Milwaukee M18 2680-21P 4-1/2" Cordless Alternatives: 6 Similar Picks Compared
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You are looking for milwaukee m18 2680 21p 4 1 2 cordless alternatives. The original kit features a four-pole motor, a paddle switch, and L-shape intake vents for debris protection. It weighs 15.9 ounces and includes a battery and charger. This setup offers a complete, ready-to-use solution for general grinding tasks.
Some buyers may want a different motor type or switch style. You might prefer a brushless motor for longer life or a slide switch for different handling. You may also need a bare tool if you already own compatible batteries. We selected these 6 options because their specifications overlap with the original. Each alternative shares the 4-1/2 inch wheel diameter and cordless power source. This list helps you compare features like weight, voltage, and included accessories to find the right fit.
Our top pick: Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit.
How Each Alternative Compares
DEWALT 20V MAX XR 4-1/2 - 5 in. Brushless Grinder Kit
The DEWALT 20V MAX XR model uses a brushless motor, which typically offers longer runtime and durability compared to the Milwaukee's four-pole motor. It weighs 10.3 pounds, making it significantly heavier than the 15.9-ounce Milwaukee grinder. This kit includes a battery and charger, providing a complete solution similar to the original. It is ideal for professionals who already own 20V batteries and need high RPM performance. You sacrifice the lightweight portability of the Milwaukee for more robust power and safety features. Choose this if you prioritize motor efficiency and existing battery compatibility over minimal weight.
DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit
This DEWALT 20V MAX grinder features a slide switch instead of the Milwaukee's paddle switch. It includes both a battery and charger, matching the original kit's convenience. The tool is designed for users who prefer slide switches for safety and ease of use. It shares the same 4-1/2-inch wheel diameter but operates on a 20V MAX platform rather than M18. You give up the paddle switch preference and the specific four-pole motor design. This option suits those who value lightweight handling and safety features over maximum speed. It is a solid choice for ready-to-use convenience within the DEWALT ecosystem.
DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder
The DEWALT 20V MAX Brushless model is a bare tool, meaning it does not include a battery or charger. This contrasts with the Milwaukee kit, which provides all necessary components. It weighs 3.75 pounds, which is heavier than the Milwaukee's 15.9-ounce tool. The brushless motor offers improved efficiency and longevity. It features a paddle switch and kickback brake for safety. This grinder is best for users who already own DEWALT 20V MAX batteries. You trade the complete kit convenience for a lighter, more durable tool with advanced motor technology. Pick this if you want to save money by using existing batteries.
Milwaukee M18 Brushless Paddle Switch Grinder
This Milwaukee M18 Fuel grinder uses a brushless motor, offering better performance and runtime than the original's four-pole motor. It is a bare tool, lacking the included battery and charger found in the original kit. Weighing 4.99 pounds, it is heavier than the 15.9-ounce original. It features a paddle switch and kickback protection for enhanced safety. This model suits users with existing M18 batteries who need robust protection and power. You sacrifice the lightweight portability and complete kit convenience for superior motor technology and safety features. Choose this if you prioritize motor longevity and kickback protection over minimal weight.
CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit
The CRAFTSMAN V20 grinder includes a battery and charger, similar to the original Milwaukee kit. It operates on a 20V platform rather than M18. The tool features a heat-resistant build for durability during general workshop tasks. It shares the 4-1/2-inch wheel diameter but lacks the specific four-pole motor design. Weighing more than the lightweight Milwaukee, it offers a solid, durable option for cutting and grinding. This model is ideal for users starting with the V20 system who want a ready-to-use kit. You give up the M18 compatibility and lightweight design for a practical, durable tool. Pick this if you value durability and complete kit inclusion.
DEWALT 20V MAX XR Variable Speed Angle Grinder
The DEWALT 20V MAX XR model features a brushless motor and variable speed control, offering more precise material work than the original. It is a bare tool, excluding the battery and charger included with the Milwaukee. Weighing 4.74 pounds, it is heavier than the 15.9-ounce original. It includes a paddle switch for comfort and ease of use. This grinder is best for users with existing 20V MAX batteries who need high RPM and variable speed. You trade the complete kit and lightweight design for advanced motor technology and speed control. Choose this if you prioritize precision and motor efficiency over portability and included accessories.
