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.
| Model | 231C |
| Configuration | Pistol |
| Actuation | Trigger |
| Drive Size | 1/2 in. |
| Drive Type | Square, Hog-Ring |
| Forward Torque (ft-lbs) | 425 |
| Forward Torque (Nm) | 575 |
| Max Reverse Torque (ft-lbs) | 600 |
| Max Reverse Torque (Nm) | 813 |
| Blows per minute | 1200 |
| Free Speed (RPM) | 8000 |
| Impacting Sound Level dB(A) -- ISO15744 (pressure/power) | N/A |
| Free Speed Sound Level dB(A) -- CAGI/ANSI S12.41 (pressure/power) | 99.0 / 110.0 |
| Vibration Level m/s2 (K) | 6.5 (0.8) |
| Weight (lbs) | 5.8 |
| Weight (kg) | 2.63 |
| Width (in) | 2.81 |
| Width (mm) | 71 |
| Height (in) | 7.7 |
| Height (mm) | 195.6 |
| Length (in) | 7.3 |
| Length (mm) | 185 |
| Air Inlet | 1/4 in. |
| Min Hose Size (in) | 3/8 |
| Min Hose Size (mm) | 10 |
| Air Consumption @ Load (cfm) | 22 |
| Air Consumption @ Load (L/min) | 623 |
| Average Air Consumption (cfm) | 4.2 |
| Average Air Consumption (L/min) | 119 |
| PSI | 90 |
| Bar | 6.2 |
