The Milwaukee 3670-20 M18 FUEL™ 4-1/2" / 6" Braking Grinder Paddle Switch (Tool Only) is the high-performance, cordless angle grinder for metalworkers, fabricators, welders, and tradesmen who need fast material removal with enhanced safety and control. The POWERSTATE™ Brushless Motor delivers 8,500 RPM with constant power under load, while RAPIDSTOP™ electronic braking stops the wheel in under 3 seconds for quick, safe transitions between cuts. The paddle switch with lock-on provides comfortable, intuitive operation, and the compact 11.8" length with slim grip reduces fatigue in overhead or tight-space work. Tool-free guard adjustment, quick-change wheel system, and compatibility with all M18 batteries make it ideal for grinding, cutting, sanding, and polishing metal, steel, rebar, and welds—your essential grinder for jobsite speed, safety, and cordless freedom in the M18 system.

• POWERSTATE™ Brushless Motor – 8,500 RPM with constant power under heavy load
• RAPIDSTOP™ electronic braking – stops wheel in under 3 seconds for safety & quick transitions
• Paddle switch with lock-on – comfortable, intuitive control for all-day use
• Compact 11.8" length – slim grip reduces fatigue in overhead & tight spaces
• Tool-free guard adjustment – fast repositioning for different applications
• Quick-change wheel system – easy accessory swaps without tools
• Compatible with all M18 batteries – extended runtime & power options
• Ideal for grinding, cutting, sanding & polishing metal, steel, rebar & welds
• Milwaukee quality – durable & trusted by professional metalworkers
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