Milwaukee M18 Fuel Grinder Kit, 4-1/2"-6"

Milwaukee M18 Fuel Grinder Kit, 4-1/2"-6" Braking, Paddle Switch

The Milwaukee 3670-20 M18 FUEL™ Braking Grinder Kit is a cordless powerhouse built to deliver corded-level performance without the leash. Packing a POWERSTATE™ brushless motor that matches 13A corded grinders, this unit chews through cutting and grinding tasks while keeping control tight with a rapid stop braking system that halts accessories in under 3 seconds. Designed for serious jobsite use, it features tool-free adjustments, rugged metal gearing, and full M18™ system compatibility—so you get maximum productivity with minimal downtime (and fewer extension cords to trip over).

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 3670-20
• Brand / Series: Milwaukee M18 FUEL™
• Product Type: Cordless angle grinder (braking, paddle switch)
• Disc Size Compatibility: 4-1/2" to 6"
• Motor Type: POWERSTATE™ brushless motor
• Power Output: Equivalent to 13A corded grinder
• Braking System: Rapid stop braking (stops accessories in under 3 seconds)
• Switch Type: Paddle switch for increased control and safety
• Intelligence System: REDLINK PLUS™ advanced communication between tool, battery, and charger
• Construction: Metal housing and gearing system for durability
• Adjustments: 100% tool-free accessory changes and guard adjustments
• Compatibility: Works with all M18™ batteries
• System: Part of the M18™ platform (200+ tools)

Included

• (1) M18 FUEL™ 4-1/2" – 6" Braking Grinder (3670-20)
• (2) M18™ REDLITHIUM™ HIGH OUTPUT™ XC6.0 Battery Packs (48-11-1865)
• (1) M18™ & M12™ Rapid Charger (48-59-1808)
• (1) FIXTEC™ Nut
• (1) T27 Guard
• (1) Back Flange
• (1) Wrench
• (1) Side Handle

Ideal For

• Cutting and grinding applications requiring corded-level performance without cords
• Jobsite work where mobility and speed matter
• Users needing fast braking for increased safety and control
• Professionals invested in the Milwaukee M18™ system
• Anyone tired of dragging extension cords around like they’re part of the tool kit