The Milwaukee 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. The Milwaukee 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.

KMS 5 Star Power Tool Advantage Plan: We add one FREE extra year of warranty to every power tool purchased at KMS.

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 (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.
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 Changes with Integrated FIXTEC Nut 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
Tool only—batteries and chargers sold separately