Product Line

1/2" Air Impact Wrench

Model No.: 6403 1/2" Air Impact Wrench, 7,200RPM / 500Ft-lbs. (678 Nm)

1/2" Air Impact Wrench (Standard / 2" Anvil), Max. Torque: 500Ft-lbs. (678Nm), 7,200RPM

Model No.: 6403 / 64032L


Designed for general repair work in auto shop
Ideal for vehicle tires and engine work
Handle Exhaust
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Catalog of Air Impact Wrench (1.1 MB)
Powerful and easy maintenance type
Twin hammer clutch
Adjustable regulator with 3 forward power settings and one full power setting in reverse
Durable steel hammer in heavy duty application for high performance
Balanced and contoured handle
Handle grip is optional
2" extended anvil for reaching deep tires, other deep and hard-to-reach spots (Model No.: 64032L)
Handle grip for comfortable handling is optional

1/2" or 1/2" with Extended 2" Anvil Air Impact Wrench

Model No.

6403 / 64032L

Free Speed

7,200 RPM


Twin Hammer

Working Torque (5 Seconds)

450Ft-lbs. (610 Nm) / 425Ft-lbs. (576 Nm)

Maximum Torque (15 Seconds)

500Ft-lbs. (678 Nm) / 450Ft-lbs. (610 Nm)

Bolt Capacity

3/4" (18mm)

Average Air Consumption

5CFM [141.6L/min]


188mm (7.4 in.) / 239mm (9.4 in.)

Net Weight

2.7kg [6.0 lbs.] / 2.8kg [6.2 lbs.]

Air Inlet


Air Pressure

90PSI [6.3 kg/cm²]

Packing Information
Model No.: 6403, Packing: 10PCS/CTN, N.W.: 29KG, G.W.: 30KG, CUFT: 1.5’
Model No.: 64032L, Packing: 10PCS/CTN, N.W.: 30KG, G.W.: 31KG, CUFT: 1.65’