Best Cordless Angle Grinders in 2026: 14 Picks Ranked by Specs
Compare 14 cordless angle grinders ranked by published specifications. Match voltage to your battery platform and choose the right tool for your specific task needs.
By GaugeKit Editorial Team 6 min read
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Finding the best cordless angle grinders requires matching your platform and task needs to the right tool. We compared 14 options based strictly on the specifications published on the listings. The DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder leads because it offers a compact 4.59-pound design with a brushless motor for reliable power. This guide helps you decide which voltage, wheel size, and safety features fit your workflow.
Match voltage to your existing battery platform
Your choice depends on your current battery ecosystem. Most options use 20V or 18V systems. The DEWALT 20V MAX XR fits users already invested in that platform. The Makita 18V LXT suits existing owners of that brand. Choosing the correct voltage ensures you can share batteries across your tools, reducing cost and clutter.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder Best overall | DEWALT 20V MAX users needing bare tool power | |
| 2 | Milwaukee M18 FUEL 5-Inch Flathead Grinder Also great | tight space access | |
| 3 | DEWALT 20V MAX XR Variable Speed Angle Grinder Also great | Users needing 4-1/2 and 5 inch wheel compatibility | |
| 4 | DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder Best budget | existing DEWALT 20V MAX users | |
| 5 | Makita 18V Brushless 4-1/2 / 5 in. Paddle Grinder Also great | Makita 18V users needing AFT and electric brake safety | |
| 6 | Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit Also great | users wanting a complete paddle switch grinder kit | |
| 7 | DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit Best premium | pros needing anti-rotation safety and kit value | |
| 8 | CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit Also great | Users needing a complete starter kit | |
| 9 | DEWALT 20V MAX Brushless Grinder and Die Grinder Set Best 2-tool | users needing both angle and die grinding | |
| 10 | DEWALT 60V MAX 7-Inch Brushless Grinder Also great | heavy grinding with a 7-inch wheel | |
| 11 | Bosch 12V Max 3-Inch Brushless Angle Grinder Best 12v | tight space cutting and detailed work | |
| 12 | FLEX 24V 5-Inch Brushless Angle Grinder Best 24v | users needing a complete 24V grinding kit | |
| 13 | Makita 18V LXT Brushless 4-1/2 / 5-Inch Grinder Also great | Makita 18V LXT battery owners | |
| 14 | DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit Also great | Users wanting a lightweight, safe cutting tool |
The best fit for you
- You want the best overall bare tool – DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder – This 4.59 pound brushless bare tool offers standard power for 20V MAX users.
- You need access to tight spaces – Milwaukee M18 FUEL 5-Inch Flathead Grinder – The 1.2 pound flathead design fits into confined areas better than standard grinders.
- You require variable speed control – DEWALT 20V MAX XR Variable Speed Angle Grinder – Variable speed and paddle switch allow precise control for delicate grinding tasks.
- You need a complete starter kit – CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit – This kit includes the grinder and accessories for immediate use without buying batteries.
DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder
Best for: DEWALT 20V MAX users needing bare tool power
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2-5 in.
- Voltage
- 20V MAX*
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Configuration
- Tool Only
This DEWALT model delivers up to 1,590 MWO and 9,000 RPM with a brushless motor. It accepts 4-1/2 to 5-inch wheels and weighs 4.59 pounds. The anti-rotation system enhances control during heavy use. TOOL CONNECT readiness allows for asset management. It is a bare tool, meaning you supply your own battery. It suits users needing high power in a standard 20V MAX system.
- Brushless motor provides up to 1,590 MWO
- High no-load speed of 9,000 RPM
- Anti-rotation system improves control and safety
- TOOL CONNECT ready for asset tracking
- 9,000 RPM is lower than some competitors reaching 10,000 RPM
- 4.59-pound weight is heavier than some 12V or lighter 18V options
- Sold as a bare tool without included battery or charger
- You already own DEWALT 20V MAX batteries
- You need a brushless motor for extended runtime
- You want anti-rotation safety features for tough jobs
- You require a complete kit with battery and charger included
- You prefer a lighter tool under 4 pounds
- You need a maximum speed exceeding 9,000 RPM
Verdict: DEWALT 20V MAX XR Brushless Angle Grinder fits pros who already use the 20V MAX platform and need reliable power with safety controls. It is a solid bare tool choice for those who already have compatible batteries.
