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DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder vs Milwaukee Electric - M18 Fuel 4-1/2-6 Braking

Updated July 2026 — DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder leads on popularity and price.

The DEWALT DCG412B offers better value and performance at a lower price, making it the preferred choice for budget-conscious buyers.

Why DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder is better

Price

DEWALT is $61 cheaper than Milwaukee

Sales Rank

DEWALT has a better sales rank of 10,196

User Features

DEWALT has Quick-Change Wheel Release for convenience

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

Motor Type

Milwaukee features a brushless motor for efficiency

Safety Feature

Milwaukee includes a braking feature for improved safety

Brand Reputation

Milwaukee is known for high-quality tools

Overall score

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
85
Milwaukee Electric - M18 Fuel 4-1/2-6 Braking
75

Specifications

SpecDEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderMilwaukee Electric - M18 Fuel 4-1/2-6 Braking
Motor Speed8000 rpmN/A
Weight5.6 lbs6.2 lbs
Battery20V18V
Guard AdjustmentTool-freeManual
Sales Rank1019626257

Dimension comparison

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderMilwaukee Electric - M18 Fuel 4-1/2-6 Braking

Overview of the DEWALT DCG412B

The DEWALT DCG412B is priced at $127.99, making it a more budget-friendly option compared to its competitor. This cordless angle grinder is designed for high power and versatility, featuring an 8,000 rpm motor that handles cutting and grinding applications effectively. It is equipped with a Quick-Change Wheel Release for tool-free wheel removal, which adds to its convenience for users who frequently change wheels. Additionally, the tool-free guard allows for easy adjustments, catering to various grinding tasks. With a sales rank of 10,196, it shows a solid presence in the market, appealing to both DIY enthusiasts and professionals.

Overview of the Milwaukee M18 Fuel

The Milwaukee Electric M18 Fuel grinder is priced at $189.84, which is about 48% higher than the DEWALT DCG412B. This model is also a cordless option and boasts a brushless motor, enhancing its efficiency and runtime. While the product description doesn’t provide detailed specifications, it highlights its braking feature, which can improve safety during operation. The Milwaukee grinder has a sales rank of 26,257, indicating it is less popular than the DEWALT model in terms of current sales performance. This may reflect a combination of price and features that appeal to a different segment of users.

Performance Comparison

In terms of performance, the DEWALT DCG412B operates at a motor speed of 8,000 rpm, making it powerful for various cutting and grinding tasks. This high rpm is essential for maintaining efficiency during demanding jobs. On the other hand, the Milwaukee M18 Fuel, while lacking specific rpm details, focuses on its brushless motor, which typically results in longer tool life and better performance under load. The braking feature of the Milwaukee model enhances safety, allowing for quicker stops during operation. This may be particularly beneficial for users who prioritize safety in their work environments.

Features and Usability

The DEWALT DCG412B excels in user-friendly features with its Quick-Change Wheel Release, allowing for swift wheel changes without the need for additional tools. This is a significant advantage for users who frequently switch between tasks. The tool-free guard adjustment feature also enhances usability, enabling quick repositioning for different applications. In contrast, the Milwaukee M18 Fuel emphasizes its paddle switch design and braking feature, which can improve control and safety during use. However, detailed usability features are less specified compared to the DEWALT, potentially making it less appealing for users who value convenience in tool operation.

Design and Build Quality

The DEWALT DCG412B is designed with a 2-position side handle, providing greater control and comfort during use. This ergonomic consideration enhances user experience, especially during extended periods of operation. The build quality is consistent with DEWALT’s reputation for durable tools, aimed at both professional and home use. Conversely, the Milwaukee M18 Fuel is built to last with its brushless motor, which generally requires less maintenance and has a longer lifespan. However, without additional details on its design specifics, it’s challenging to compare directly on build quality. The Milwaukee's paddle switch design may appeal to users looking for innovative operation methods.

Price Comparison

The DEWALT DCG412B is available at $127.99, while the Milwaukee M18 Fuel comes in at $189.84. This makes the DEWALT grinder about $61 cheaper, representing a price difference of approximately 48%. For budget-conscious buyers, this significant price gap could influence their purchase decision. While Milwaukee offers advanced features such as a brushless motor and a braking mechanism, the DEWALT provides robust performance at a lower cost. Price-sensitive consumers may find the DEWALT model to be a more attractive option without sacrificing essential functionality.

Market Position and Popularity

The DEWALT DCG412B holds a stronger market position with a bestseller rank of 10,196, indicating it is more popular among consumers. This suggests that many users prefer the DEWALT grinder for its combination of performance, features, and pricing. In comparison, the Milwaukee M18 Fuel, with a sales rank of 26,257, does not enjoy the same level of popularity, which could reflect a niche appeal or higher price point deterring a broader audience. The DEWALT’s strong sales rank underlines its acceptance and reliability in the market.

Which should you buy?

When deciding between the DEWALT DCG412B and the Milwaukee M18 Fuel, it ultimately comes down to your specific needs and budget. The DEWALT offers a powerful performance with user-friendly features at a significantly lower price, making it an excellent choice for those seeking value. Conversely, the Milwaukee, with its brushless motor and braking feature, may appeal to users prioritizing advanced safety and efficiency, albeit at a higher cost. If budget constraints are a significant factor, the DEWALT DCG412B emerges as the more sensible choice, while the Milwaukee may be worth the investment for those requiring its specialized features.