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DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder vs Ingersoll Rand 301B Air Die Grinder – 1/4", Right

Updated July 2026 — Ingersoll Rand 301B Air Die Grinder – 1/4", Right leads on price and speed.

The Ingersoll Rand 301B offers better value with its lower price and higher RPM, while the DEWALT DCG412B provides more features for heavy-duty tasks.

Why DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder is better

Price

DEWALT is more expensive.

Power

DEWALT has lower RPM.

Weight

DEWALT is heavier.

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

Price

Ingersoll Rand is cheaper.

Power

Ingersoll Rand has higher RPM.

Weight

Ingersoll Rand is lighter.

Overall score

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
75
Ingersoll Rand 301B Air Die Grinder – 1/4", Right
85

Specifications

SpecDEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderIngersoll Rand 301B Air Die Grinder – 1/4", Right
Motor TypeElectricAir
RPM800021000
Weight4.0 lbs1.02 lbs
Power0.0 HP0.25 HP
ConstructionMetalAluminum

Dimension comparison

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” GrinderIngersoll Rand 301B Air Die Grinder – 1/4", Right

Price Comparison

When comparing prices, the Ingersoll Rand 301B Air Die Grinder is significantly cheaper than the DEWALT DCG412B. The DEWALT grinder is priced at $127.99, while the Ingersoll Rand comes in at $61.99. This means the Ingersoll Rand is about 52% less expensive than the DEWALT model. For those on a budget or looking for a cost-effective solution for grinding tasks, the Ingersoll Rand offers a more accessible price point, making it an attractive option for DIY enthusiasts or professionals who need reliable tools without breaking the bank.

Power and Performance

In terms of performance, the DEWALT DCG412B boasts an 8,000 RPM motor, providing substantial power for cutting and grinding applications. In contrast, the Ingersoll Rand 301B features a 0.25 horsepower motor that achieves an impressive free speed of 21,000 RPM. This higher speed allows the Ingersoll Rand to power through tough jobs with ease. If raw power and speed are your primary considerations, the Ingersoll Rand surpasses the DEWALT in performance metrics, making it more suitable for heavy-duty tasks.

Weight and Design

The DEWALT grinder is designed for durability and ease of use, but it lacks the lightweight advantage of the Ingersoll Rand. Weighing only 1.02 lbs, the Ingersoll Rand 301B is easier to handle in tight spaces and for extended periods. Its small and lightweight design enhances maneuverability, making it suitable for detailed work requiring precision. The DEWALT, while robust, may feel heavier during prolonged use. For users who prioritize portability and ease of handling, the Ingersoll Rand clearly stands out in this category.

Versatility in Applications

The DEWALT DCG412B is designed for cutting and grinding applications, with a quick-change wheel release for easy adjustments. It also features a 2-position side handle for added control and comfort. The Ingersoll Rand 301B, however, is marketed as a general-purpose tool, suitable for grinding, cutting, polishing, and more. Its right-angle configuration allows access to tight spots, making it versatile for a variety of tasks. If versatility is essential, the Ingersoll Rand is better equipped to handle diverse applications, from deburring to polishing.

Construction Quality

Both tools are constructed with durability in mind, but they cater to different needs. The DEWALT grinder features a robust design with a tool-free guard for quick adjustments, while the Ingersoll Rand boasts a ball-bearing construction that reduces vibration and enhances balance. The aluminum housing of the Ingersoll Rand allows it to withstand tough operating conditions, indicating a focus on lightweight durability. For users concerned with long-term reliability in harsh environments, the Ingersoll Rand's design may offer a slight edge due to its lightweight yet sturdy materials.

Safety Features

Safety is paramount when working with power tools, and both models include features aimed at protecting the user. The DEWALT DCG412B is equipped with a 2-finger trigger switch with a lock-off button to prevent accidental activation. Meanwhile, the Ingersoll Rand features a self-locking throttle for added safety and an integral safety-lock throttle lever. While both tools prioritize user safety, the DEWALT's additional features may provide more peace of mind for users who prefer enhanced control during operation.

User Experience and Handling

In terms of user experience, both tools are designed for ease of use, but they cater to different user preferences. The DEWALT grinder's tool-free wheel release and quick guard adjustments make it convenient for users who prefer a hassle-free setup. The Ingersoll Rand, on the other hand, is exceptionally lightweight, making it easier to maneuver in tight spaces. The DEWALT's side handle enhances control, while the Ingersoll Rand's design allows for effortless operation in various positions. Ultimately, the choice may depend on individual user preferences regarding handling and usability.

Which should you buy?

Deciding between the DEWALT DCG412B and the Ingersoll Rand 301B depends on your specific needs as a user. If you are seeking a more powerful tool for heavy-duty grinding tasks and don’t mind spending extra, the DEWALT's higher RPM and additional features may justify its price. However, if you prioritize a lightweight, versatile tool at a lower cost, the Ingersoll Rand stands out as the better choice. With its lower price point and impressive performance in various applications, the Ingersoll Rand is likely to offer excellent value for general-purpose grinding and cutting tasks.