DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - vs Ingersoll Rand 301B Air Die Grinder – 1/4", Right
Updated July 2026 — DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - wins on power and safety, Ingersoll Rand 301B Air Die Grinder – 1/4", Right wins on weight and value.
The DEWALT grinder excels in power and versatility, while the Ingersoll Rand offers a lightweight and economical option for lighter tasks.
Why DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - is better
Power
Higher torque and variable speed for tough jobs
Features
Advanced safety features like anti-rotation system
Versatility
Can handle a wider range of materials and tasks
Why Ingersoll Rand 301B Air Die Grinder – 1/4", Right is better
Price
Significantly lower cost for budget-conscious buyers
Weight
Lightweight design for easy maneuverability
Speed
Higher RPM for quick tasks in tight spaces
Overall score
Specifications
| Spec | DEWALT 20V MAX* XR Brushless Cordless 4-1/2 in. - | Ingersoll Rand 301B Air Die Grinder – 1/4", Right |
|---|---|---|
| Motor Type | Brushless | Air |
| Max RPM | 9000 | 21000 |
| Power Source | Cordless | Pneumatic |
| Safety Features | Anti-Rotation | Self-Locking Throttle |
| Weight | 5.6 lbs | 1.02 lbs |
Dimension comparison
Overview of DEWALT 20V MAX* XR Brushless Cordless Grinder
The DEWALT 20V MAX* XR Brushless Cordless Grinder is a powerful tool designed for professional use, offering a high-performance brushless motor that delivers up to 1,640 MWO and speeds of 9,000 RPM. This tool is priced at $221.71 and is part of DEWALT's top-tier line of angle grinders. It stands out in the market with features that optimize user control and safety, making it suitable for a wide range of applications.
On the other hand, the Ingersoll Rand 301B Air Die Grinder is an economical choice, priced at $61.99, and focuses on portability and ease of use. With a free speed of 21,000 RPM, it provides excellent performance for grinding and polishing tasks, particularly in tight spaces. The contrast in pricing and power source—cordless versus pneumatic—highlights the different use cases for these tools.
Design and Build Quality
The DEWALT grinder features a robust design that aligns with the demands of professional trades, while the Ingersoll Rand die grinder emphasizes lightweight construction. Weighing only 1.02 lbs, the Ingersoll Rand is easy to maneuver, making it ideal for precision tasks in confined areas. Its aluminum housing is engineered to withstand tough conditions, ensuring durability.
In contrast, the DEWALT grinder, while heavier, is built for heavy-duty applications. Its anti-rotation system enhances safety by preventing excessive motion during operation, a crucial feature for professional settings. The ergonomic design of the DEWALT grinder supports prolonged use without discomfort, appealing to users who engage in extensive grinding operations.
Power and Performance
When it comes to power, the DEWALT grinder shines with its brushless motor, delivering a maximum output of 1,640 MWO and variable speeds up to 9,000 RPM. This capability allows users to tackle tougher jobs with ease by adjusting the wheel speed according to the material being worked on.
Conversely, the Ingersoll Rand 301B operates at a higher RPM of 21,000, which means it can complete tasks quickly but may not offer the same torque as the DEWALT grinder. The 0.25 horsepower motor, while sufficient for most light to medium-duty jobs, may not be ideal for heavy grinding tasks. This difference in power output emphasizes the DEWALT grinder's suitability for professionals versus the Ingersoll Rand's utility for general-purpose use.
Versatility and Usability
The DEWALT grinder is designed for versatility, capable of handling a wide range of materials thanks to its adjustable speed feature. This makes it a valuable tool for professionals who may need to switch between different tasks throughout the day. Additionally, it is part of the TOOL CONNECT system, allowing for effective asset management via a smartphone app.
In contrast, the Ingersoll Rand 301B is a specialized tool that excels in specific applications such as grinding, cutting, and polishing. Its right-angle configuration provides easy access to tight spots, making it a favorite among those who require precision in confined spaces. While it may not offer the same breadth of functionality as the DEWALT grinder, its design caters to a niche audience requiring lightweight and maneuverable tools.
Safety Features
Safety is paramount in power tools, and both the DEWALT grinder and the Ingersoll Rand die grinder come equipped with features designed to protect the user. The DEWALT grinder includes an anti-rotation system that prevents tool motion during excessive rotational forces, enhancing user safety in demanding environments.
The Ingersoll Rand 301B features a self-locking throttle that helps prevent accidental startups, ensuring that users can operate the tool with confidence. While both tools prioritize safety, the DEWALT grinder's advanced safety features may appeal more to professionals working under rigorous conditions where tool control is critical.
Price Comparison
At $221.71, the DEWALT grinder is significantly more expensive than the Ingersoll Rand 301B, which is priced at $61.99. This represents a price difference of about 257%, reflecting the advanced features and performance capabilities of the DEWALT grinder tailored for professional use.
However, for those who only need a tool for lighter tasks, the lower price point of the Ingersoll Rand may be more appealing. This price disparity is essential to consider based on the intended application and frequency of use, as investing in a more expensive tool may yield better long-term value for professionals.
Customer Reception
The DEWALT grinder has a sales rank of 19,912, indicating a solid presence in the market, but it may not be the bestseller in its category. In contrast, the Ingersoll Rand 301B boasts a much better sales rank of 6,834, suggesting that it is favored among consumers for its affordability and practical design.
This difference in customer reception can often be attributed to the target audience; amateurs and DIY enthusiasts may gravitate toward the Ingersoll Rand for its economical price, while professionals may prefer the DEWALT for its superior performance and features.
Which should you buy?
Choosing between the DEWALT 20V MAX* XR Brushless Cordless Grinder and the Ingersoll Rand 301B Air Die Grinder ultimately depends on your specific needs and usage scenarios. If you require a powerful, versatile tool with advanced safety features for professional applications, the DEWALT grinder is the clear choice despite its higher price. However, if you're looking for a lightweight, economical tool for lighter tasks, the Ingersoll Rand 301B offers excellent value and performance. Consider the tasks you intend to perform and choose accordingly.

