10 Best Dewalt Grinders 2026 in the United States

The DEWALT 20V MAX Angle Grinder (DCG413B) is a solid choice for those looking for a powerful and versatile tool for grinding tasks. Its brushless motor enhances efficiency and eliminates the need for brush changes, making maintenance easier. The grinder operates at a maximum speed of 3450 RPM, ideal for various grinding applications, and its lightweight design (3.75 pounds) makes it easy to handle during extended use.

One of the standout features is its safety mechanisms. The electronic brake stops the wheel quickly, which can prevent accidents and injuries. Additionally, the kickback brake and E-Switch protection further enhance safety by minimizing unexpected starts and stops. This is particularly beneficial for DIYers and professionals alike who prioritize safety while working.

However, there are some considerations to keep in mind. As a tool-only option, it does not come with a battery or charger, which means users will need to purchase these separately if they don't already have them. This could be an added cost for those just starting their tool collection. Furthermore, while the grinder is powerful, its 4-1/2 inch disc size may be limiting for more extensive projects requiring larger discs.

The DEWALT 20V MAX Cordless 4 1/2 Inch Grinder (DCG408B) is a battery-powered tool designed for portability and convenience without sacrificing performance. Its brushless motor provides up to 850 MWO and spins discs at a high speed of 9,000 RPM, making it powerful enough for cutting and grinding tasks like rebar cutting. The 4 1/2 inch disc size is a common and versatile choice, suitable for a wide range of general metalwork and construction jobs. Weighing just 3.55 pounds (bare tool), it's lightweight and ergonomic, which helps reduce user fatigue during extended use. Safety is well-addressed with features like a Kickback Brake and E-Clutch to prevent sudden tool movement and increase control.

As a bare tool, it requires purchasing the battery and charger separately, which could add to the initial cost. The battery life allows for around 56 cuts on 1/2-inch rebar, which is decent but might limit longer jobs without spare batteries. This grinder is a good fit for DIYers and professionals needing a cordless, easy-to-handle grinder for medium-duty tasks, especially where portability is important. It is less ideal for heavy industrial use that demands longer continuous run time or larger disc sizes.

The DEWALT DW758 8-Inch Bench Grinder is a robust and powerful tool, ideal for industrial grinding applications. Powered by a 3/4 HP induction motor, it delivers impressive power and can operate at a high speed of 3,600 RPM, making it suitable for rapid material removal. The grinder features a durable cast iron base and motor housing, enhancing its longevity and stability during use. The 8-inch disc size provides ample surface area for a variety of grinding tasks. Additionally, the 12-1/2-inch distance between wheels allows for larger and longer pieces to be worked on comfortably.

Ergonomics and user comfort are considered with precision-machined aluminum tool rests, which help users position their work accurately. The rear exhaust ports in the wheel guards contribute to smoother operation by managing debris and airflow efficiently. However, at approximately 0.22 kilograms (7.7 ounces), the grinder is relatively lightweight, which may affect its stability during intense grinding tasks. Safety features include eye shields and spark deflectors to protect users from debris and sparks, although some users might prefer more comprehensive safety guards.

One potential drawback is that it is corded electric, limiting its portability and requiring access to a power outlet. Despite this, it remains a popular choice, ranking #2 in Power Bench Grinders on various platforms and receiving a strong customer rating of 4.7 out of 5 stars from over 2,400 reviews. This bench grinder comes with a 3-year limited warranty, 1 year of free service, and a 90-day satisfaction guarantee, offering users peace of mind and confidence in their purchase. The DEWALT DW758 is a reliable and efficient bench grinder, best suited for users needing a durable and high-performing tool for heavy-duty grinding tasks.