The Milwaukee M18 FUEL FSAG115X is aimed at tradespeople who want corded-style performance without a cable. Its brushless motor, rapid brake and tool-free adjustments make it suited to busy site work.
Pros and cons
Strong cutting and grinding performance
Fast brake and useful safety features
Slim grip and anti-vibration handle
Tool-free guard and disc changes
Premium body-only price
Heavy work drains compact batteries quickly
Key features
18V M18 battery platform
Brushless POWERSTATE motor
115mm disc capacity
Up to 8,500rpm
FIXTEC tool-free disc system
Rapid brake and restart protection
Performance and handling
The Milwaukee cuts steel, threaded bar and sheet confidently, with enough reserve for repeated grinding. It feels much closer to a corded grinder than an entry-level cordless model.
The slim body and anti-vibration handle give good control. A high-output battery produces the best performance, although it adds weight during long sessions.
Who is it for?
It suits fabricators, installers and builders already using Milwaukee M18 batteries who need a dependable cordless grinder for regular work.
Final verdict
The FSAG115X is powerful, safe and easy to adjust. It costs more than DIY models, but earns its place through speed and professional durability.