SPECS
| Model # | HA6422 | HA6421 | HA6423 |
| Description | 1/2" Air Impact Wrench | 1/2" Air Impact Wrench | 1/2" Air Impact Wrench |
| Square Drive | 1/2" | 1/2" | 1/2" |
| Free Speed (forward) | 1000rpm | 7500rpm | 7000rpm |
| Max Torque(N.m.) | 450 | 600 | 700 |
| Air Inlet (NPT) | 3/8" | 3/8" | 3/8" |
| Air Hose (ID) | 1/2" | 1/2" | 1/2" |
| Overall Dimension | 5.3x2.7x4 inches | 7.3 x2.8x7.5 inches | 6.8 x2.7x8.2 inches |
| Net Weight | 3.31 lbs | 5.3 lbs | 5.74 lbs |
| Rated Pressure | 90 psi | 90 psi | 90 psi |
| Free Air Consumption | 750 L/min | 800 L/min | 850 L/min |
| Impact Mechanism | Double Loop | Double Loop | Double Loop |
| Recommended Bolts Range | M12-M16 | M12-M18 | M14-M20 |