Ingersoll Rand 231C 1/2-Inch-Drive Air Impact Wrench vs Protmex 1107Ft-lbs Cordless Impact Wrench, 1/2"
Updated August 2026 — Ingersoll Rand 231C 1/2-Inch-Drive Air Impact Wrench wins on comfort and weight, Protmex 1107Ft-lbs Cordless Impact Wrench, 1/2" wins on battery life and torque.
The Protmex 1107Ft-lbs offers superior torque and versatility at a lower price, making it a better choice for many users.
Why Ingersoll Rand 231C 1/2-Inch-Drive Air Impact Wrench is better
Brand Reputation
Ingersoll Rand has over 160 years of industry experience.
Lightweight
Ingersoll Rand weighs only 5.8 lbs.
Air Tool Efficiency
Ingersoll Rand is designed for heavy-duty automotive tasks.
Why Protmex 1107Ft-lbs Cordless Impact Wrench, 1/2" is better
Torque
Protmex offers 1107 ft-lbs of torque.
Cordless Convenience
Protmex is powered by a 21V battery system.
Price
Protmex is priced at $109.97, making it more affordable.
Overall score
Specifications
| Spec | Ingersoll Rand 231C 1/2-Inch-Drive Air Impact Wrench | Protmex 1107Ft-lbs Cordless Impact Wrench, 1/2" |
|---|---|---|
| Max Torque | 600 ft-lbs | 1107 ft-lbs |
| Power Source | Air | Cordless |
| Weight | 5.8 lbs | N/A |
| RPM | 8000 | 2300 |
| Battery Life | N/A | 70.5% |
Dimension comparison
Price Comparison
The Ingersoll Rand 231C is priced at $144.99, while the Protmex 1107Ft-lbs comes in at a significantly lower price of $109.97, making it about 24% cheaper than the Ingersoll Rand model. This price difference may be a determining factor for budget-conscious consumers or those seeking value without sacrificing quality. However, it's essential to consider that a lower price may come with trade-offs regarding features and performance. The Protmex's competitive pricing positions it as an attractive option for those looking to save money while still acquiring a high-torque impact wrench.
Power and Performance
In terms of power, the Protmex 1107Ft-lbs outshines the Ingersoll Rand 231C with a maximum torque of 1107 ft-lbs, compared to the 600 ft-lbs offered by the Ingersoll Rand. This significant difference in torque makes the Protmex more suitable for heavy-duty tasks, where high torque is essential for loosening stubborn bolts or nuts. Additionally, the Protmex features a brushless motor that delivers a maximum speed of 2300 RPM, enhancing its efficiency and reducing noise, while the Ingersoll Rand reaches rotational speeds of up to 8000 RPM. Although the Ingersoll Rand offers higher RPM, the overall torque capacity of the Protmex could be more beneficial for users needing substantial power in their impact wrench.
Design and Ergonomics
Both the Ingersoll Rand 231C and Protmex 1107Ft-lbs are designed for user comfort, but they approach it differently. The Ingersoll Rand features a lightweight design that weighs only 5.8 lbs, which helps minimize wrist strain during extended use. Its ergonomic contoured handle is tailored for comfort and optimal control. On the other hand, while the Protmex does not specify its weight, it is built for durability and includes a two-way braking system for added control during operation. The design philosophies cater to different user needs, with the Ingersoll Rand focusing on lightweight comfort and the Protmex emphasizing robust performance in tougher conditions.
Battery and Power Source
The Ingersoll Rand 231C operates on compressed air, which requires a compatible air compressor for use. This can be a limitation for users who prefer mobility and ease of use. In contrast, the Protmex 1107Ft-lbs is a cordless impact wrench powered by a 21V battery system, including two 4.0Ah batteries. This allows for greater flexibility and portability. The Protmex's battery system also supports fast charging, providing a more convenient solution for users who need to complete tasks quickly without the constraints of a power cord. For those who prioritize mobility and convenience, the Protmex presents a clear advantage.
Features and Functionality
When it comes to features, the Ingersoll Rand 231C includes an adjustable power regulator, which allows users to customize power output according to their needs. Additionally, it has a twin hammer mechanism for efficient performance. Conversely, the Protmex 1107Ft-lbs comes equipped with three-speed modes (0-1500 RPM, 0-1800 RPM, and 0-2300 RPM), offering versatility for various tasks. It also includes a built-in LED light for improved visibility in dimly lit areas, enhancing its functionality. While both tools offer unique features that cater to different user preferences, the Protmex has the edge with its additional modes and lighting feature, making it suitable for a wider range of applications.
Applications and Usability
The Ingersoll Rand 231C is ideal for professional mechanics and auto hobbyists, specifically designed to tackle automotive applications with its robust torque and efficient performance. Its reliable air tool capabilities are well-suited for heavy-duty tasks. In comparison, the Protmex 1107Ft-lbs excels in versatility, easily handling tasks ranging from removing rusty nuts to assembling DIY furniture. Its broad application potential makes it suitable for both casual users and professionals who tackle various projects. The differing target audiences for these tools highlight how each impacts usability and performance in real-world scenarios, with the Protmex appealing to a more diverse range of tasks.
Brand Reputation and Reliability
Ingersoll Rand boasts a legacy of over 160 years in the manufacturing of reliable air tools, establishing a strong reputation in the industry. The brand is synonymous with quality and durability, which can give consumers confidence in their investment. The Protmex brand, while newer, focuses on producing high-torque tools at competitive prices. However, it may not have the same level of established trust as Ingersoll Rand. Consumers who prioritize brand reputation and historical reliability may lean towards the Ingersoll Rand 231C, while those willing to explore a newer brand for potentially better value might find the Protmex appealing.
Which should you buy?
Choosing between the Ingersoll Rand 231C and the Protmex 1107Ft-lbs ultimately depends on your specific needs and preferences. If you prioritize brand reputation, lightweight design, and a reliable air-powered tool, the Ingersoll Rand 231C is a strong contender. However, if you are looking for a more powerful, versatile, and cordless impact wrench at a lower price point, the Protmex 1107Ft-lbs provides excellent value. With its higher torque and additional features, the Protmex may be the better choice for a broader range of tasks. Consider the applications you need the tool for and whether portability or brand trust is more important to you before making a decision.

