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Milwaukee M18 FUEL 4 1/2 to 6 Inch Braking Grinder Kit
- $266.00
- Brands Milwaukee
- Product Code: 3670-22
- Availability: In Stock
Milwaukee M18 FUEL 4-1/2-Inch–6-Inch Braking Grinder, Paddle Switch KitProduct OverviewThe Milwaukee M18 FUEL 4-1/2-Inch–6-Inch Braking Grinder, Paddle Switch Kit (3670-22) is a professional cordless angle grinder package built for demanding cutting, grinding, surface preparation, and material-removal applications. It combines a POWERSTATE Brushless Motor, RAPIDSTOP braking, electronic clutch prot..
Paddle Switch Braking Grinder Kit for Heavy Duty Cordless Use
Milwaukee M18 FUEL 4-1/2-Inch–6-Inch Braking Grinder, Paddle Switch Kit
Product Overview
The Milwaukee M18 FUEL 4-1/2-Inch–6-Inch Braking Grinder, Paddle Switch Kit (3670-22) is a professional cordless angle grinder package built for demanding cutting, grinding, surface preparation, and material-removal applications. It combines a POWERSTATE Brushless Motor, RAPIDSTOP braking, electronic clutch protection, and REDLINK PLUS intelligence with the flexibility of Milwaukee's M18 battery platform.
The grinder delivers up to 9,000 RPM and Milwaukee rates its performance as equivalent to a 13A corded grinder. It accepts 4-1/2-inch through 6-inch accessories, giving users additional flexibility when switching between general grinding and larger cutting applications.
This kit includes the 3670-20 grinder, two M18 REDLITHIUM FORGE XC8.0 batteries, an M18/M12 Rapid Charger, guards, side handle, wrench, and contractor bag.
Key Features
POWERSTATE Brushless Motor
The POWERSTATE Brushless Motor produces up to 9,000 RPM for fast material removal and sustained performance during demanding grinding and cutting work. Milwaukee rates the grinder at 13A corded-equivalent power.
RAPIDSTOP Brake
The integrated RAPIDSTOP Brake is designed to stop most abrasive wheels in less than 2 seconds after the tool is switched off. This helps reduce accessory coast-down time when the grinder needs to be set down or repositioned.
Electronic Clutch and Overload Protection
An electronic clutch provides kickback protection, while overload protection helps protect the motor during demanding applications. These electronic safeguards work through Milwaukee's REDLINK PLUS system.
4-1/2-Inch to 6-Inch Capacity
The grinder is compatible with 4-1/2-inch through 6-inch accessories, making it suitable for a broad range of grinding and cutting applications. Its 5/8"-11 spindle accommodates common grinding accessories.
Paddle Switch
The non-locking paddle switch is designed for comfortable operation from different hand positions. The streamlined grip and included anti-vibration side handle help provide additional control during extended use.
REDLINK PLUS Intelligence
REDLINK PLUS provides communication between the tool and battery to help optimize performance while providing electronic protection against demanding operating conditions.
Product Specifications
| Specification | Details |
|---|---|
| Brand | Milwaukee |
| Product Type | Cordless Braking Angle Grinder Kit |
| Kit Model | 3670-22 |
| Grinder Model | 3670-20 |
| Battery Platform | M18 |
| Motor Type | POWERSTATE Brushless |
| Maximum Speed | 9,000 RPM |
| Compatible Wheel Diameter | 4-1/2 to 6 in. |
| Spindle | 5/8"-11 |
| Switch Type | Non-Locking Paddle Switch |
| Brake | RAPIDSTOP |
| Brake Time | Less than 2 seconds with abrasive disc |
| Kickback Protection | Electronic Clutch |
| Overload Protection | Yes |
| Side Handle | Anti-Vibration |
| Included Batteries | 2 × M18 REDLITHIUM FORGE XC8.0 |
| Battery Model | 48-11-1881 |
| Charger | M18 & M12 Rapid Charger |
| Charger Model | 48-59-1808 |
| Carrying Bag | Contractor Bag |
| Tool Warranty | 5 Years |
| Battery Warranty | 3 Years |
The specifications above are based on Milwaukee's current 3670-22 product information.
