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Winner
The DEWALT 20V MAX* Angle Grinder Tool (DCG413B) is a battery-powered grinder designed for a variety of grinding tasks. Its brushless motor is a significant advantage, reducing maintenance as it does not require brush changes. This tool is equipped with a 4-1/2 inch disc size, which is versatile for various applications. At 3.75 pounds, it is relatively lightweight, making it easier to handle for extended periods.
The tool features a maximum speed of 3450 RPM, which is decent for most grinding tasks but may fall short for very heavy-duty jobs that require higher speeds. The handle design includes a two-stage trigger and an E-Switch Protection, adding layers of safety and preventing accidental start-ups. Additionally, the Kickback Brake and rapid stop brake feature enhance user safety by quickly stopping the wheel when necessary. However, this grinder is sold as a 'tool only,' meaning you will need to purchase the battery separately, which could add to the cost.
Its power rating of 20 watts seems low on paper compared to corded models, but this is somewhat mitigated by its portability and convenience. Despite these minor drawbacks, the DEWALT 20V MAX* is highly rated by users, with a 4.8 out of 5 stars from over 14,000 reviews, indicating strong customer satisfaction. This tool would benefit DIY enthusiasts and professionals looking for a reliable, portable grinder with robust safety features.
The DEWALT DWE402 Angle Grinder is a strong contender in the large-angle-grinders category, featuring an 11 Amp motor that delivers 11,000 RPM, making it highly powerful for heavy-duty tasks. The 4.5-inch disc size is versatile for various applications. This grinder stands out with its Dust Ejection System, which enhances durability by ejecting dust and debris, prolonging the tool's life and ensuring smoother operation.
The Quick-Change Wheel Release is another notable feature, allowing for easy and tool-free wheel changes, adding to the convenience of use. Ergonomically, the grinder is designed with a small gripping surface and a newly designed side handle, which makes it comfortable to handle during extended use. The large spiral bevel gear contributes to a longer transmission life, and the auto-off brushes prevent tool damage by shutting down the grinder when the brushes need replacing.
Safety is also well-addressed with the One-Touch Guard that allows for 360-degree rotation and a top-mounted spindle lock button that helps maximize the depth of cut without compromising durability. However, at 15.63 inches in length and weighing more than some other models, it may be slightly bulky for some users. Additionally, being a corded electric tool, it limits mobility compared to cordless models. Despite these minor drawbacks, the DEWALT DWE402 offers excellent power, durability, and user-friendly features, making it suitable for both professional tradespeople and serious DIY enthusiasts.
The DEWALT FLEXVOLT ADVANTAGE 20V MAX* Angle Grinder (DCG416B) is a versatile, battery-powered tool designed for substantial power and safety. One of its major strengths is its compatibility with both 20V MAX* and FLEXVOLT batteries, which can boost its power by up to 54%, making it suitable for heavy-duty grinding tasks. The grinder supports disc sizes from 4-1/2 inches to 5 inches, providing flexibility for various applications.
The inclusion of a paddle switch offers an ergonomic handle design, which is easier to control and reduces user fatigue over long tasks. Additionally, it features a Kickback Brake and E-CLUTCH that significantly enhance user safety by stopping the wheel and shutting down the motor almost instantaneously in case of a bind-up or pinch/stall. The E-Switch Protection is another safety bonus that prevents accidental restarts after a power outage or unexpected shutdowns.
For tech-savvy users or those managing multiple tools, the grinder is Tool Connect Chip Ready, allowing asset management through the Tool Connect Site Manager app. However, the absence of an included battery (tool only) means additional purchases are necessary for first-time users. Despite being a battery-powered tool, it is a solid choice for those needing a robust and safe grinder for both medium and heavy-duty projects, especially in settings where portability and battery power are advantageous.