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231 Series Air Impact Wrench

The heavy duty 231C impact wrench has the reliability and durability you’ve come to expect from the Ingersoll Rand name. The powerful tool provides an even impact and is durable enough to last through the toughest work environments.

Reliability:
  • Every time you pull the trigger, the 231C will deliver the same high-quality output time.
Durability:
  • Built to withstand harsh environments and repeated drops, this impact wrench won't let you down.

Model

Configuration

Actuation

Drive Size

Drive Type

Forward Torque (ft-lbs)

Forward Torque (Nm)

Max Reverse Torque (ft-lbs)

Max Reverse Torque (Nm)

Blows per minute

Free Speed (RPM)

Impacting Sound Level dB(A) -- ISO15744 (pressure/power)

Free Speed Sound Level dB(A) -- CAGI/ANSI S12.41 (pressure/power)

Vibration Level m/s² (K)

Weight (lbs)

Weight (kg)

Width (in)

Width (mm)

Height (in)

Height (mm)

Length (in)

Length (mm)

Air Inlet

Min Hose Size (in)

Min Hose Size (mm)

Air Consumption @ Load (cfm)

Air Consumption @ Load (L/min)

Average Air Consumption (cfm)

Average Air Consumption (L/min)

PSI

Bar

231C

Pistol

Trigger

1/2 in.

Square, Hog-Ring

425

575

600

813

1200

8000

N/A

99.0 / 110.0

6.5 (0.8)

5.8

2.63

2.81

71

7.7

195.6

7.3

185

1/4 in.

3/8

10

22

623

4.2

119

90

6.2