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AVID POWER Angle Grinder 4-1/ vs DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder

Updated July 2026 — AVID POWER Angle Grinder 4-1/ wins on value and speed, DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder wins on power and weight.

The AVID POWER Angle Grinder offers great value with its variable speed and lower price, while the DEWALT DCG412B excels in portability and convenience.

Why AVID POWER Angle Grinder 4-1/ is better

Price

AVID POWER is significantly cheaper at $56.99.

Variable Speed

Offers 7 variable speed settings.

Included Accessories

Comes with multiple cutting and grinding wheels.

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

Portability

Cordless design allows for greater mobility.

Quick-Change Feature

Tool-free wheel release for easy changes.

Brand Reputation

DEWALT is known for high-quality power tools.

Overall score

AVID POWER Angle Grinder 4-1/
75
DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
85

Specifications

SpecAVID POWER Angle Grinder 4-1/DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
Motor Power1000W20V
Max RPM115008000
Weight5.5 lbs4.5 lbs
Speed Settings71
Guard TypeFixedTool-free

Dimension comparison

AVID POWER Angle Grinder 4-1/DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder

Overview of the Angle Grinders

The AVID POWER Angle Grinder is priced at $56.99, making it about 56% cheaper than the DEWALT DCG412B, which costs $127.99. Both grinders cater to similar needs in cutting and grinding but offer distinct features that may appeal to different users. The AVID POWER is a corded model with variable speed options, while the DEWALT is a cordless option designed for convenience and portability. This comparison will delve into the specific features and functionalities of each grinder.

Power and Performance

The AVID POWER Angle Grinder boasts a powerful 1,000W motor that can reach speeds of up to 11,500 RPM, offering flexibility with its seven variable speed settings. This allows users to tailor the speed according to the task at hand, whether for cutting or grinding. In contrast, the DEWALT DCG412B features a robust 8,000 RPM motor, which, while slightly less powerful, effectively supports various cutting and grinding applications. The different power outputs cater to users with varying needs, from heavy-duty tasks to lighter jobs.

Design and Build Quality

The design of the AVID POWER Angle Grinder emphasizes safety and comfort, featuring a paddle switch with a lock-on button for extended use. It also includes a wheel guard to protect users from sparks and debris. The extended body design enhances safety by keeping the cutting wheel further away from the user. On the other hand, the DEWALT DCG412B emphasizes user convenience with its tool-free guard adjustments and a Quick-Change Wheel Release, allowing for fast wheel changes without the hassle of a wrench. Both designs focus on user comfort but approach it in unique ways.

Ease of Use

The AVID POWER Angle Grinder is designed for easy operation, with an integrated spindle lock that facilitates quick wheel replacements. It also features a two-position handle for improved control, accommodating both left and right-handed users. Meanwhile, the DEWALT DCG412B offers a two-finger trigger switch with a lock-off button, which enhances grip and control during operation. Both grinders are user-friendly, but the AVID POWER may provide a slight edge for those requiring variable speed control for different tasks.

Safety Features

Safety is paramount in power tools, and both grinders incorporate features to protect users. The AVID POWER Angle Grinder includes a protective wheel guard and a non-slip rubber grip to minimize vibration and enhance user comfort during extended use. In comparison, the DEWALT DCG412B also incorporates a tool-free guard that facilitates quick adjustments, ensuring that users can adapt to different tasks swiftly. Each grinder's safety features are designed to provide peace of mind, but the AVID POWER's guard placement may offer additional protection from sparks.

Versatility

The AVID POWER Angle Grinder is versatile, suitable for various cutting and grinding applications thanks to its variable speed settings. This flexibility makes it an excellent choice for DIY enthusiasts and professionals alike. Conversely, the DEWALT DCG412B, being a cordless model, provides unmatched portability, making it ideal for users who require mobility on job sites. Both grinders excel in versatility, but the choice between them may depend on whether you prioritize speed adjustment or cordless convenience.

Maintenance and Accessories

The AVID POWER Angle Grinder comes with a comprehensive package that includes two cutting wheels, two metal grinding wheels, a lock nut wrench, and a side handle. This ensures that users have essential tools readily available for immediate use. On the other hand, the DEWALT DCG412B is sold as a tool-only option, requiring users to purchase batteries and accessories separately. While the AVID POWER offers more out-of-the-box usability, the DEWALT may appeal to those who already own DEWALT batteries and accessories.

Which should you buy?

Choosing between the AVID POWER Angle Grinder and the DEWALT DCG412B largely depends on your specific needs and preferences. The AVID POWER is significantly more affordable at $56.99 compared to the DEWALT's $127.99, making it a great choice for those on a budget or those who need a reliable corded grinder. However, if portability and convenience are your top priorities, the DEWALT's cordless design and quick wheel change feature may justify its higher price. Ultimately, both grinders excel in their respective areas, catering to different user requirements.