Ingersoll Rand 301B Air Die Grinder – 1/4", Right vs Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless
Updated July 2026 — Ingersoll Rand 301B Air Die Grinder – 1/4", Right wins on rpm, Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless wins on price and power.
The Ingersoll Rand 301B offers a lightweight and economical option for general grinding tasks, while the Milwaukee M18 FUEL provides advanced features and cordless convenience for tougher applications.
Why Ingersoll Rand 301B Air Die Grinder – 1/4", Right is better
Price
Ingersoll Rand is significantly cheaper at $61.99.
Speed
Ingersoll Rand has a higher RPM at 21,000.
Weight
Ingersoll Rand is lighter at 1.02 lbs.
Why Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless is better
Power
Milwaukee generates 11A corded power.
Safety
Milwaukee features RAPIDSTOP Brake for enhanced safety.
Cordless
Milwaukee offers cordless convenience.
Overall score
Specifications
| Spec | Ingersoll Rand 301B Air Die Grinder – 1/4", Right | Milwaukee M18 FUEL 18-Volt Lithium-Ion Brushless |
|---|---|---|
| Motor Type | Air | Brushless |
| Collet Size | 1/4 inch | 5 inch |
| Housing | Aluminum | Plastic |
| Throttle | Self-locking | Paddle switch |
| Applications | Grinding, Cutting | Grinding, Cutting |
Dimension comparison
Overview of the Ingersoll Rand 301B Air Die Grinder
The Ingersoll Rand 301B Air Die Grinder offers a lightweight and robust design, making it a solid choice for those needing a reliable angle grinder. Priced at $61.99, this tool is about 70% cheaper than the Milwaukee M18 FUEL 18-Volt grinder. Weighing only 1.02 lbs, it features a 0.25 horsepower motor capable of reaching speeds up to 21,000 RPM. The die grinder’s ball-bearing construction enhances its durability and reduces vibration, ensuring a longer lifespan. With its aluminum housing, the 301B is designed to withstand tough operating conditions, making it an excellent option for general-purpose grinding tasks.
Overview of the Milwaukee M18 FUEL Grinder
The Milwaukee M18 FUEL 18-Volt Grinder stands out due to its cordless convenience and advanced features, priced at $207.98. Generating power equivalent to 11 amps, it operates at a maximum speed of 8,500 RPM. This grinder is designed for enhanced accessibility with its low-profile, flathead design, which allows users to reach tight spaces that traditional grinders may struggle with. The RAPIDSTOP Brake feature significantly enhances safety by stopping most wheels in less than 2 seconds. Although it has a higher price point, the Milwaukee grinder provides advanced technology and performance, targeting users who require both power and safety.
Performance Comparison
In terms of performance, the Ingersoll Rand 301B delivers a higher speed of 21,000 RPM compared to the Milwaukee’s 8,500 RPM. This makes the Ingersoll Rand more suitable for tasks requiring high RPMs, such as polishing and grinding. However, the Milwaukee grinder compensates for its lower speed with its ability to generate 11 amps of power, providing a corded-like performance in a cordless design. The choice between the two ultimately comes down to the type of work being performed; high-speed tasks may benefit from the Ingersoll Rand, while projects requiring sustained power in tight spaces may favor the Milwaukee.
Design and Build Quality
The Ingersoll Rand 301B features a lightweight aluminum housing that contributes to its overall portability and ease of use. Its ball-bearing construction not only enhances durability but also minimizes vibration, improving user comfort during extended use. In contrast, the Milwaukee M18 FUEL grinder, while heavier, incorporates a low-profile, flathead design that allows for better access in constrained areas. Both tools are designed with user safety in mind; the Ingersoll Rand includes a safety-lock throttle lever, while the Milwaukee features the RAPIDSTOP Brake. Ultimately, the choice depends on whether you prefer a lightweight tool for mobility or a heavier, more accessible design.
Price Comparison
The Ingersoll Rand 301B is significantly more budget-friendly at $61.99, making it about 70% cheaper than the Milwaukee M18 FUEL grinder at $207.98. This substantial price difference may appeal to users seeking a cost-effective solution for general grinding tasks. However, the Milwaukee grinder’s price reflects its advanced features and capabilities, including cordless operation and enhanced safety features. For professionals or serious DIYers who need high performance and convenience, the investment in Milwaukee might justify the higher cost, while casual users may find the Ingersoll Rand to be more than sufficient for their needs.
Applications
The Ingersoll Rand 301B is versatile for various applications, including grinding, cutting, and polishing. Its lightweight and compact design make it ideal for accessing tight spots, which is particularly useful for intricate work. On the other hand, the Milwaukee M18 FUEL grinder is engineered for tougher grinding and cutting applications, providing sustained power for demanding tasks. Its ability to operate in confined spaces with its low-profile design also makes it suitable for various projects. Choosing between them will largely depend on the specific tasks you plan to tackle.
User Experience
Users of the Ingersoll Rand 301B often praise its lightweight design and ease of operation, making it suitable for prolonged use without fatigue. The tool’s safety features, including the self-locking throttle, provide peace of mind during operation. Conversely, the Milwaukee M18 FUEL grinder has garnered attention for its powerful performance and advanced safety features like the RAPIDSTOP Brake, enhancing user confidence during high-intensity tasks. Both products have their strengths, catering to different user preferences and requirements, whether it’s ease of use or enhanced safety and power.
Which should you buy?
Deciding between the Ingersoll Rand 301B Air Die Grinder and the Milwaukee M18 FUEL 18-Volt Grinder depends on your specific needs and budget. If you’re looking for an economical, lightweight tool for general grinding tasks, the Ingersoll Rand is an excellent choice at $61.99. However, if you require advanced features and the convenience of cordless operation for tougher applications, the Milwaukee grinder is worth the investment at $207.98. Ultimately, weigh the importance of price against performance and features in relation to your projects to determine the ideal grinder for your needs.