Milwaukee M18 FUEL 5-Inch Flathead Grinder
Best for: tight space access
- Power Source
- Cordless
- Wheel Diameter
- 5 in.
- Voltage
- 18-Volt
- Motor Type
- Brushless
- Switch Type
- Paddle Switch No-Lock
- Braking System
- RAPIDSTOP Brake
This 18-volt brushless grinder delivers 11 amps of power in a low-profile flathead design. The paddle switch offers control, while the RAPIDSTOP brake stops wheels in under two seconds. At 1.2 pounds, it is lightweight. You should choose this tool if you need access to tight spaces where standard grinders cannot fit.
- Generates 11A corded power equivalent
- RAPIDSTOP Brake stops wheels in less than 2 seconds
- Low profile flathead design for tight spaces
- Lightweight at 1.2 pounds
- 5-inch wheel diameter limits cutting depth compared to larger options
- Tool-only configuration requires separate battery purchase
- 18-volt system may offer less runtime than 60V models
- You need to grind in tight spaces
- You prefer a low-profile tool
- You already own M18 batteries
- You need a 7-inch grinder
- You want a complete kit with battery
- You require 60V power
Verdict: Milwaukee M18 FUEL 5 in. Flathead Grinder fits users who need access to tight spaces. It suits those who already own M18 batteries and prioritize a low-profile design.
DEWALT 20V MAX XR Variable Speed Angle Grinder
Best for: Users needing 4-1/2 and 5 inch wheel compatibility
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2 in. – 5 in.
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Switch Type
- Paddle switch
This DEWALT 20V MAX XR angle 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 allows variable speed control. Weighing 4.85 lbs, it offers cordless freedom with any 20V MAX battery. The anti-rotation system helps maximize control during use.
- Brushless motor delivers 1,640 MWO
- Variable speed up to 9,000 RPM
- Accepts 4-1/2 in. and 5 in. wheels
- Anti-rotation system for better control
- Lightweight 4.85 lbs bare tool design
- Lower maximum speed of 9,000 RPM compared to competitors reaching 10,000 RPM
- Smaller 20V MAX battery platform compared to 60V MAX options
- Heavier at 4.85 lbs than the 4.25 lbs Makita XAG09Z
- You need a grinder that handles both 4-1/2 inch and 5 inch wheels
- You already own DEWALT 20V MAX batteries
- You prefer a paddle switch for trigger control
- You require a higher speed than 9,000 RPM
- You want a lighter tool under 4.5 lbs
- You need a 60V MAX power source
Verdict: DEWALT 20V MAX XR 5 in. Angle Grinder fits users who need versatile wheel sizes and already own the 20V MAX ecosystem. It is a solid choice for those prioritizing anti-rotation control over maximum RPM.
DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder
Best for: existing DEWALT 20V MAX users
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2 in. – 5 in.
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Switch Type
- Slide switch
This DEWALT 20V MAX XR angle grinder uses a brushless motor to deliver 9,000 RPM no-load speed. It accepts 4-1/2 and 5-inch wheels. The slide switch offers variable speed control for different materials. It includes an anti-rotation safety system. You get a tool-only configuration, meaning you supply your own battery.
- Brushless motor delivers 9,000 RPM
- Variable speed slide switch
- Anti-rotation safety system
- Fits 4-1/2 and 5-inch wheels
- 9,000 RPM is lower than 10,000 RPM competitors
- Tool-only configuration requires separate battery purchase
- You need variable speed control for delicate tasks
- You already own DEWALT 20V MAX batteries
- You prefer a slide switch over a trigger
- You require a higher RPM than 9,000
- You want a complete kit with battery included
- You need a paddle switch design
Verdict: DEWALT 20V MAX XR 5 in. Brushless Grinder suits users who already have 20V MAX batteries and need variable speed control. It is a solid choice for pros who prioritize safety features and switch style over maximum RPM.
