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Ingersoll Rand 301B Air Die Grinder – 1/4", Right vs Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5

Updated July 2026 — Ingersoll Rand 301B Air Die Grinder – 1/4", Right wins on price and rpm, Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 wins on durability.

The Ingersoll Rand 301B is a more affordable and versatile option for precision tasks, while the Milwaukee grinder excels in heavy-duty cutting applications.

Why Ingersoll Rand 301B Air Die Grinder – 1/4", Right is better

Price

Ingersoll Rand is $61.99 compared to Milwaukee's $110.00

RPM

Ingersoll Rand has a higher RPM of 21,000 vs Milwaukee's 11,000

Weight

Ingersoll Rand is lighter at 1.02 lbs compared to Milwaukee's weight

Why Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5 is better

Cordless

Milwaukee offers cordless convenience

Guard Adjustment

Milwaukee features tool-free guard adjustment

Durability

Milwaukee has overload protection and an electronic clutch

Overall score

Ingersoll Rand 301B Air Die Grinder – 1/4", Right
85
Milwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5
75

Specifications

SpecIngersoll Rand 301B Air Die Grinder – 1/4", RightMilwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5
Motor Power0.25 HPN/A
Max RPM21,00011,000
Power SourceAirCordless
Safety FeaturesSelf-locking throttleOverload protection
ConstructionAluminumRobust engineering

Dimension comparison

Ingersoll Rand 301B Air Die Grinder – 1/4", RightMilwaukee Electric - M18TRADE BRUSHLESS 4-1/2 / 5

Overview of the Ingersoll Rand 301B Air Die Grinder

The Ingersoll Rand 301B Air Die Grinder is a compact and lightweight tool designed for precision work in tight spaces. Weighing only 1.02 lbs, it is engineered for ease of use and maneuverability. This model features a 0.25 horsepower motor that reaches speeds of 21,000 RPM, allowing it to tackle various grinding, cutting, and polishing tasks efficiently.

The die grinder's robust aluminum housing ensures durability, while the ball-bearing construction enhances balance and reduces vibration for a smoother operation. With its self-locking throttle for safety and a front exhaust to keep work surfaces clean, the 301B stands out as an ideal choice for those in need of a reliable air-powered tool.

Overview of the Milwaukee Electric M18TRADE Brushless Cut-Off Grinder

The Milwaukee Electric M18TRADE Brushless Cut-Off Grinder is a high-performance cordless tool that delivers significant power with a maximum speed of 11,000 RPM. Designed for versatility, this grinder is suitable for various cutting applications and features a paddle switch design that allows for easy control during operation.

One of its notable features is the tool-free guard adjustment, making it simple to modify the guard position for different tasks. Additionally, the overload protection and electronic clutch enhance the grinder's safety and durability, ensuring it can withstand demanding job site conditions. As a cordless option, it provides the freedom to work without being tethered to a power source.

Price Comparison

The Ingersoll Rand 301B Air Die Grinder is currently priced at $61.99, while the Milwaukee Electric M18TRADE Brushless Cut-Off Grinder is priced at $110.00. This makes the Ingersoll Rand about 44% cheaper than the Milwaukee option. If budget is a primary concern, the 301B offers a more economical choice without sacrificing essential features for general-purpose grinding and cutting tasks.

While the Milwaukee grinder comes with the advantages of being cordless and incorporating advanced safety features, the price difference may lead some users to prioritize the more budget-friendly Ingersoll Rand, especially for light to moderate applications.

Performance Comparison

In terms of performance, the Ingersoll Rand 301B excels in precision tasks with its higher RPM of 21,000, making it ideal for intricate work like polishing and de-burring. The lightweight design further enhances its operability in tight spaces, allowing users to maneuver easily.

Conversely, the Milwaukee Electric grinder, with its 11,000 RPM, is designed for heavier-duty cutting tasks, providing ample power for tougher materials. However, the lower RPM might limit its effectiveness in finer applications. Therefore, while both tools are capable, they cater to different user needs based on the type of work they intend to perform.

Durability and Build Quality

The Ingersoll Rand 301B is built with an aluminum housing that ensures it can withstand tough operating conditions. The ball-bearing construction not only provides improved balance but also helps reduce vibration, contributing to a longer product life.

On the other hand, the Milwaukee Electric grinder features robust engineering that includes overload protection and an electronic clutch, which adds to its durability. While both tools are built to last, the choice may come down to the specific environments they will be used in. The 301B is more suited for precision tasks, while the Milwaukee is better for heavy-duty applications.

Ease of Use

The Ingersoll Rand 301B is designed with user-friendliness in mind, featuring a self-locking throttle that prevents accidental start-ups, which is crucial for safety. Its lightweight nature and compact design allow for easy operation, particularly in confined spaces.

The Milwaukee grinder also emphasizes ease of use with its paddle switch design and tool-free guard adjustment. This makes it quick and easy to change the guard when switching tasks. However, some users may find the need to manage battery life with the Milwaukee model, while the air-powered Ingersoll Rand offers consistent power without the need for recharging.

Applications and Versatility

The Ingersoll Rand 301B is versatile enough for various tasks such as grinding, cutting, and polishing, making it suitable for hobbyists and professionals alike. Its right-angle configuration allows access to tight spots, making it a practical choice for intricate projects.

The Milwaukee Electric grinder is primarily focused on cutting applications, making it ideal for contractors and users needing a powerful tool for more demanding jobs. While both tools have their strengths, the Ingersoll Rand may be more applicable for general-purpose use, whereas the Milwaukee excels in robust cutting scenarios.

Which should you buy?

Deciding between the Ingersoll Rand 301B Air Die Grinder and the Milwaukee Electric M18TRADE Brushless Cut-Off Grinder ultimately depends on your specific needs. If you're looking for a lightweight, affordable, and versatile tool for precision tasks, the Ingersoll Rand is a compelling option at $61.99. However, if you require a powerful, cordless solution for tougher cutting jobs, the Milwaukee grinder, priced at $110.00, offers robust features and performance. Each tool has its unique advantages, so consider your primary tasks and budget to make the best choice for your projects.