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Chicago Pneumatic – 3/8” ULTRA COMPACT IMPACT WRENCH

$329.00 inc. GST

Key Features: CP7731C

  • 2.1 lbs. – 1.0 Kg
  • 346 ft.lbs – 470 Nm of maximum torque in reverse
  • 4 1/4 in – 107 mm length
  • Jumbo hammer mechanism
  • Steel motor
  • Aluminum clutch housing
  • Composite housing with curved handle with Thermo-Plastic Rubber injected
  • S2S: 1 hand Forward – Reverse operation
  • New power setting system: 1 hand-operation behind the trigger
  • 2 positions in reverse: max and lower torque
  • 2 positions in forward: max and low torque
  • Socket retainer ring
  • Full teasing trigger

View Chicago Pneumatics Catalogue


Left handed users has got nothing to worry about the CP7731C 3/8″ Ultra Compact Impact Wrench because of its one hand forward/reverse operation. It works great on auto body repair and installing and removing threaded fasteners in wood, metal, and plastic.

Key Benefits:

– Has the best power to weight ration of 346 ft-lbs / 470 Nm to ease operator’s use.

– Has a Thermo-Plastic Rubber injected and a composite housing with curved handle.

– Features a one hand Forward-Reverse operation which works perfectly with left handed users.

– Features a new power setting system which is a one hand-operation located behind the trigger.

– Has a full teasing trigger.

– Includes a steel motor and a jumbo hammer mechanism.

– Aluminum clutch housing

Specifications & details:
– Model: CP7731C
– Part number: 8941077311
– Actual air consumption: 7.9 l/s
– Air inlet thread size: 1/4″
– Average air consumption: 2 l/s
– Blows per minutes: 1400
– Clutch type: Single dog clutch
– Free speed: 9000 rpm
– Handle type: Pistol
– Length: 110 mm
– Maximum Torque (reverse): 469 Nm
– Min. hoe size: 10 mm
– Weight: 1kg
– Power/weight ratio: 469 Nm/kg
– Socket retainer: Friction ring
– Sound Power: 107 db(A)
– Sound pressure: 96 db(A)
– Square drive: 3/8″
– Vibration: 10.33 m/s²
– Vibration ISO: ISO-28927-2
– Vibration uncertainty (K): 1.38 m/s²
– Working Torque Range (fwd): 83-932 Nm

View Chicago Pneumatics Catalogue

Additional information

Weight 1 kg
Dimensions 12 × 12 × 6 cm


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If you wish to collect your product from our showroom in Canning Vale, please select 'Click & Collect' at check out.

1/19 Mordaunt Circuit
Canning Vale
Perth 6155

1300 062 377



  • Tracking number emailed instantly after dispatch
  • Your item will be shipped via Courier which requires a signature for collection.
  • Phone number required: Our courier will call to book the delivery day.
  • A delivery day, not time: Our discounted rates require you to be home 9am-6pm on the day of delivery. Perhaps a business address is more convenient for you.

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