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FREE SHIPPING — Ingersoll Rand Air Impact Wrench — 1/2in. Drive, 4.2 CFM, 590 Ft.-Lbs. Torque, Model# 231HA

Item# 158339
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FREE SHIPPING — Ingersoll Rand Air Impact Wrench — 1/2in. Drive, 4.2 CFM, 590 Ft.-Lbs. Torque, Model# 231HA

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Only $145.95

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  • In-handle exhaust directs air away from work area
  • Pressure-fed lubrication system
  • Adjustable power regulation
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Product Summary

This air impact wrench delivers the power and performance to tackle tough jobs with ease, including tire rotation, brake jobs, crank pulley bolt removal, and more.

Features + Benefits

  • In-handle exhaust directs air away from work area
  • Pressure-fed lubrication system
  • Adjustable power regulation
Key Specs
Item# 158339
Brand Ingersoll Rand
Manufacturer's Warranty 12 months parts / 12 months labor
Ship Weight 7.0 lbs
Speed - No Load (RPM) 8,000
Average Air Consumption (CFM) 4.2
Max. Reverse Torque (ft.-lbs.) 590
Forward Torque (ft.-lbs.) 450
Working Torque (ft.-lb.) 25–350
Drive (in.) 1/2
CFM at Load 22
Impacts Per Minute (IPM) 1,200
Hammer Mechanism Twin
Reversible Yes
Standard Bolt Capacity (in.) 9/16
Inlet Size (in.) 1/4
Min. Hose Size (in.) 3/8
Noise Level (dB) 94
Tool Weight (lbs.) 5.8
Tool Length (in.) 7.3

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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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FREE SHIPPING — Ingersoll Rand Air Impact Wrench — 1/2in. Drive, 4.2 CFM, 590 Ft.-Lbs. Torque, Model# 231HA The price is $145.95.
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Hide Similarities
Speed - No Load (RPM) 8,000 8,000 9,000 8,000 8,900
Average Air Consumption (CFM) 4.2 4.2 4.3 4.5 5
Max. Reverse Torque (ft.-lbs.) 600 590 1,295 - 690
Forward Torque (ft.-lbs.) 350 450 200–950 - -
Working Torque (ft.-lb.) 25–350 25–350 200–950 200–900 50–500
Max. Torque (ft.-lbs.) 600 - 1,295 1,295 690
Drive (in.)
1/2 1/2 1/2 1/2 1/2
CFM at Load
22 22 8 8 24
Operating PSI
- - 90–120 90–120 90
Impacts Per Minute (IPM) 1,200 1,200 1,400 950 under load 1,200
Hammer Mechanism Twin Twin Twin Twin clutch Twin hammer
Variable Speed
Yes - Yes No Yes
Reversible Yes Yes Yes Yes Yes
Standard Bolt Capacity (in.) 9/16 9/16 3/4 - -
Inlet Size (in.) 1/4 1/4 1/4 1/4 1/4
Min. Hose Size (in.) 3/8 3/8 1/4 3/8 3/8
Noise Level (dB)
99 94 85 86 95
Tool Weight (lbs.) 5.8 5.8 4.5 4 1/2 4.8
Tool Length (in.) 7 5/16 7.3 7.5 8 1/4 7.36
Case Included - - No No No