Your Cart

This 8-Volt Lithium-Ion Brushless Cordless 4-1/2 in./6 in. Grinder is a small angle grinder that’s big on performance. It has a 6 in. grinding capacity and generates the same power as a 13 amp corded grinder. The POWERSTATE brushless motor delivers 9,000 RPM. REDLINK PLUS intelligence provides maximum use and protects the grinder from overload, overheating and over discharge. The rapid stop brake feature stops all accessories in under 3 seconds to maximize safety. This cordless grinder tackles your toughest grinding, surface preparation and cutting applications. The M18 REDLITHIUM HIGH OUTPUT XC6.0 battery delivers more material removed per charge and unmatched run-time in all applications. It also offers tool-free accessory changes using the FIXTEC nut and tool-free guard adjustments, so you experience less downtime as you work. The grinding wheel is sold separately.


  • POWERSTATE brushless motor: purposely built for the M18 FUEL 4-1/2 in.- 6 in. braking grinder to provide the power and performance of a 13 Amp corded grinder
  • REDLINK PLUS intelligence: ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications, while still maintaining compatibility across the entire M18 system
  • REDLITHIUM HIGH OUTPUT XC6.0 battery pack: provides 50% more power and runs cooler versus M18 REDLITHIUM XC battery packs
  • Superior pack construction provides the industry’s best protection against jobsite conditions
  • Rapid stop braking feature stops all accessories in 3-seconds or less
  • Metal housing and gearing system provides legendary durability
  • 100% tool free: make all accessory changes and guard adjustments without a wrench for increased productivity
  • Compatible with all M18 batteries
  • Includes: 2981-20 M18 FUEL 4-1/2- 6 in. grinder, slide switch, lock-on, type 27 6 in. guard, side handle, FIXTEC nut, backing flange, wrench


  • Brand: Milwaukee
  • Amperage (amps): 13 A
  • Arbor Size (in.): 0.625
  • Maximum Speed (RPM): 9000 RPM

You may also like...