Quick picks
Our 7 picks
Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit
Best for: Users needing a complete grinding kit with paddle switch
- Power Source
- M18 cordless
- Wheel Diameter
- 4-1/2 in.
- Switch Type
- Paddle
- Battery Included
- Yes (kit)
- Included Accessories
- Tool, battery, charger
- Included Tools
- Grinder
View on Amazon: Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit Affiliate link
This Milwaukee M18 2680-21P kit includes a 4-1/2 inch angle grinder, a battery, and a charger. It features a 4-pole motor for efficient grinding and cutting. The paddle switch offers comfort during use. L-shape intake vents protect internal components from debris. Weighing 15.9 ounces, it provides cordless portability for various work environments. This setup suits users needing a complete, ready-to-use solution.
Pros
- Includes battery and charger for immediate use
- Paddle switch design for comfort and ease of use
- 4-pole motor delivers maximum power
- L-shape intake vents protect internal components
Cons
- Fixed 4-1/2 inch wheel diameter
- No brushless motor technology listed
- Single speed operation
Good fit if
- You need a complete kit with battery and charger
- You prefer a paddle switch for control
- You work with 4-1/2 inch discs
Skip if
- You require a 5-inch grinding capacity
- You need a brushless motor for longer life
- You want variable speed settings
Verdict: Milwaukee M18 4-1/2 in. Cordless Grinder Kit fits users who want a complete, ready-to-use solution with a comfortable paddle switch. It is ideal for those working with 4-1/2 inch discs who do not need brushless technology.
DEWALT 20V MAX XR 4-1/2 - 5 in. Brushless Grinder Kit
Best for: Pros needing high RPM and safety features
- Power Source
- Cordless (20V MAX)
- Wheel Diameter
- 4-1/2 in. - 5 in.
- Motor Type
- Brushless
- No-Load Speed
- 9,000 RPM
- Battery Included
- Yes (Kit with XR POWERPACK)
- Safety Features
- Anti-rotation system
View on Amazon: DEWALT 20V MAX XR 4-1/2 - 5 in. Brushless Grinder Kit Affiliate link
This DEWALT 20V MAX XR brushless angle grinder handles 4-1/2 and 5-inch wheels with a no-load speed of 9,000 RPM. The kit includes an XR POWERPACK battery. It features an anti-rotation safety system and TOOL CONNECT chip readiness for asset management. You get wireless tool control when paired with a compatible dust extractor. It is a powerful option for pros needing robust performance and safety features.
Pros
- Brushless motor delivers up to 1,590 MWO
- 9,000 RPM no-load speed for efficient cutting
- Anti-rotation system shuts down if motion is excessive
- Kit includes XR POWERPACK battery
- Compatible with TOOL CONNECT for asset tracking
Cons
- TOOL CONNECT chip is sold separately
- Compatible dust extractor is sold separately
- Charger is not included in the kit
Good fit if
- You need a brushless grinder with high RPM
- You want built-in anti-rotation safety
- You already own DEWALT 20V MAX batteries
Skip if
- You need the TOOL CONNECT chip included
- You require a dust extractor included in the box
- You prefer a lighter tool under 10 pounds
Verdict: DEWALT 20V MAX XR Brushless 4-1/2 in. Angle Grinder offers strong power and safety for users who already have compatible batteries and dust extractors. It suits professionals who value high RPM and asset management readiness.
DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit
Best for: Users prioritizing safety and lightweight handling
- Power Source
- 20V MAX cordless
- Wheel Diameter
- 4-1/2 in.
- Motor Type
- Brushless
- No-Load Speed
- 9,000 RPM
- Switch Type
- Slide
- Battery Included
- Yes (kit)
View on Amazon: DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit Affiliate link
This DEWALT 20V MAX cordless angle grinder features a brushless motor delivering up to 9,000 RPM and 850 MWO. It includes a slide-switch for control and weighs 3.55 lbs bare. The kit comes with a battery and charger. You get anti-rotation safety via a Kickback Brake and E-Clutch. It handles up to 56 cuts of 1/2-inch rebar. This setup suits users needing reliable power and safety features in a lightweight package.
