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DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, vs Milwaukee Electric - M18 Fuel 4-1/2-6 Braking

Updated July 2026 — DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, leads on management and power.

The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder offers superior power, safety features, and better pricing compared to the Milwaukee Electric M18 Fuel Grinder.

Why DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder, is better

Price

DEWALT is $45.34 cheaper

Power

DEWALT has up to 54% more power with FLEXVOLT batteries

Safety Features

DEWALT includes E-CLUTCH system for faster motor shutdown

Why Milwaukee Electric - M18 Fuel 4-1/2-6 Braking is better

Brand Reputation

Milwaukee is known for high-quality tools

Braking Technology

Milwaukee has effective braking technology

Battery Type

Milwaukee uses 18-Volt Lithium-Ion batteries

Overall score

DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder,
85
Milwaukee Electric - M18 Fuel 4-1/2-6 Braking
75

Specifications

SpecDEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder,Milwaukee Electric - M18 Fuel 4-1/2-6 Braking
Max Watts1550N/A
RPM9000N/A
Battery Compatibility20V MAX* & FLEXVOLTNot specified
WeightN/AN/A
Tool TypeAngle GrinderBraking Grinder

Dimension comparison

DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder,Milwaukee Electric - M18 Fuel 4-1/2-6 Braking

Overview of the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and Milwaukee Electric M18 Fuel Grinder

In this comparison, we evaluate the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder and the Milwaukee Electric M18 Fuel 4-1/2-6 Braking Grinder. The DEWALT model is priced at $144.50 while the Milwaukee grinder costs $189.84, making the DEWALT about 24% cheaper than its Milwaukee counterpart. Both tools are designed for heavy-duty grinding tasks, but they come with distinct features that cater to different user needs.

Power and Performance

The DEWALT grinder boasts a remarkable advantage with up to 54% more power when paired with FLEXVOLT batteries compared to traditional 20V MAX* batteries. Its brushless motor delivers a maximum of 1,550 watts and can achieve speeds of up to 9,000 RPM. In contrast, the Milwaukee grinder is equipped with an 18-Volt Lithium-Ion brushless motor, but specific performance metrics like maximum watts or RPM are not detailed in its description. The significant power boost of the DEWALT makes it a strong contender for users needing maximum performance in demanding applications.

Safety Features

Safety is a critical aspect of any power tool, and both grinders incorporate advanced safety features. The DEWALT angle grinder includes a Kickback Brake that engages with maximum force to stop the wheel quickly in case of a bind-up. Additionally, it has an E-CLUTCH system that shuts down the motor in under a tenth of a second when a pinch or stall is detected. The Milwaukee grinder also emphasizes safety with its braking technology, ensuring that the tool stops effectively. While both tools prioritize user safety, the DEWALT’s innovative E-CLUTCH system may offer a faster response during operational hazards.

Battery Compatibility

Battery compatibility can influence a user's choice significantly. The DEWALT FLEXVOLT ADVANTAGE is compatible with all DEWALT 20V MAX* and FLEXVOLT batteries, allowing for flexibility and convenience for users who may already own DEWALT tools. The Milwaukee grinder, while also a cordless model, does not specify its battery compatibility as clearly. This compatibility with existing batteries may make the DEWALT a more versatile option for users invested in the DEWALT ecosystem.

Tool Management Features

Tool management is an essential consideration for professionals managing multiple tools on job sites. The DEWALT grinder is designed with a Tool Connect Chip pocket, enabling it to connect with the Tool Connect Site Manager app for asset management. This feature can streamline job site operations, making it easier to track tools and manage inventory. The Milwaukee grinder does not mention similar management capabilities, which might limit its appeal for users looking for advanced tool management solutions.

Price Comparison

The DEWALT grinder is priced at $144.50, while the Milwaukee grinder is listed at $189.84. This substantial price difference of approximately $45.34 reflects a 24% increase in cost for the Milwaukee model. For budget-conscious consumers or those who need a reliable tool without the premium price tag, the DEWALT grinder presents a more attractive option without compromising on performance.

Sales Rankings

When considering the popularity of these tools, the DEWALT grinder ranks at 14,755 on sales charts, indicating a strong presence in the market. In comparison, the Milwaukee grinder holds a sales rank of 26,257, suggesting that it may not be as widely purchased. This difference in popularity could be attributed to the DEWALT’s competitive pricing and superior power features, appealing more to consumers and professionals alike.

User Experience and Application

Both tools are designed for heavy-duty applications, but user experience may vary based on their individual features. The DEWALT grinder, with its enhanced power and safety features, is likely to provide a smoother and more efficient grinding experience in demanding scenarios. The Milwaukee grinder, while still robust, may not deliver the same level of power efficiency based on the specifications provided. Users who prioritize power and safety might find the DEWALT grinder to be the more suitable choice for their needs.

Which should you buy?

In conclusion, the DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder stands out as the superior choice between the two. With a lower price of $144.50, significant power advantages, and enhanced safety features, it offers exceptional value for both professionals and DIY enthusiasts. While the Milwaukee Electric M18 Fuel Grinder does have its merits, particularly in brand reputation, it lacks the same level of power and advanced features that the DEWALT grinder provides. For those looking for a reliable, powerful grinder, the DEWALT is the clear winner.