CP7779 Chicago Pneumatic 1" Impact Wrench

CP7779 Chicago Pneumatic 1" Impact Wrench

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  • £334.00


  • Powerful impact for General Maintenance
  • Maximize operator comfort: lightweight and balanced design
  • Energy savings: low air consumption


  • 1" composite impact wrench with dual retainer (hole + ring)
  • 1,440 ft.lbs (1,950Nm) of maximum torque in reverse
  • Low consumption air motor at 31 cfm (14.7 l/s)
  • Insulating and lightweight composite handle
  • S2S easy forward reverse
  • Full teasing developed trigger
Handle typePistol 
Square drive1"
Working Torque Range (fwd)407-1,464 Nm300-1,080 
Working Torque Range (fwd)300-1,080 ft.lbs407-1,464 
Maximum Torque (reverse)1950 Nm1440 ft.lbs
Maximum Torque (reverse)1440 ft.lbs1950 Nm
Free speed7000 rpm
Blows per minute1200 
Net weight7.7 lb3.5 kg
Net weight3.5 kg7.7 lb
Power/weight ratio557.1 Nm/kg187 ft.lb/lb
Power/weight ratio187 ft.lb/lb557.1 Nm/kg
Length8.7"221 mm
Length221 mm8.7"
Side to center39 mm1.53"
Side to center1.53"39 mm
Average air consumption7.75 cfm
Average air consumption3.7 l/s7.75 cfm
Actual air consumption31 cfm
Actual air consumption14.7 l/s31 cfm
Air inlet thread size0.375 "
Min. hose size13 mm1/2"
Min. hose size1/2"13 mm
Sound pressure97 db(A)
Sound Power108 db(A)
Vibration α (ISO-28927-2)12.6 m/s²
Vibration K (ISO-28927-2)3.4 m/s²
Socket retainerDual (hole+friction) 
Clutch typeTwin hammer 
Box dimensions253*253*117 10*10*4.6
Box dimensions10*10*4.6253*253*117 
Over carton260*260*480 10.2*10.2*18.9
Over carton10.2*10.2*18.9260*260*480