CP7739 Chicago Pneumatic 1/2" Impact Wrench

CP7739 Chicago Pneumatic 1/2" Impact Wrench

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  • £145.00


  • General Maintenance
  • Maximize operator comfort with an extremely light & well balanced tool
  • Most convenient and unique reverse technology in the market


  • Mini 1/2" compact impact wrench for general maintenance
  • Twin hammer clutch
  • Composite handle and magnesium clutch housing
  • S2S technology and 3 positive power settings
  • Full teasing trigger
Handle typePistol 
Square drive1/2"
Working Torque Range (fwd)68-414 Nm50-305 
Working Torque Range (fwd)50-305 ft.lbs68-414 
Maximum Torque (reverse)610 Nm450 ft.lbs
Maximum Torque (reverse)450 ft.lbs610 Nm
Free speed9900 rpm
Blows per minute1700 
Net weight2.78 lb1.2 kg
Net weight1.2 kg2.78 lb
Power/weight ratio508.3 Nm/kg161.9 ft.lb/lb
Power/weight ratio161.9 ft.lb/lb508.3 Nm/kg
Length6.4"163 mm
Length163 mm6.4"
Side to center26 mm1"
Side to center1"26 mm
Average air consumption5 cfm
Average air consumption2.4 l/s5 cfm
Actual air consumption20 cfm
Actual air consumption9.4 l/s20 cfm
Air inlet thread size0.25 "
Min. hose size10 mm3/8"
Min. hose size3/8"10 mm
Sound pressure92 db(A)
Sound Power103 db(A)
Vibration α (ISO-28927-2)6.9 m/s²
Vibration K (ISO-28927-2)2.5 m/s²
Socket retainerFriction ring 
Clutch typeTwin hamme