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01 April 2026

MILWAUKEE® M18 FUEL™ High Performance 125 mm Breaking Grinder with ONE-KEY™ and Slide Switch

MILWAUKEE® introduces a new M18 FUEL™* High Performance 125 mm Breaking Grinder with ONE-KEY™** and Slide Switch.

MILWAUKEE® continues to lead in job site innovation with the launch of the M18 FUEL High Performance 125 mm Breaking Grinder with ONE-KEY and Slide Switch, the newest addition to MILWAUKEE®'s growing lineup of grinding solutions.

Powered by the POWERSTATE brushless motor, delivering corded performance similar to an 1,800 W grinder and achieves up to 135 cuts in 12 mm rebar on a single charge, giving users the performance they need without the hassle of cords. Engineered for the most demanding applications, this grinder is purpose-built to deliver enhanced control and powerful performance.

For enhanced control during grinding and cutting tasks, the dual-trigger activation system requires both hands to remain on the tool at all times and automatically shuts it down if either hand is removed. Combined with a 15-position permanent side handle, this intuitive design helps maintain superior control by keeping both hands engaged—even in tight or elevated workspaces. Additionally, the grinder is equipped with RAPIDSTOP braking, which stops most common accessories in under two seconds, providing fast and reliable stopping power when the tool is shut down

Delivers corded performance similar to an 1,800 W grinder.

This grinder is engineered with AUTOSTOP technology which offers kickback control that instantly reacts to binding, helping to prevent severe tool rotation. This advanced system continuously monitors the grinder’s movement and provides another layer of enhanced features when working with dense materials in cutting and grinding applications. This solution also includes overload protection, helping to protect the motors integrity and electronics when operating under high loads.

 

MILWAUKEE® remains unwavering in their commitment to
delivering disruptive innovation by working alongside trade
professionals to identify challenges and provide solutions
that are unparalleled in enhancing job site safety and
productivity.

MILWAUKEE® is committed to improving productivity by providing performance-driven and trade-focused solutions so users can perform an entire day's work on one battery system. The M18 FUEL High Performance 125 mm Breaking Grinder with ONE-KEY and Slide Switch is fully compatible with the entire M18 line, now offering more than 325 solutions.

 

*M18 FUEL is engineered for the most demanding tradesmen in the world. Delivering unrivalled performance, all M18 FUEL products feature three Milwaukee® -exclusive innovations—The POWERSTATE Brushless Motor, REDLITHIUM Battery Pack, and REDLINK PLUS Intelligence Hardware and Software—that deliver unmatched power, run-time, and durability on the job site. Simply put, M18 FUEL tools are the most powerful 18V cordless tools in their class.

**ONE-KEY is the first digital platform for tools and equipment. By integrating industry-leading tool electronics with a custom-built cloud-based program, ONE-KEY provides a new level of control and access to information that revolutionises the way work gets done. The ability to customise, track, and manage through ONE-KEY fundamentally changes the way users interact with their tools and equipment.

 

Specifications

M18 FUEL High Performance 125 mm Breaking Grinder with ONE-KEY and Slide Switch

M18 FHSAGSVO125X-0X

  • Battery Type: Lithium-ion
  • Battery System: M18 FUEL
  • Anti-Kickback Protection
  • AVS Anti Vibration System
  • Breaking Time: 2 s
  • Deadman Switch
  • Disc Diameter: 125 mm
  • FIXTEC
  • Line Lock Out Function
  • No Load Speed: 3,000 – 9,000 rpm
  • Weight with Battery Pack (EPTA): 3.7 kg (M18 FB8)

 

Kit Includes: (1) M18 FUEL High Performance 125 mm Breaking Grinder with ONE-KEY and Slide Switch, (1) HD Box