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DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM vs DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder

Updated July 2026 — DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM wins on power and value, DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder wins on portability.

The DEWALT Angle Grinder offers superior power and durability at a lower price, making it the better choice for most users.

Why DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM is better

Power

11 Amp motor vs 8,000 RPM motor

Durability

Includes Dust Ejection System

Price

$99.00 vs $127.99

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

Portability

Cordless operation with 20V MAX Lithium Ion battery

Convenience

Tool-free guard adjustments

Weight

Lighter due to cordless design

Overall score

DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPM
85
DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
75

Specifications

SpecDEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPMDEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
Motor Power11 Amp20V MAX
RPM11,0008,000
Weight4.5 lbs3.75 lbs
Guard TypeOne-TouchTool-free
Price$99.00$127.99

Dimension comparison

DEWALT Angle Grinder, 4-1/2-Inch, 11-Amp, 11,000 RPMDEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder

Overview of the DEWALT Angle Grinder and DEWALT DCG412B

In the world of angle grinders, the DEWALT Angle Grinder and the DEWALT DCG412B stand out as two compelling options. The DEWALT Angle Grinder is currently priced at $99.00, while the DEWALT DCG412B is slightly more expensive at $127.99. This represents a difference of about 29% in favor of the DEWALT Angle Grinder, making it a more budget-friendly choice for users looking for solid performance without breaking the bank.

Performance Comparison

When it comes to performance, the DEWALT Angle Grinder boasts an impressive 11 Amp motor that delivers 11,000 RPM, designed for faster material removal and higher overload protection. On the other hand, the DEWALT DCG412B features an 8,000 RPM motor, which still provides significant power for cutting and grinding applications but falls short of the DEWALT Angle Grinder's capabilities. This performance gap could be crucial for users who need rapid grinding or cutting, particularly in demanding tasks.

Durability and Design Features

Both grinders are built with user convenience in mind, but they take different approaches to durability. The DEWALT Angle Grinder includes a Dust Ejection System that removes harmful dust and debris from the tool's air intake, enhancing its longevity. In contrast, the DEWALT DCG412B, being cordless, lacks this specific feature but compensates with a tool-free guard that allows for quick adjustments. The design of the DEWALT Angle Grinder, with its low profile gear case, also allows access to tight spaces, which might be beneficial for certain projects.

Portability and Power Source

Portability is a significant advantage of the DEWALT DCG412B, as it is powered by a 20V MAX Lithium Ion battery, offering the freedom to work without being tethered to an outlet. The DEWALT Angle Grinder, however, is a corded model, which might limit its use in areas without power access. For users who prioritize mobility and flexibility on the job site, the DEWALT DCG412B is the clear winner. However, those who need consistent power without worrying about battery life may prefer the DEWALT Angle Grinder.

Ease of Use

Both models prioritize user-friendliness, featuring a Quick-Change Wheel Release that eliminates the need for a wrench when changing wheels. The DEWALT Angle Grinder also includes a One-Touch Guard that allows for 360-degree rotation with a single action, enhancing its usability. The DEWALT DCG412B, meanwhile, has a 2-finger trigger switch with a lock-off button, making activation more convenient and safer. While both tools are designed for ease of use, the added features of the DEWALT Angle Grinder could make it slightly more versatile for various tasks.

Comfort and Handling

User comfort is a vital factor in tool selection, and both grinders are designed with this in mind. The DEWALT Angle Grinder comes equipped with a 2-position side handle, which enhances control and comfort during use. Similarly, the DEWALT DCG412B features a 2-position side handle that provides greater control and versatility. While both models are similar in this regard, the weight distribution of the DEWALT Angle Grinder, due to its corded nature, may provide a more stable handling experience for extended use.

Price and Value for Money

In terms of price, the DEWALT Angle Grinder is available for $99.00, while the DEWALT DCG412B retails for $127.99. This price difference reflects about a 29% increase in cost for the cordless model. The DEWALT Angle Grinder not only offers a lower price point but also includes features that enhance its value, such as the Dust Ejection System and higher RPM motor. Given these considerations, users looking for value may find the DEWALT Angle Grinder a more appealing option.

Which should you buy?

Choosing between the DEWALT Angle Grinder and the DEWALT DCG412B ultimately depends on your specific needs. If you prioritize power and durability, the DEWALT Angle Grinder offers superior performance with its 11 Amp motor and Dust Ejection System at a lower price. However, if portability and the convenience of a cordless operation are more important, the DEWALT DCG412B is an excellent choice despite its higher price. Consider your typical use case and job site conditions to make the best decision for your grinding and cutting needs.