Impact Wrench High Torque 1/2" 1898Nm, Cordless 18V

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Milwaukee (USA)

M18 FHIWF12-0

Options: Bare Tool
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High Torque tool for heavy use. Very wide torque range for precision work till nut busting work. Able to release heavily rusted bolts up to M33 Diameter. 


M18-FHIW12 Bare Tool

  • Torque up to 1356 Nm
  • 1/2" Square Drive. Torque (Nm): 130 / 400 / 1356 / 1356
  • 3.3kg  with 5.0Ah Battery. Bolts up to M33
  • Power System: 18V Cordless

M18-FHIW12-502X Kit

Comes with 2 x 5.0Ah Batteries, Charger and Hard Case

M18 Set

(Tool image is representative for components)


  • Provides maximum productivity by removing stubborn and high torque fasteners faster than the competition
  • Most compact cordless High Torque Impact Wrench in its class at 213mm in length
  • Industry leading 4-mode drive control with bolt removal mode, allowing for ultimate control.
  • Bolt removal mode provides maximum nut-busting torque to break fastener free, then slows to 750rpm for more control when removing fasteners
  • REDLINK PLUS™ intelligence prevents damage to the tool and battery due to overloading or overheating
  • REDLITHIUM™-ION batteries deliver more work per charge and more work over the life of the battery
  • Features a friction ring design to ensure quick and easy socket changes
  • Premium rubber overmold withstands corrosive materials and provides increased comfort when in use


Torque (Nm) 130 / 400 / 1356 / 1356
No load speed (rpm) 0-550 / 1400 / 1750 / 1750
Anvil 1/2"
Impact Rate 0 - 950 / 1750 / 2100 / 2100
Maximum Bolt Diameter M33
Battery platform M18™ REDLITHIUM™-ION / 18V
Weight with battery pack if applicable (kg) 3.3 kg (5.0Ah)
Length (mm) 213




Additional Resources

Blog article : Milwaukee Impact & Fastening Tools

Options: Bare Tool