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18 volt Cordless Impact Wrench 1/2″ Square Drive

0111/114251 Milwaukee 18 volt 1/2” square drive impact wrench0111/114251 Milwaukee 18 volt 1/2” square drive impact wrench

Product Information

Milwaukee high torque impact wrench for tightening fasteners up to 1356Nm. Develops 1898Nm for loosening fasteners.

1-4 modes enables the engineer to select four different speed settings and torque settings to suit the application.

Mode 4 for bolt removal produce up to 1898Nm, but reduces the speed to 750 rpm for controlled loosening of bolts.

Integrated blow counting sensor enhances the consistent repeatability of the chosen torque setting.

Includes Milwaukee ONE-KEY™ tool control to customise tool settings and asset tracking.

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Thumbnail Network Rail Reference Description  
0111/114251 Milwaukee 18 volt 1/2” square drive impact wrench Network Rail Reference: 0111/114251 Description: Milwaukee 18 volt 1/2” square drive impact wrench

Supplied with 2 x battery packs, charger and carry case.

  • High torque impact wrench delivering up to 1356Nm maximum fastening torque and up to 1898Nm for loosening fasteners
  • 1/2” square friction ring for socket retention
  • Four speed, with four torque settings
  • Mode selector enables the speed and torque to be selected to suit the application
  • Mode 4 – produces up to 1898Nm, but reduces the 750 rpm for controlled bolt removal
  • Milwaukee ONE-KEY™ tool control enables wireless customisation of tool settings
  • ONE-KEY™ tool tracking & security offers Cloud-based inventory management platform that supports both location tracking and theft prevention
  • Battery charge level indicator
  • LED light


  • Battery pack capacity (Ah): 5.0
  • No. of batteries supplied: 2
  • Charger supplied – Recharging time: 59 min
  • No load speed (rpm) 0 – 550 / 0 – 1400 / 0-1750/ 0-1750 (Mode 4)
  • Impact rate (ipm) 0 – 950 / 0 – 1750 / 0-2100 / 0-2100 (Mode 4)
  • Max. fastening torque [Nm] 1356
  • Nut loosening torque [Nm] 1898
  • Maximum bolt diameter M33
  • Weight with battery pack (kg) 3.3
  • Supplied in carry case

Noise/vibration information 

  • Sound pressure level (dB(A)) 94.4
  • Sound pressure level uncertainty [dB[A]] 3
  • Sound power level [dB[A]] 105.4
  • Sound power level uncertainty [dB[A]] 3
  • Vibration screw driving [m|s²] 11.08
  • Vibration screw driving uncertainty [m|s²] 1.5


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