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The Milwaukee M18 FUEL 4-1/2 in. / 5 in. Grinder Paddle Switch, No Lock is the next advancement in power and performance, generating 11 Amp corded power, fastest cutting, and delivering up to 135 cuts per charge. The M18 FUEL 4-1/2 in. / 5 in. Grinder generates 11 Amp corded power allowing users to complete the toughest grinding and cutting applications, all on the M18 Cordless System. The POWERSTATE Brushless Motor delivers maximum sustained power and 8,500 RPM to remove material faster and increase productivity. REDLINK PLUS Intelligence ensures unmatched levels of performance, protection, and compatibility. The M18 FUEL 4-1/2 in. / 5 in. Grinder includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. The M18 REDLITHIUM HIGH OUTPUT XC6.0 Batteries (not included) deliver 50% more power while running 50% cooler than our M18 REDLITHIUM XC Batteries and are compatible with 200 plus Tools in the M18 System. With tool-free accessory and guard adjustments, users will experience faster accessory changes, and less downtime, while remaining fully compatible with the most common accessories in the market. The M18 FUEL 4-1/2 in. / 5 in. Grinder takes cordless grinders to the next level in performance and run-time. The Milwaukee M18 REDLITHIUM XC5.0 Starter Kit delivers up to 2.5X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries.


  • POWERSTATE brushless motor: purposely built for the M18 FUEL 4-1/2 in. / 5 in. angle grinder delivers 8,500 RPM to provide the power to complete the toughest grinding and cutting applications
  • REDLINK PLUS intelligence: most advanced system of electronics in the industry, enabling communication between batteries and tools, allowing for unmatched levels of performance, protection, and compatibility
  • REDLITHIUM HIGH OUTPUT battery pack (not included): provides 50% more power and runs 50% cooler versus standard REDLITHIUM battery, superior pack construction, electronics and performance deliver more work per charge and more work over pack lifespan than any battery on the market
  • Paddle switch design for increased comfort and ease-of-use when operating in various positions
  • Tool-free guard adjustment for faster guard installations and adjustments
  • Tool-free accessory changes with integrated FIXTEC Nut technology
  • Electronic clutch for kickback protection
  • 5/8 in.-11 spindle for use with common grinding accessories
  • Overload protection to maximize motor life
  • Anti-vibration side handle for increased user comfort and safety
  • Compatible with all M18 batteries
  • Includes: one M18 FUEL 4-1/2 in. / 5 in. grinder paddle switch, no-lock (2880-20), one T27 guard, one T1 clip-on guard, 1 side handle, 1 spanner wrench, 1 back flange, 1 flange nut, one 5.0Ah battery, and 1 multi-volt charger
  • All-weather performance: delivers fade-free power in extreme job site conditions


  • Brand: Milwaukee
  • Dimensions: 12.71 x 2.77 x 4.05 Inches
  • Weight: 3.1 Pounds
  • Wheel Diameter: 4.5 in
  • Power Tool Features: Adjustable Handle Position, Blade Guard System, Side Handle
  • Cordless/ Corded: Cordless
  • Motor Type: Brushless
  • Voltage: 18V
  • Arbor Size: 0. 625
  • Maximum Speed: 8500 RPM
  • Cordless Tool Type: Angle Grinder
  • Grinder Switch Type: Paddle
  • Charger Included: No
  • Battery Power Type: Lithium-Ion
  • Charger Included: No
  • Included: Collet Wrench
  • Variable Speed: Yes