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Ingersoll Rand Air Impact Wrench — 1/2in. Drive, Model# 231C
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Ingersoll Rand Air Impact Wrench — 1/2in. Drive, Model# 231C

Item# 11234

Only $159.99
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Manufacturer's Warranty: 12 months parts / 12 months labor

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Product Summary

This Ingersoll Rand air impact wrench was introduced over 25 years ago and has been continuously refined. Offers the sheer power and performance features to tackle the toughest jobs with ease - as well as proven durability and economy.

What's Included

  • (1) Air impact wrench

Features + Benefits

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Features for Ingersoll Rand Air Impact Wrench — 1/2in. Drive, Model# 231C
  • Regulator allows variable power in one direction, full power in the opposite direction
  • Automatic lubrication for hammer and drive systems
  • Exclusive impact mechanism
  • Pressure-feed lubrication
  • Adjustable power regulator
  • Easy to service two-piece construction
  • Contoured handle for comfort and control

Key Specs

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Item#11234
Ship Weight7.0 lbs
Drive (in.)1/2
Speed - No Load (RPM)8,000
Average Air Consumption (CFM)4.2
CFM at Load22
Working Torque (ft.-lb.)25–350
Forward Torque (ft.-lbs.)350
Max. Torque (ft.-lbs.)600
Max. Reverse Torque (ft.-lbs.)600
Impacts Per Minute (IPM)1,200
Hammer MechanismTwin
Variable SpeedYes
ReversibleYes
Standard Bolt Capacity (in.)9/16
Inlet Size (in.)1/4
Min. Hose Size (in.)3/8
Noise Level (dB)99
Tool Weight (lbs.)5.8
Tool Length (in.)7 5/16

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
12 months parts / 12 months labor

Protect your purchase beyond the manufacturer's warranty
with Service Protection Plus!

DESCRIPTION (Click More Info for details) 1 Year Extension 2 Year Extension
Extended Warranty Replacement Plan
Only $14.99
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Extended Warranty + Accidental Damage Replacement Plan
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Drive (in.)
1/2 1/2 1/2 1 1
Speed - No Load (RPM) 8,000 8,000 9,000 3,200 5,000
Average Air Consumption (CFM) 4.2 4 4 8.7 10
CFM at Load
22 4.5 4.3 8.7 37
Operating PSI - 90–120 90–120 90 -
Working Torque (ft.-lb.) 25–350 200–900 200–950 2,300 100–900
Forward Torque (ft.-lbs.) 350 - 200–950 2,300 900
Max. Torque (ft.-lbs.) 600 1,295 1,295 2,300 1,475
Nut Busting Torque (ft.-lbs.) - - - 2,300 -
Max. Reverse Torque (ft.-lbs.) 600 - 1,295 2,300 1,475
Impacts Per Minute (IPM) 1,200 950 under load 1,400 400 830
Hammer Mechanism Twin Twin clutch Twin Pinless -
Variable Speed
Yes No Yes Yes Yes
Reversible Yes Yes Yes Yes Yes
Standard Bolt Capacity (in.) 9/16 - 3/4 1.72 1 1/4
Inlet Size (in.) 1/4 1/4 1/4 1/2 1/2
Min. Hose Size (in.) 3/8 3/8 1/4 1/2 1/2
Noise Level (dB)
99 86 85 118 103.4
Tool Weight (lbs.) 5.8 4 1/2 4.5 37 27.8
Tool Length (in.) 7 5/16 8 1/4 7.5 24 20 1/8
Case Included - No No Yes -