at a slightly lower price. Consider your existing battery systems and the specific tasks you intend to tackle to make the best decision.