Makita 18V Brushless 4-1/2 / 5 in. Paddle Grinder
Best for: Makita 18V users needing AFT and electric brake safety
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2” / 5"
- Voltage
- 18V
- Maximum Speed
- 8,500 RPM
- Motor Type
- BL Brushless
- Switch Type
- Paddle Switch
The Makita XAG11Z is an 18V brushless cordless angle grinder designed for 4-1/2 or 5-inch wheels. It delivers 8,500 RPM and features a paddle switch for control. The tool weighs 5.8 pounds and includes an electric brake and Active Feedback-sensing Technology. It suits users who prioritize efficiency and safety features in a compact, bare-tool package.
- Brushless motor delivers 8,500 RPM for efficient cutting and grinding
- Electric brake stops the wheel in 2 seconds or less
- Active Feedback-sensing Technology (AFT) shuts off the motor if binding occurs
- Automatic Speed Change technology adjusts torque and speed during operation
- Lower maximum speed of 8,500 RPM compared to competitors reaching 10,000 RPM or higher
- Heavier build at 5.8 pounds, which is bulkier than some lighter 18V or 12V options
- Paddle switch may feel less convenient than a slide-switch for some users
- You need a tool with automatic speed adjustment for varying material densities
- You want the safety of an electric brake and AFT in an 18V system
- You are looking for a bare tool to use with existing Makita 18V batteries
- You require a higher top speed than 8,500 RPM for aggressive stock removal
- You prefer a slide-switch configuration over a paddle switch
- You want a kit that includes the battery and charger in the box
Verdict: Makita 18V Brushless 4-1/2/5-Inch Grinder offers robust safety features and efficient motor control for users already invested in the 18V LXT ecosystem. It is a solid choice for those who value automatic torque adjustment and quick braking over raw maximum speed.
Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit
Best for: users wanting a complete paddle switch grinder kit
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2"
- Motor Type
- 4-pole
- Switch Type
- Paddle switch
- Configuration
- Kit
- Chuck Size
- 1/2 Inch
This kit includes a 4-pole motor grinder with a paddle switch and a 4-1/2 inch wheel. It weighs 15.9 ounces. The design features L-shape intake vents to protect internal components from debris. You get the tool, battery, and charger. This setup suits users who need a complete, portable grinding solution for various work environments.
- Includes battery and charger in the kit
- Paddle switch offers comfort and ease-of-use
- L-shape intake vents protect internal components
- 4-pole motor delivers maximum power
- 4-pole motor has fewer poles than brushless competitors
- 15.9 ounces is heavier than many brushless models
- 4-1/2 inch wheel is smaller than 5 or 7 inch options
- You want a complete kit with battery and charger
- You prefer a paddle switch for control
- You need a 4-1/2 inch wheel size
- You require a brushless motor for efficiency
- You need a 5 inch or larger wheel
- You prioritize the lightest possible tool weight
Verdict: Milwaukee M18 4-1/2" Cordless Grinder Kit is a solid choice for users who value a complete kit with a paddle switch. It fits those who need a 4-1/2 inch wheel and do not mind the extra weight for a 4-pole motor.
DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit
Best for: pros needing anti-rotation safety and kit value
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2 in. – 5 in.
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Configuration
- Kit
This DEWALT 20V MAX XR angle grinder kit features a brushless motor delivering up to 9,000 RPM. It accepts 4-1/2 inch and 5 inch wheels. The anti-rotation system shuts down the tool if excessive rotational motion is detected. You get a complete kit with the grinder included. It is designed for users who need reliable power and safety features in a cordless package.
- Brushless motor for efficient power delivery
- 9,000 RPM maximum speed for cutting and grinding
- Anti-rotation system enhances control and safety
- Accepts both 4-1/2 inch and 5 inch wheels
- Comes as a complete kit with the grinder
- 9,000 RPM is lower than some competitors reaching 10,000 RPM
- 10.3 pound weight is heavier than bare-tool or smaller 12V models
- Tool Connect chip is sold separately for asset management
- You need a brushless grinder with anti-rotation safety
- You want a kit that includes the grinder
- You work with 4-1/2 inch or 5 inch discs
- You prefer lighter tools under 8 pounds
- You need speeds above 10,000 RPM
- You only use 4-1/2 inch discs and want a smaller tool
Verdict: DEWALT 20V MAX XR 4-1/2 to 5 in. Kit offers a balanced mix of power and safety for pros who value anti-rotation control and a complete kit setup.
CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit
Best for: Users needing a complete starter kit
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2 inch
- Maximum Speed
- 8,500 RPM
- Configuration
- Tool Kit
- Included Tools
- Grinder
- Dimensions
- 14.5 × 5.38 × 8.25 inches
This Craftsman V20 kit includes a 4-1/2 inch angle grinder rated for 8,500 RPM. The cast metal gear housing helps dissipate heat during extended use. You get a tool-free guard, a three-position handle, and a contoured over-molded grip for comfort. The package comes with the grinder, a battery, and a charger, making it a complete starting point for basic cutting and grinding tasks.
- 8,500 RPM maximum speed for aggressive applications
- Cast metal gear housing dissipates heat
- Tool-free guard position for flexibility
- Three-position handle for control
- Kit includes battery and charger
- 8,500 RPM is lower than many brushless competitors
- 4-1/2 inch wheel size limits cutting depth
- 14.5 inches length adds bulk
- You need a complete kit with battery and charger
- You prefer a cast metal gear housing for durability
- You work with 4-1/2 inch discs
- You require variable speed control
- You need a 5 inch or larger disc
- You want a brushless motor for higher efficiency
Verdict: Craftsman V20 4-1/2 in Angle Grinder offers a complete kit with a cast metal housing for users who prioritize included accessories and heat management over top-tier speed.
DEWALT 20V MAX Brushless Grinder and Die Grinder Set
Best for: users needing both angle and die grinding
- Power Source
- Cordless
- Wheel Diameter
- 4.5 in.
- Voltage
- 20V MAX
- Motor Type
- Brushless
- Switch Type
- Paddle Switch
- Braking System
- Kickback brake
This DEWALT set includes a 4.5-inch angle grinder and a 1-1/2-inch die grinder. The angle grinder features a brushless motor and a kickback brake that stops the wheel in 2 seconds or less. The die grinder reaches up to 25,000 RPM with a variable speed trigger. It comes with a 5Ah battery and fast charger. You get dual-position handle options on the die grinder. This kit suits users needing two distinct grinding tools.
- Brushless motor extends tool life
- Kickback brake stops wheel in 2 seconds or less
- Die grinder reaches up to 25,000 RPM
- Includes 20V MAX 5Ah battery and charger
- Angle grinder wheel diameter is 4.5 inches
- Die grinder spindle size is 1-1/2 inches
- You need both angle and die grinding capabilities
- You prefer a paddle switch on the angle grinder
- You want a kickback brake for safety
- You require a 5-inch or larger wheel
- You need a single tool only
- You prefer a trigger switch over a paddle switch
Verdict: DEWALT 20V MAX 2-Tool Angle Grinder Set provides a complete solution for users needing both 4.5-inch grinding and 1-1/2-inch die grinding tasks. It is ideal for professionals who value the safety of a kickback brake and the speed of a brushless motor in a single kit.
DEWALT 60V MAX 7-Inch Brushless Grinder
Best for: heavy grinding with a 7-inch wheel
- Power Source
- Cordless
- Wheel Diameter
- 7 in.
- Voltage
- 60V MAX*
- Motor Type
- Brushless
- Braking System
- Kickback Brake
- Configuration
- Tool Only
This DEWALT cordless angle grinder uses a 60V MAX* brushless motor to drive a 7-inch wheel. It delivers up to 30% more torque than previous models. The tool features an E-Clutch and Kickback Brake for safety. Its pipeline grip gearcase cover aids in precision work. You get a bare tool configuration, meaning batteries are sold separately. This setup suits users needing high power for heavy-duty grinding.
