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DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder vs Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder

Updated July 2026 — DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder wins on power and handle, Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder wins on price and sales rank.

The DEWALT DCG412B offers a better price and solid performance, while the Milwaukee 2888-20 provides variable speed and quick braking features. Choose based on your specific needs.

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

Price

DEWALT is $13.09 cheaper

Weight

DEWALT is lighter

Simplicity

DEWALT has a straightforward design

Why Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder is better

Speed

Milwaukee has a higher max RPM

Variable Speed

Milwaukee offers 5 speed settings

Safety

Milwaukee has a quick stop brake

Overall score

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
85
Milwaukee 2888-20 18V Cordless 4.5"/5" Grinder
88

Specifications

SpecDEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderMilwaukee 2888-20 18V Cordless 4.5"/5" Grinder
Motor RPM80008500
Variable SpeedNoYes
Brake TimeN/A2 seconds
Quick ChangeYesYes
Side HandleYesNo

Dimension comparison

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderMilwaukee 2888-20 18V Cordless 4.5"/5" Grinder

Price Comparison

When comparing the prices of the DEWALT DCG412B and the Milwaukee 2888-20, the DEWALT model is about 9% cheaper at $127.99, while the Milwaukee grinder is priced at $141.08. This price difference of approximately $13.09 could be a significant factor for budget-conscious buyers. Both products are tool-only models, meaning that neither includes a battery or charger, which is essential for their operation. While Milwaukee's grinder is slightly more expensive, it offers specific features that may justify the higher cost for some users.

Motor Performance

The DEWALT DCG412B operates with an 8,000 rpm motor, providing ample power for cutting and grinding tasks. In comparison, the Milwaukee 2888-20 offers a slightly higher maximum speed of 8,500 rpm. This 500 rpm advantage may influence those who require faster performance for certain applications. Both grinders are capable of handling rigorous tasks, but the Milwaukee's edge in speed could be beneficial for professionals who prioritize efficiency in their work.

Speed Control Features

While the DEWALT grinder features a straightforward design with a consistent 8,000 rpm output, the Milwaukee grinder stands out with its variable speed settings. Milwaukee's model provides five distinct speed settings, allowing users to adjust between 3,500 rpm and 8,500 rpm. This level of control can enhance versatility, enabling more precise work depending on the material being cut or ground. For users who need tailored speed adjustments, the Milwaukee model may be the preferred choice.

User Convenience

The DEWALT DCG412B includes a Quick-Change Wheel Release, allowing for tool-free wheel removal, which enhances user convenience. Additionally, the tool-free guard adjustment makes it easy to reposition the guard without needing any tools. In contrast, the Milwaukee 2888-20 also features tool-free guard adjustments, but its paddle switch design may appeal to users who prefer a more ergonomic approach. Both models prioritize user ease, but the differences in switch design and wheel change mechanism may sway user preference based on individual needs.

Safety Features

Safety is a crucial aspect of angle grinders, and both models incorporate features aimed at enhancing user safety. The DEWALT grinder includes a two-finger trigger switch with a lock-off button, ensuring that accidental activation is minimized. Meanwhile, the Milwaukee grinder's brake can stop the wheel in two seconds or less, which is a significant safety feature that helps prevent accidents. Users who prioritize quick stopping capabilities may find the Milwaukee model to be safer, while those who want dual-trigger activation may prefer DEWALT’s design.

Grip and Control

For comfortable handling, the DEWALT DCG412B comes with a two-position side handle, which improves control and versatility during use. This feature allows users to adjust the handle based on their working style or the specific task at hand. On the other hand, the Milwaukee grinder, while it does not specify a side handle feature, is designed with a paddle switch that may provide a different grip experience. Users who value adjustable handles for added control may lean toward the DEWALT model.

Brand Reputation

Both DEWALT and Milwaukee are respected brands in the power tools industry, known for producing high-quality products. The DEWALT DCG412B has a sales rank of 10,196, while the Milwaukee 2888-20 ranks slightly lower at 11,053. While both models have a strong presence in the market, the DEWALT grinder's higher sales rank may indicate a slight edge in popularity among consumers. Brand loyalty and past experiences with either label can also play a critical role in buyer decisions.

Which should you buy?

Choosing between the DEWALT DCG412B and the Milwaukee 2888-20 ultimately depends on your specific needs and preferences. If budget is a primary concern, the DEWALT model is about 9% cheaper and offers solid performance with its consistent speed. However, if you require variable speed settings for versatility and a quick brake for safety, the Milwaukee grinder may be worth the extra cost. Both models provide excellent features and reliability, but your choice should reflect the specific functionalities you value most in an angle grinder.