The Milwaukee® M18 FUEL™ 4-1/2”–6” Braking Grinder, Paddle Switch, No-Lock is the highest-performing small angle grinder in its class, engineered to take on the toughest grinding, cutting, and surface prep applications.
Powered by a POWERSTATE™ Brushless Motor, it delivers 9,000 RPM and performance equivalent to a 13A corded grinder, while the RAPIDSTOP™ Brake stops all accessories in under 3 seconds for enhanced safety. With up to 6” grinding capacity, it handles more material removal per charge when paired with the M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery.
✅ 13A Corded Power Equivalent – unmatched cordless performance.
✅ POWERSTATE™ Brushless Motor – 9,000 RPM and longer tool life.
✅ RAPIDSTOP™ Brake – stops accessories in under 3 seconds for maximum safety.
✅ High Output XC6.0 Battery – more runtime and more material removed per charge.
✅ REDLINK PLUS™ Intelligence – advanced system prevents overload, overheating, and over-discharge.
✅ Tool-Free Accessory Changes – FIXTEC nut and tool-free guard adjustments minimize downtime.
✅ Accessory Versatility – compatible with all 4-1/2”–6” accessories (grinding wheel sold separately).
💪 Combining power, safety, ergonomics, and durability, the M18 FUEL™ 4-1/2”–6” Braking Grinder is built to push cordless grinding further than ever before.





| Tool Warranty | 5 Year Limited Warranty |
| Power Source | Cordless |
| Motor Type | Brushless |
| Handle Type | Straight |
| Material Composition | Metal |
| Length | 12.45 in |
| Weight | 4.5 lb |
| Height | 11.41 in |
| Width | 7.08 in |
| Badge Branding | FUEL™ |
| Warranty | 5 Year Limited Warranty |
| Fuel | Yes |
| Brushless | Yes |
| Battery System | M18 |
| Brake | Yes |
| Switch Type | Paddle Switch |
| Wheel Diameter | 4-1/2″ / 6″ |
INCLUDES
(1) M18 FUEL™ 4-1/2” – 6” Braking Grinder(2980-20)