Ingersoll-Rand 231C 1/2-Inch Super-Duty Air Impact Wrench

The Ingersoll Rand 231C Air Impact Wrench at a Glance: Delivers maximum torque of 425 ft./lbs Adjustable power regulator for variable power in one direction, full power in the other Equipped with an exclusive Twin Hammer Plus impact mechanism Compact, lightweight design for all-day use Ready to go right out of the box; arrives fully lubricated

The easy-grip handle and adjustable power regulator provide both comfort and control. View larger.

Strong torque capability within a lightweight frame helps you tackle your work with ease. View larger.

This compact tool delivers a maximum torque of 425 ft./lbs. and provides an impressive speed of 8,000 RPM (1,200 BPM) for fast, efficient performance.

Adjustable Power Regulator for Optimum Results
To help maintain consistent results, the 231C's adjustable power regulator provides variable power in one direction and full power in the opposite direction, which gives you the freedom to set the power independently.

Compact and Lightweight for All-Day Use
Measuring only 7.2 inches in length and weighing just 5.3 pounds, the 231C is compact and lightweight enough to minimize stress on your wrists and hands. It's also easy to take with you as you move around the shop or jobsite.

Caring for the 231C is as simple as can be thanks to the easy-to-service, two-piece construction and the contoured handle that ensures comfort and control, even during all-day jobs.

For added convenience, the 231C arrives fully lubricated and ready to go right out of the box.

Ingersoll Rand: Getting Things Done
Part of the larger Ingersoll Rand Corporation, a $13 billion global company with a 100-year tradition of technological innovation, Ingersoll Rand provides affordable products, services, and solutions that enhance energy efficiency, productivity, and operations. Its diverse and innovative products range from complete compressed air systems, tools, and pumps to material and fluid handling systems to environmentally friendly microturbines.

What's in the Box
231C Impact Wrench and instruction manual.


Product Description
This Ingersoll Rand air impact wrench was introduced over 25 years ago and has been continuously refined. It offers the sheer power and performance to tackle tough jobs with ease. Drive (in.): 1/2, Average Air Consumption (CFM): 4.2, CFM at Load: 22, Speed - No Load (RPM): 8,000, Blows Per Minute (BPM): 1,200, Max. Torque (ft.-lbs.): 600, Working Torque (ft.-lb.): 25 - 230, Inlet Size (in.): 1/4, Min. Hose Size (in.): 3/8, Hammer Mechanism: Twin, Standard Bolt Capacity (in.): 9/16, Variable Speed: Yes