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The world’s first brushless die grinder that delivers corded performance with up to 25-minutes of grinding and up to 10X longer motor life. The M18 FUEL 1/4 in. Die Grinder delivers maximum sustained power with 20,000 RPMs capable of running carbide burrs or up to 3 in. flap wheels for grinding or surface preparation applications. The M18 REDLITHIUM XC 5.0 Battery provides up to 25-minutes of grinding with superior pack construction and electronics. The POWERSTATE Brushless Motor provides up to 10X longer motor life and lowers cost of ownership than traditional brushed motors. The die grinder features REDLINK PLUS Intelligence, the most advanced system of cordless power tool electronics, for maximum performance and the longest too life.


  • 20,000 RPM brushless motor is designed to deliver corded performance while using carbide burrs, up to 3 in. flap wheels
  • M18 REDLITHIUM XC 5.0 battery pack delivers up to 25-minutes of grinding
  • Brushless motor has no wearable components delivering up to 10X longer motor life
  • Fits all 1/4 in. shank accessories
  • Part of the M18 system of 175 plus tools
  • Compatible with all M18 batteries
  • Includes: one M18 FUEL 1/4 in. die grinder (tool-only) (2784-20), one 1/4 in. collet, 2 wrench


  • Brand: Milwaukee
  • Dimensions: 18 in. x 3.2 in. x 4.5 in
  • Weight: 3.05 lbs
  • Wheel Diameter (in.): 1/4 in
  • Motor Type: Brushless
  • Voltage (volts): 18
  • Maximum Speed (rpm): 20000