M18 FUEL™ 4-1/2" / 5" Braking Grinder w/ ONE-KEY™ Slide Switch, Lock-On

Our M18 FUEL™ 4-1/2" / 5" Braking Grinder with ONE-KEY™ Slide Switch, Lock-On is the next advancement in power and performance of cordless grinders while enhancing safety with its RAPIDSTOP™ Brake. The M18 FUEL™ 4-1/2" / 5" Braking Grinder with ONE-KEY™ generates 11A corded power to complete the toughest grinding and cutting applications. 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 RAPIDSTOP™ Brake provides stop times under 2 seconds with an abrasive disc. Our M18 FUEL™ 4-1/2" / 5" Braking Grinder with ONE-KEY™ includes an electronic clutch for kickback protection, as well as overload protection to maximize motor life. Compatible with ONE-KEY™, this grinder wirelessly connects to a smartphone to track and manage the tool, providing you with visibility to where tools are across your network of jobs. The M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Batteries (not included) deliver 50% more power while running 50% cooler than the M18™ REDLITHIUM™ XC Batteries. Experience faster accessory changes, and less downtime with tool-free accessory and guard adjustments, while remaining fully compatible with the most common accessories in the market. The MILWAUKEE® M18 FUEL™ 4-1/2" / 5" Braking Grinder with ONE-KEY™ is the next level of jobsite productivity and enhanced safety in cordless grinders.

  • POWERSTATE™ Brushless Motor: Purposely built for the M18 FUEL™ 4-1/2" / 5" Braking Grinder with ONE-KEY™ 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: 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.
  • Includes a RAPIDSTOP™ Brake, to quickly stop accessories and Enhance Safety
  • Slide Switch Designed to Reduce User Fatigue
  • Tool-Free Guard Adjustment for faster guard installations and adjustments
  • Tool-Free Accessory Change with Integrated FIXTEC Technology
  • Electronic Clutch for Kickback Protection
  • 5/8"-11 Spindle for Use with Common Grinding Accessories
  • Overload Protection to Maximize Motor Life
  • Anti-Vibration Side Handle for Increased User Comfort and Safety
  • ONE-KEY™ Tracking and Tool Management
  • Compatible with all M18™ batteries
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Product Specifications

Tool Warranty 5 Year (Tool), 3 Years (Battery)
Power Source Cordless
Motor Type Brushless
Handle Type Straight
Length 13.18 in
Weight 3.17 lb
Height 4.36 in
Width 2.76 in
Brushless Yes
Battery System M18
Brake Yes
Switch Type Slide
Wheel Diameter 4-1/2" / 5"