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DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder vs Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion

Updated July 2026 — DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder wins on speed and ease of use, Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion wins on safety and comfort.

The DEWALT DCG412B offers a more affordable option with quick wheel changes, while the Milwaukee 2880-20 excels in safety and comfort features.

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

Price

DEWALT is 11% cheaper than Milwaukee

Speed

DEWALT has an 8,000 rpm motor

Ease of Use

DEWALT features Quick-Change Wheel Release

Why Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion is better

Safety

Milwaukee has Electronic Clutch for kickback protection

Comfort

Milwaukee includes Anti-Vibration Side Handle

Popularity

Milwaukee has a higher sales rank

Overall score

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
75
Milwaukee 2880-20 M18 Fuel Brushless Lithium-Ion
82

Specifications

SpecDEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderMilwaukee 2880-20 M18 Fuel Brushless Lithium-Ion
Motor TypeBrushedBrushless
RPM8000Not specified
Battery20V MAX*M18
WeightNot specifiedNot specified
Guard AdjustmentTool-freeNot specified

Dimension comparison

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderMilwaukee 2880-20 M18 Fuel Brushless Lithium-Ion

Overview

When it comes to cordless angle grinders, the DEWALT DCG412B and Milwaukee 2880-20 are two strong contenders. The DEWALT grinder is priced at $127.99, making it about 11% cheaper than the Milwaukee model, which retails for $143.99. Both tools offer unique features aimed at enhancing user experience, but their differences may sway your decision based on specific needs.

Performance

The performance of an angle grinder is critical for cutting and grinding tasks. The DEWALT DCG412B features an 8,000 rpm motor, providing high power for various applications. In contrast, the Milwaukee 2880-20 is equipped with a brushless motor, which typically offers better efficiency and longevity. The Milwaukee also includes an Electronic Clutch for kickback protection, ensuring safety during operation. While the DEWALT provides impressive speed, Milwaukee's design focuses on maximizing motor life and reducing risk. Ultimately, if raw speed is your priority, the DEWALT may have the edge, whereas the Milwaukee could be better for safety-conscious users.

User Comfort

User comfort is paramount during extended use, and both grinders have features that enhance this aspect. The Milwaukee 2880-20 includes an Anti-Vibration Side Handle, designed to increase comfort and safety, particularly during prolonged use. The DEWALT DCG412B, on the other hand, offers a two-position side handle for versatility and control. If user comfort is your top priority, the Milwaukee’s anti-vibration feature may be more appealing, especially for those who frequently use their grinder for long periods.

Ease of Use

In terms of ease of use, the DEWALT DCG412B stands out with its Quick-Change Wheel Release, allowing for tool-free wheel removal without needing a wrench. This feature can significantly reduce downtime when changing attachments. Additionally, it has a tool-free guard adjustment, making it convenient to reposition. The Milwaukee 2880-20, while lacking these specific features, compensates with overload protection that maximizes motor life. For quick task changes, the DEWALT is likely the more convenient option, while the Milwaukee provides a more robust safety mechanism.

Compatibility

Compatibility with existing tools and batteries is a significant consideration for many users. The Milwaukee 2880-20 is designed to be compatible with all M18 batteries, making it a versatile addition to your tool collection if you already own Milwaukee products. In contrast, the DEWALT DCG412B operates on the 20V MAX* battery system. If you have a collection of M18 tools, the Milwaukee may integrate seamlessly into your setup. However, if you're starting fresh or are already invested in DEWALT tools, the DEWALT grinder could be more suitable.

Safety Features

Safety features can be a deciding factor when choosing power tools. The Milwaukee 2880-20 comes with an Electronic Clutch for kickback protection, which is essential for preventing accidents during operation. The DEWALT DCG412B does not mention specific safety features like kickback protection but does include a lock-off button on its trigger switch, enhancing safety by preventing accidental activation. If safety is your main concern, the Milwaukee's kickback protection feature offers an added layer of security that the DEWALT lacks.

Price Comparison

Price is a significant factor for many consumers, and there is a noticeable difference between these two models. The DEWALT DCG412B is priced at $127.99, while the Milwaukee 2880-20 costs $143.99, making the DEWALT about 11% cheaper. However, the price difference may reflect the additional safety features and performance capabilities of the Milwaukee. If budget is a primary concern, the DEWALT may be the better choice, but you should weigh the price against the specific features that each model offers.

Popularity and Sales Rank

When evaluating tools, it can be helpful to consider their popularity and sales rank as indicators of consumer satisfaction. The DEWALT DCG412B has a sales rank of 10,196, while the Milwaukee 2880-20 is ranked higher at 6,936. This suggests that the Milwaukee may be more popular among users, which could indicate a higher level of satisfaction or trust in the brand. If you value community feedback and trends, the Milwaukee might be the safer bet based on its stronger sales rank.

Which should you buy?

Deciding between the DEWALT DCG412B and the Milwaukee 2880-20 ultimately depends on your specific needs and preferences. The DEWALT is about 11% cheaper and offers high-speed performance with convenient features for quick wheel changes. However, if safety and user comfort during prolonged use are your primary concerns, the Milwaukee's additional features like kickback protection and anti-vibration handle may justify its higher price. Consider your current tool compatibility, safety priorities, and budget to make the most informed decision.