Milwaukee M18 Impact Wrenches

Deliver maximum torque with Milwaukee M18 Impact Wrenches – heavy-duty cordless tools built for mechanics, steel fixers, and industrial professionals who demand raw fastening power and precise control. Whether you're working on automotive repairs, structural bolting, or site installations, the M18 FUEL™ range offers unrivalled brushless motor performance and advanced electronics through the REDLITHIUM™ battery system. Choose from compact, mid-torque or high-torque options, each engineered for specific applications where speed, torque accuracy, and durability matter most.

Order Milwaukee impact wrenches from Toolden and benefit from free UK delivery over £100 and 0% interest finance on qualifying kits and bare tools.

Key Features

FUEL™ Brushless Motor Technology

Milwaukee’s POWERSTATE™ brushless motors deliver unmatched torque output, efficiency, and durability – designed to outperform and outlast pneumatic alternatives.

Friction Ring Retention

All models listed include a 1/2" friction ring for fast socket changes, ideal for high-cycle automotive and mechanical use where speed and convenience are key.

ONE-KEY™ Smart Tool Integration

ONE-KEY™ models allow full customisation, tracking, and reporting via the Milwaukee app—giving users programmable speed, torque and precision control across jobs and teams.

Best Sellers

Milwaukee M18 ONEFHIWF12-502X FUEL™ ONE-KEY 1/2" Impact Wrench Kit (2x 5.0Ah)

This high-torque ONE-KEY™ model delivers up to 1356Nm fastening and 1898Nm nut-busting torque with 4 customisable drive control modes – ideal for the most demanding bolting applications.

Milwaukee M18 FIW2F12-0X 18V 1/2" Mid-Torque Impact Wrench (Body Only)

Offering up to 881Nm of nut-busting torque in a compact frame, this mid-torque unit is perfect for mobile mechanics, workshop techs, and industrial assembly work.

Milwaukee M18 FMTIW2F12-502X 1/2" Mid-Torque Impact Wrench Kit (2x 5.0Ah)

Combining lightweight design with up to 881Nm torque, this Fuel™ kit includes two 5.0Ah batteries, charger, and case—making it a site-ready solution for high-volume fastening jobs.

FAQs

What’s the difference between high torque and mid torque?

High torque models are designed for the most extreme fastening jobs (e.g. lug nuts, structural bolts), while mid torque options offer a balance of power and size for more versatile, everyday use.

Do I need ONE-KEY™ functionality?

ONE-KEY™ is ideal for fleet management and precision control. It allows users to program torque settings, track tool usage, and prevent theft through app-based customisation and security.

Are all these impact wrenches compatible with the same batteries?

Yes – all tools in this range are part of the Milwaukee M18 platform and work with any M18 REDLITHIUM™ battery.