Milwaukee Tools > Impact Wrenches

Milwaukee Cordless Impact Wrenches

Milwaukee has a wide range of impact wrenches for all industries. With drive heads up to 1", expensive and clunky corded tools can be replaced with the convenience and power of cordless handling.

M18 ONEFHIWF1: Ultimate Performance (530 - 2033Nm)

World's first cordless M18™ 1″ high torque impact wrench replacing AC, petrol and pneumatic wrenches. The integrated blow counting sensor enhances the consistent repeatability of the chosen torque setting.


Suitable for bolts up to M45.

1" Square Drive
Fastening Torque output (Nm): 530 / 1020 / 1800 / 2033

M18 ONEFHIWF34: Up to 2033Nm of Nut Busting Torque (702 - 1627Nm)

With a small frame and the next generation POWERSTATE brushless motor, this tool allows a very high torque output that exceeds even corded tools of similar size. Special mode to do Nut busting up to 2033Nm.

Suitable for bolts up to M36.

3/4" Square Drive
Nut busting Torque (Nm): up to 2033
Fastening Torque output (Nm): 702 / 1138 / 1627 / 1627*
*4th mode is specially designed to stop power to the battery to prevent damage to workpiece

M18 FHIWF12: Widest Torque Range in a Compact Body (130 - 1356Nm)

Provides maximum productivity by removing stubborn and high torque fasteners faster than the competition. Features a friction ring design to ensure quick and easy socket changes.


Suitable for bolts up to M33.

1/2" Square Drive
Fastening Torque output (Nm): 130 / 400 / 1356 / 1356*
* Bolt removal mode provides maximum nut-busting torque to break fastener free, then slows to 750rpm for more control when removing fasteners.

M18 MTIWF12: Workhorse for Middle Torque Ranges

Compact length at 175mm to allow for more access in tight spaces. Lightweight tool at 2.5kg w/ 5.0Ah battery for less fatigue improved rubber overmold to withstand corrosive materials. Excellent for all high performance workshop applications.


Suitable for bolts up to M20.

1/2" Square Drive
Nut Busting Torque (Nm): 830
Fastening Torque output (Nm): 430 / 550 / 610


M18 BIW12: Value Impact Wrench for Simple Applications

155mm, for direct use on applications where torque is consistent. 1.9kg with battery, one of the lightest 18V tools for the torque output.


Suitable for bolts up to M16.

1/2" Square Drive
Fixed Torque output (Nm): 240


M12 FIWF12: Versatile and Variable Speed

12V Variable speed impact wrench designed for small spaces. Only 1.4kg with 4.0Ah Battery and 125mm length. Auto-Shut Off mode reduces over fastening and increases productivity.


Suitable for bolts up to M16.

1/2" Square Drive
Torque (Nm): 85 / 125 / 339 / 14