• Home
  • Milwaukee M18 FUEL 18V Cordless 4-1/2" / 5" Grinder with Slide Switch Lock On Kit


Image for Milwaukee M18 FUEL 18V Cordless 4-1/2
+ / - Hover over image to Zoom
Other Views

Milwaukee M18 FUEL 18V Cordless 4-1/2" / 5" Grinder with Slide Switch Lock On Kit

Brand: Milwaukee Mfg#: 2781-22
Product#: 131278122
Based on Product Sourcing
Free UPS Ground Shipping on this Item!
Hazardous material shipping restrictions apply. You may be contacted by Customer Service if an alternate shipping method is required.

Please Login to receive Special Pricing
Not Registered? Create an Account


The M18 FUEL™ 4-1/2" / 5" Grinder supplies maximum sustained power to complete the toughest grinding, surface preparation and cutting applications. The POWERSTATE™ Brushless Motor provides up to 10X longer motor life and lower cost of ownership. The M18™ REDLITHIUM™ XC4.0 Battery Pack delivers up to 4X more run time and 20% more power. The grinder features REDLINK PLUS™ Intelligence, the most advanced system of cordless power tool electronics, for maximum performance. The 18-volt lithium-ion grinder’s thin body design gives it optimized balance to rest easily in your hands. Tool-free accessory changes and guard adjustments mean less downtime during work. The grinder is built with the same tool body, gearing system and anti-vibration side handle as Milwaukee’s legendary high-performance corded grinders for maximum durability on the job. Grinding wheel sold separately.


  • Slide switch: Reduces user fatigue
  • DURABILITY: Same metal housing & gearing system as legendary high performance corded grinders
  • 100% tool free: Make all accessory changes and guard adjustments without a wrench for increased productivity
  • POWERSTATE™ Brushless Motor: Delivers maximum power and up to 10X longer motor life
  • POWER TO GRIND: World’s first cordless grinder with corded performance.
  • REDLINK PLUS™ Intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger
  • REDLITHIUM™ XC 4.0 Battery Pack provides superior pack construction, electronics, and performance to deliver 2X more run-time and more work over pack life


  • Brand: Milwaukee
  • Product Line: M18 FUEL
  • Includes: Grinder, M18™ and M12™ Multi-Voltage Charger, M18™ XC4.0 Battery Pack, Carryying Case, Flange Nuts, Wheel Guard, Spanner Wrench
  • Tool Length: 15 in
  • Housing Color: Red
  • Voltage: 18 V
  • Speed: 8500 rpm
  • Switch Type: Slide with Lock-On
  • Battery Type: M18™ REDLITHIUM™ XC4.0
  • Tool Weight: 5.8 lb
  • Special Features: 5/8"-11 Arbor Diameter opm