• Delivers up to 950Nm of maximum fastening torque with a maximum impact rate of 2,300ipm for superior performance
  • 1/2" anvil with friction ring provides fast, easy socket changes
  • Powered by REDLITHIUM-ION™ battery technology providing superior pack construction, electronics and performance that delivers more run time and increased productivity
  • POWERSTATE™ brushless motor runs cooler with no wearable components
  • REDLINK PLUS™ Intelligence allows the operator to choose between two fastening modes with Milwaukee's proprietary DRIVE CONTROL™ feature. Mode 1 delivers up to 135Nm of maximum fastening torque, and mode 2 up to 950Nm maximum fastening torque


Voltage: 18V
Motor type: POWERSTATE™ Brushless
Anvil type: 1/2" (13mm) square - friction ring
Fastening Torque: 135Nm / 950Nm
Nut Busting Torque: 1491 Nm
Speed: 425 rpm / 1,700 rpm
Impact rate: 450 ipm / 2,300 ipm
Switch type: Variable speed trigger
Sound pressure level: 94.4 dB(A)
Sound power level: 105.4 dB(A)
Battery type: REDLITHIUM-ION™
Supplied in: Carton
Weight (skin only): 2.60 kg
Weight with 4.0Ah: 3.28 kg
Warranty: 5 years

M18CHIWF12 Product Brochure

Standard Equipment:

Tool Only (Battery and Charger Sold Separately).