What's Included
The 3670-22 kit contains:
1 × 3670-20 M18 FUEL 4-1/2"-6" Braking Grinder, Paddle Switch
2 × 48-11-1881 M18 REDLITHIUM FORGE XC8.0 Battery Packs
1 × 48-59-1808 M18 & M12 Rapid Charger
1 × Contractor Bag
1 × T27 Guard
1 × T1 Clip-On Guard
1 × Flange Nut
1 × Back Flange
1 × Wrench
1 × Side Handle
Grinding and cutting wheels are not included and must be purchased separately.
Battery and Runtime
The included M18 REDLITHIUM FORGE XC8.0 batteries are designed to provide high-output performance in a more compact battery package. Milwaukee describes the XC8.0 as delivering the power capability of its HIGH OUTPUT HD12.0 battery in a smaller size.
Milwaukee rates the grinder for up to 135 cuts per charge under specified test conditions. Actual cutting performance will vary depending on the material, wheel type and condition, battery, technique, and application.
Recommended Applications
The 3670-22 is suitable for a wide range of professional applications, including:
Metal cutting
Grinding
Weld cleanup
Surface preparation
Deburring
Material removal
Metal fabrication
Construction
Equipment maintenance
Automotive repair
General workshop applications
The ability to use accessories up to 6 inches makes the grinder particularly useful for users who need more flexibility than a standard 4-1/2-inch grinder provides.
Benefits for Professional Users
Cordless 13A-class performance: The grinder delivers Milwaukee's stated 13A corded-equivalent power without requiring an extension cord.
Fast material removal: The 9,000 RPM POWERSTATE Brushless Motor is designed to maintain strong performance during demanding grinding and cutting applications.
Reduced coast-down time: RAPIDSTOP braking stops most abrasive wheels in under two seconds.
Improved control: The paddle switch, streamlined grip, and anti-vibration side handle are designed for comfortable operation and better handling.
Greater accessory flexibility: The 4-1/2-inch to 6-inch capacity allows one grinder to handle a wider range of compatible accessories.
Complete cordless package: Two high-capacity XC8.0 batteries and a Rapid Charger are included, so the kit provides the essential power components needed for cordless operation.
Maintenance and Safety
For best results, inspect grinding and cutting accessories before use and select accessories rated for the grinder's operating speed and intended application. Keep the grinder and battery contacts clean, inspect guards and the side handle regularly, and allow the tool to cool when operating under sustained heavy loads.
Always use the appropriate eye, hearing, hand, and respiratory protection for the material and application. Follow the accessory manufacturer's safety instructions as well as Milwaukee's operating instructions.
Important Configuration Note
The exact kit model is 3670-22, while the grinder itself is 3670-20. The 3670-22 includes two 48-11-1881 M18 REDLITHIUM FORGE XC8.0 batteries and one 48-59-1808 M18/M12 Rapid Charger.
This kit should not be confused with the 3672-22, which is the variable-speed version with ONE-KEY. The 3670-22 is the standard-speed braking grinder and does not include ONE-KEY or variable-speed control.
Why Choose the Milwaukee 3670-22?
The Milwaukee M18 FUEL 3670-22 is a practical choice for professionals who need the cutting and grinding capability of a high-powered angle grinder without being tied to a power cord. Its 4-1/2-inch to 6-inch accessory range, 9,000 RPM brushless motor, RAPIDSTOP brake, electronic clutch, and two FORGE XC8.0 batteries make it well suited to demanding metalworking and construction environments.
For users already invested in the M18 system, this kit adds a high-performance grinder while providing the batteries and charger needed to operate it immediately.