Pros
- Brushless motor delivers up to 9,000 RPM no-load speed
- Slide-switch type offers precise control
- Includes Kickback Brake and E-Clutch for safety
- Lightweight 3.55 lb bare tool design reduces fatigue
- Kit includes battery and charger for immediate use
Cons
- No-load speed is lower than some competitors offering 10,000+ RPM
- Uses slide-switch instead of trigger switch for some preference types
- Does not mention variable speed control in specifications
Good fit if
- You want a lightweight tool to prevent fatigue during extended use
- You prefer slide-switch operation for consistent power delivery
- You need included battery and charger for immediate operation
Skip if
- You require variable speed settings for delicate materials
- You prefer trigger-switch activation over slide-switch
- You need higher RPMs than 9,000 for specific cutting tasks
Verdict: DEWALT 20V MAX 4-1/2" Slide-Switch Grinder is a solid choice for users prioritizing safety features and lightweight handling over maximum speed. It fits those who value the included battery and charger for ready-to-use convenience.
DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder
Best for: existing DEWALT 20V MAX battery owners
- Power Source
- 20V MAX cordless
- Wheel Diameter
- 4-1/2 in.
- Motor Type
- Brushless
- Switch Type
- Paddle
- Battery Included
- No (tool only)
- Included Tools
- Grinder
View on Amazon: DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder Affiliate link
This tool-only DEWALT grinder uses a brushless motor for efficiency. It accepts 4-1/2 inch wheels and features a paddle switch for quick access. The Kickback Brake stops the wheel in two seconds or less. It weighs 3.75 pounds. You need separate batteries. This kit suits users who already own DEWALT 20V MAX power tools.
Pros
- Brushless motor requires no brush changes.
- Kickback Brake engages on bind-up events.
- Paddle switch allows quick activation.
- E-Switch Protection prevents unexpected restarts.
Cons
- Sold as a bare tool without batteries.
- Fixed paddle switch limits one-handed operation.
- No variable speed control listed.
Good fit if
- You already own DEWALT 20V MAX batteries.
- You prefer paddle switches for frequent use.
- You need a lightweight 3.75 pound grinder.
Skip if
- You need a complete kit with batteries.
- You require variable speed settings.
- You prefer trigger-style switches.
Verdict: DEWALT 20V MAX Brushless Angle Grinder fits users with existing 20V MAX batteries who want a lightweight, durable tool. The paddle switch and kickback brake offer safety and convenience for professional cutting tasks.
Milwaukee M18 Brushless Paddle Switch Grinder
Best for: M18 battery users needing kickback protection
- Power Source
- M18 cordless
- Wheel Diameter
- 4-1/2 in / 5 in
- Motor Type
- Brushless
- Switch Type
- No-lock paddle switch
- Battery Included
- No (tool only)
- Included Tools
- Grinder
View on Amazon: Milwaukee M18 Brushless Paddle Switch Grinder Affiliate link
This Milwaukee M18 Fuel grinder uses a brushless motor to drive 4-1/2 inch or 5 inch wheels. It weighs 4.99 pounds and measures 13 inches long. The tool operates on M18 batteries but does not include one. It features an electronic clutch for kickback protection and overload protection. You should choose this if you need a durable, high-torque grinder for heavy-duty metalwork.
Pros
- Brushless motor for extended runtime
- Electronic clutch for kickback protection
- Overload protection to maximize motor life
- Compatible with all M18 batteries
Cons
- Sold as a bare tool without a battery
- No-lock paddle switch requires constant pressure
- Heavier at 4.99 pounds than some competitors
Good fit if
- You already own M18 batteries
- You need kickback protection for safety
- You want a brushless motor for efficiency
Skip if
- You need a complete kit with a battery
- You prefer a lock-on switch for comfort
- You want a lighter tool for overhead work
Verdict: Milwaukee M18 Fuel 4-1/2 In. Grinder offers robust protection and power for users with existing M18 batteries. It suits professionals who prioritize safety features and motor longevity over lightweight portability.
CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit
Best for: General workshop cutting and grinding tasks
- Power Source
- V20 cordless
- Wheel Diameter
- 4-1/2 in.
- No-Load Speed
- 8,500 RPM
- Battery Included
- Yes (kit)
- Included Accessories
- Battery and charger
- Voltage
- 20V
View on Amazon: CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit Affiliate link
The Craftsman V20 CMCG400M1 is a cordless angle grinder designed for aggressive cutting and grinding tasks. It features an 8,500 RPM no-load speed and a 4-1/2 inch wheel diameter. The kit includes a battery and charger, making it ready for immediate use. Its cast metal gear housing helps dissipate heat during extended operation. This tool suits users who need a reliable, mid-range option for general workshop projects.
Pros
- 8,500 RPM no-load speed for aggressive material removal
- Cast metal gear housing dissipates heat effectively
- Tool-free guard adjustment for quick setup
- Three-position handle for varied grip comfort
- Battery and charger included in the kit
Cons
- Lower RPM than brushless competitors on this list
- Single speed operation limits precision control
- Heavier build due to metal gear housing
Good fit if
- You need a complete kit with battery and charger
- You prefer the durability of a metal gear housing
- You work on general fabrication and cutting tasks
Skip if
- You require variable speed control for delicate work
- You prioritize the highest possible RPM for speed
- You already own a compatible V20 battery system
Verdict: Craftsman V20 4-1/2 in Angle Grinder offers a solid, heat-resistant build for users who value durability over top-tier speed. It is a practical choice for those starting out with the V20 system who want a ready-to-use kit.
DEWALT 20V MAX XR Variable Speed Angle Grinder
Best for: Users with existing 20V MAX batteries
- Power Source
- Cordless (20V MAX)
- Wheel Diameter
- 4-1/2 in. - 5 in.
- Motor Type
- Brushless
- No-Load Speed
- 9,000 RPM
- Switch Type
- Paddle switch
- Battery Included
- No (Tool Only)
View on Amazon: DEWALT 20V MAX XR Variable Speed Angle Grinder Affiliate link
This DEWALT grinder uses a brushless motor to deliver 9,000 RPM and 1,640 MWO. It accepts 4-1/2 inch and 5 inch wheels. The paddle switch offers quick control. Weighing 4.74 pounds, it balances power with manageable weight. It suits users needing variable speed settings for different materials. It is a bare tool, so you must supply your own 20V MAX battery.
Pros
- Brushless motor delivers 9,000 RPM
- Variable speed control for material adjustment
- Anti-rotation system for better control
- Lightweight at 4.74 pounds
Cons
- Sold as a bare tool without battery
- Paddle switch may be less convenient for some users
- No integrated tool tracking chip included
Good fit if
- You already own DEWALT 20V MAX batteries
- You need variable speed for delicate grinding
- You prefer a lightweight tool for overhead work
Skip if
- You require a kit with included batteries
- You prefer a trigger switch over a paddle
- You need a tool with built-in asset tracking
Verdict: DEWALT 20V MAX XR Brushless Angle Grinder provides high RPM and variable speed for precise material work. It fits users who already have compatible batteries and want a lightweight, powerful grinder.
