Milwaukee 3670-20 M18 FUEL 4-1/2″–6″ Braking Grinder Paddle Switch
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Milwaukee 3670-20 M18 FUEL™ 4-1/2″ – 6″ Braking Grinder Paddle Switch
The Milwaukee 3670-20 M18 FUEL™ 4-1/2″–6″ Braking Grinder delivers the next generation of
power, performance, and productivity in cordless grinding. Engineered to generate 13A corded power,
it provides up to 135 cuts per charge and the fastest cutting speed in its class.
Equipped with a POWERSTATE™ Brushless Motor and REDLINK PLUS™ Intelligence, this tool offers
unmatched performance, advanced protection, and optimized communication between tool and battery.
Key Features
- POWERSTATE™ Brushless Motor: Delivers 9,000 RPM for high-performance grinding and cutting applications.
- M18™ REDLITHIUM FORGE™ XC8.0 Compatibility: Provides HD12.0-level power in a smaller, lighter battery (battery not included).
- RAPIDSTOP™ Brake: Stops most wheels in under 2 seconds for maximum safety.
- Electronic Clutch: Protects against kickback and provides overload protection to extend motor life.
- Anti-Vibration Side Handle: Reduces user fatigue during extended use.
- Paddle Switch Design: Enhances comfort and control in multiple working positions.
- Streamlined Handle Grip: Optimized for improved handling and user comfort.
- 5/8-11 Spindle: Compatible with common grinding and cutting accessories.
- REDLINK PLUS™ Intelligence: Advanced communication between tool and battery ensures unmatched performance and thermal protection.
- Compatible with All M18™ Batteries: Integrates seamlessly into the Milwaukee M18 cordless ecosystem.
Technical Specifications
| Brand | Milwaukee |
|---|---|
| Model | 3670-20 |
| Series | M18 FUEL™ |
| Tool Type | 4-1/2″ – 6″ Braking Grinder (Paddle Switch) |
| Power Source | M18™ Cordless System |
| Motor Type | POWERSTATE™ Brushless |
| No-Load Speed | 9,000 RPM |
| Amperage Equivalent | 13A Corded Power |
| Brake Time | Under 2 Seconds (Abrasive Disc) |
| Handle Type | Paddle Switch with Anti-Vibration Side Handle |
| Spindle Size | 5/8-11 |
| Compatible Batteries | All Milwaukee M18™ Packs (XC8.0 / HD12.0 recommended) |
Built for Power & Precision
The M18 FUEL™ 3670-20 Grinder redefines cordless grinding power. Its 13A corded performance,
RAPIDSTOP™ braking system, and electronic clutch make it ideal for demanding metalworking,
cutting, and fabrication applications. Designed with the professional in mind, it offers increased safety,
extended runtime, and unmatched durability for jobsite reliability.
What’s in the Box
- (1) Milwaukee 3670-20 M18 FUEL™ 4-1/2″ – 6″ Braking Grinder (Paddle Switch)
- (1) T27 Guard
- (1) T1 Clip-On Guard
- (1) Flange Nut
- (1) Back Flange
- (1) Wrench
- (1) Anti-Vibration Side Handle
Warranty & Support
- 5-Year Limited Tool Warranty
- Milwaukee’s REDLINK PLUS™ technology ensures maximum tool protection and performance.
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