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Ingersoll-Rand IR-231 1/2'' Drive 600 ft-lb Super-Duty Impact Wrench

Tools & Accessories Warranty

Item Number: IR231C

Retail Price: $149.00

Our Price: $119.99

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The classic IR231 is the most popular tool in its class. Introduced over 25 years ago and continuously refined, it offers the sheer power and performance features to tackle the toughest jobs with ease ñ as well as proven durability and economy. Twin Hammer Plus and 600 ft./lbs. of Torque Deliver Efficient Performance

Whether you're a vehicle hobbyist or professional mechanic, the 231C can help simplify jobs like rotating tires or performing basic vehicle maintenance. It comes equipped with an exclusive Twin Hammer Plus impact mechanism for 1/2-inch drive, and it boasts an average air consumption of 4.2 CFM. And whether you're removing lug nuts or stubborn bolts, pressure-feed lubrication ensures ease of use.

This compact tool delivers a maximum torque of 600 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.

The IR231C Features:

  • Equipped with an exclusive Twin Hammer Plus impact mechanism.
  • Adjustable power regulator for variable power in one direction, full power in the other.
  • Pressure-feed lubrication.
  • Easy to service two piece construction.
  • Contoured handle for comfort and control.
  • Compact, lightweight design for all-day use.
  • Max Reverse Torque: 600 ft-lb. Working Torque Range 25-350 ft-lb
  • Free Speed (rpm): 8,000
  • Length in.(mm): 7.3(185)
  • Av. Air Cons. Cfm (i/min)
  • @ Load (I/min): 22(623)
  • Sound dBA(Pressure/Power): 102.0/115.0
  • Air Inlet NPTF in.: 1/4
  • Min. Hose Size In.(mm): 3/8(10)

Customer Reviews

Average! Customer Rating:

(10 Reviews)

Items 1 to 10 of 20 total

per page
September 13th, 2014

super handy

purchased this item a couple weeks ago and have not been disappointed!
September 12th, 2014

Ingersoll Rand impact

great impact I bought one cuz my son use one every day at his job and it works flawlessly very powerful
co man
August 30th, 2014

IR-231 Impact

Good Wrench works great
August 6th, 2014

Great price and service

Have much experience with this gun so, not much to say about it. It's a great impact gun. Price was very good and so was the service, thanks.
August 4th, 2014

IR 231

Awesome impact wrench . Great quality.
April 30th, 2014

r231Impact air tool

I used it the first day I received it, made my old one look real bad. Done a great job!!!!!!!!
Huntingburg Indiana
April 23rd, 2014


Great impact at a great price.
March 30th, 2014

still a great gun

my 231a died after 25yrs on professional use bought 231c to replace it c has a little more power but hard to tell difference still well made
March 17th, 2014

Automotive must have

The 231c has already proven itself since I got it... Durable and built to last. I would highly recommend this to anyone getting in to the automotive industry. Well worth the money
Port Orchard WA
February 21st, 2014

Good product

Does what I want, good delivery service.

    Items 1 to 10 of 20 total

    per page
    • Item Number: IR231C
    • Retail Price: $149.00

      Our Price: $119.99
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