Specifications side by side
| Spec | Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit | DEWALT 20V MAX XR 4-1/2 - 5 in. Brushless Grinder Kit | DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit | DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder | Milwaukee M18 Brushless Paddle Switch Grinder | CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit | DEWALT 20V MAX XR Variable Speed Angle Grinder |
|---|---|---|---|---|---|---|---|
| Power Source | M18 cordless | Cordless (20V MAX) | 20V MAX cordless | 20V MAX cordless | M18 cordless | V20 cordless | Cordless (20V MAX) |
| Wheel Diameter | 4-1/2 in. | 4-1/2 in. - 5 in. | 4-1/2 in. | 4-1/2 in. | 4-1/2 in / 5 in | 4-1/2 in. | 4-1/2 in. - 5 in. |
| Motor Type | not stated | Brushless | Brushless | Brushless | Brushless | not stated | Brushless |
| No-Load Speed | not stated | 9,000 RPM | 9,000 RPM | not stated | not stated | 8,500 RPM | 9,000 RPM |
| Switch Type | Paddle | not stated | Slide | Paddle | No-lock paddle switch | not stated | Paddle switch |
| Battery Included | Yes (kit) | Yes (Kit with XR POWERPACK) | Yes (kit) | No (tool only) | No (tool only) | Yes (kit) | No (Tool Only) |
| Safety Features | not stated | Anti-rotation system | Kickback Brake, E-Clutch | not stated | not stated | not stated | Anti-rotation system |
| Included Accessories | Tool, battery, charger | not stated | Battery and charger | not stated | not stated | Battery and charger | not stated |
| Voltage | not stated | 20V | 20V | 20V | not stated | 20V | 20V |
| Included Tools | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder |
| Chuck Size | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch |
| Weight | 15.9 ounces | 10.3 pounds | not stated | 3.75 pounds | 4.99 pounds | not stated | 4.74 pounds |
| Dimensions | not stated | 16.7 × 6.1 × 10 inches | not stated | 12.2 × 4.7 × 6 inches | 13 × 8.5 × 3.5 inches | 14.5 × 5.38 × 8.25 inches | 13.3 × 6.5 × 5.7 inches |
| Color | Red,grey,black | Black | Black/Yellow | Multi | Chrome | Grey,black,red | Black, Yellow |
| Model | 2680-21P | DCG410WW1 | DCG407P1 | DCG413B | 2880-20 | CMCG400M1 | DCG410VSB |
| Size | not stated | One Size | Large | Pack of 1 | Large | 4-1/2-in. | STANDARD |
If you need another tool size, you can compare milwaukee m18 cordless lithium ion 6 1 2 alternatives.
Frequently asked questions
Which grinder is the closest alternative to the Milwaukee M18 2680-21P?
The Milwaukee M18 Brushless Paddle Switch Grinder is the most direct alternative. It shares the same M18 battery platform, ensuring compatibility with your existing power source. It features a brushless motor for increased efficiency and a paddle switch for consistent control. While it weighs more at 4.99 pounds, it offers robust kickback protection for professional use.
Does the DEWALT 20V MAX XR kit include a battery?
No, the DEWALT 20V MAX XR 4-1/2 to 5-inch Brushless Grinder Kit does not include a battery. It is sold as a bare tool, meaning you must already own compatible 20V MAX batteries. This model focuses on high RPM performance and asset management readiness for users who already have a complete DEWALT power system.
What is the weight difference between the Milwaukee and DEWALT brushless models?
The Milwaukee M18 2680-21P weighs 15.9 ounces, while the DEWALT 20V MAX XR Brushless model weighs 10.3 pounds. This is a significant difference, with the DEWALT unit being substantially heavier. The lighter Milwaukee kit is easier to handle for extended periods, whereas the heavier DEWALT unit may offer more stability during heavy grinding tasks.
Is the CRAFTSMAN V20 kit ready to use out of the box?
Yes, the CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit includes both a battery and a charger. This makes it a complete, ready-to-use solution for users starting with the V20 system. It features a heat-resistant build for durability, making it a practical choice for general workshop cutting and grinding tasks without needing additional purchases.
Which model offers variable speed control?
The DEWALT 20V MAX XR Variable Speed Angle Grinder offers variable speed control. This feature allows for precise material work by adjusting the RPM to suit different applications. It is a bare tool, so it requires your existing 20V MAX batteries. The paddle switch design provides added safety and convenience for professional cutting tasks.
Do any of these grinders use a paddle switch?
Several models feature a paddle switch for improved safety and control. The Milwaukee M18 2680-21P, the Milwaukee M18 Brushless model, and the DEWALT 20V MAX Brushless Paddle Grinder all include this switch type. The paddle switch allows you to engage the tool only while pressing, reducing the risk of accidental startup during positioning or transport.
Which kit is best for users prioritizing lightweight handling?
The DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit is best for lightweight handling. It is designed to be easy to maneuver for users who prioritize safety and comfort over maximum speed. The kit includes a battery and charger, providing a convenient, ready-to-use solution that balances performance with ergonomic handling for various grinding applications.