- 60V MAX* brushless motor provides high torque
- 7-inch wheel diameter handles large cutting tasks
- Kickback Brake engages instantly during bind-up events
- E-Clutch shuts down the motor when a stall is detected
- 7-inch wheel size exceeds the 4.5 to 5-inch standard of most competitors
- Bare tool configuration requires you to purchase batteries and charger separately
- Higher 60V system may not be compatible with existing 20V or 18V battery packs
- You need a larger 7-inch wheel for heavy material removal
- You already own DEWALT 60V MAX* batteries and chargers
- You prioritize advanced kickback protection for safety
- You prefer standard 4.5 or 5-inch grinder sizes
- You want a complete kit with batteries included
- You use a different battery platform like Milwaukee M18 or DeWalt 20V
Verdict: DEWALT 60V 7 in. Brushless Grinder offers substantial power for large-scale grinding tasks. It fits professionals who already use the 60V ecosystem and need extra wheel diameter for aggressive work.
Bosch 12V Max 3-Inch Brushless Angle Grinder
Best for: tight space cutting and detailed work
- Power Source
- Cordless
- Wheel Diameter
- 3 In.
- Voltage
- 12V Max
- Maximum Speed
- 19,500 no-load rpm
- Motor Type
- Brushless
- Configuration
- Bare Tool
This Bosch GWS12V-30N is a 12V Max brushless cordless angle grinder designed for tight spaces. It features a 3-inch wheel diameter and reaches 19,500 no-load rpm. The compact 2.14-pound build fits in your palm. It suits users needing precision cuts on threaded rod, strut, or conduit. The bare tool configuration requires a separate battery. Its small size makes it ideal for detailed work where larger grinders cannot reach.
- Brushless motor for extended runtime
- 19,500 no-load rpm for fast cutting
- Compact 3.1-inch width fits tight spaces
- Fast braking stops wheel in under one second
- Lightweight 2.14-pound design reduces fatigue
- 12V Max voltage is lower than the 18V or 20V tools on this list
- 3-inch wheel diameter is smaller than the 4.5-inch or 5-inch options available
- Sold as a bare tool without an included battery or charger
- You need a grinder for tight spaces where larger tools cannot fit
- You are cutting threaded rod, strut, or conduit rather than thick metal
- You already own a compatible 12V Max battery from this brand
- You require high power for heavy-duty grinding or cutting thick materials
- You prefer a complete kit with a battery and charger included
- You need a larger 4.5-inch or 5-inch wheel for standard disc work
Verdict: Bosch 12V 3-Inch Cordless Angle Grinder is a specialized tool for precision tasks in confined areas. It fits users who prioritize compact size and speed over raw power and larger cutting capacity.
FLEX 24V 5-Inch Brushless Angle Grinder
Best for: users needing a complete 24V grinding kit
- Power Source
- Cordless
- Wheel Diameter
- 5-Inch
- Voltage
- 24V
- Maximum Speed
- 10,000 RPM
- Motor Type
- Sensor-free brushless
- Switch Type
- Paddle Switch
This FLEX 24V angle grinder uses a sensor-free brushless motor to reach 10,000 RPM. The paddle switch offers variable speed control for precision work. It includes a 5.0Ah battery and charger in the kit. The anti-kickback braking system adds safety during cutting. You get a 5-inch wheel diameter for standard grinding tasks. The slim grip design aims to improve comfort during extended use.
- 24V lithium system provides higher power density
- 10,000 RPM maximum speed for fast cutting
- Sensor-free brushless motor for efficiency
- 5.0Ah battery included in the kit
- Anti-kickback braking technology for safety
- 5.0Ah battery capacity is modest for heavy duty use
- 5-inch wheel limits compatibility with larger discs
- 10,000 RPM is lower than some 20V competitors
- You need a complete kit with battery and charger
- You prefer paddle switch operation for control
- You work with 5-inch abrasive wheels
- You require 4-1/2 inch disc compatibility
- You already own compatible 24V batteries
- You need variable speeds below 10,000 RPM
Verdict: FLEX 24V 5-Inch Brushless Angle Grinder suits users who want a ready-to-use kit with a paddle switch. It delivers solid power for standard grinding tasks. The 24V platform offers a distinct advantage in runtime and charging speed.
Makita 18V LXT Brushless 4-1/2 / 5-Inch Grinder
Best for: Makita 18V LXT battery owners
- Power Source
- Cordless
- Wheel Diameter
- 4-1/2"/5"
- Voltage
- 18V
- Motor Type
- BL Brushless
- Braking System
- Electric brake
- Chuck Size
- 1/2 Inch
This Makita 18V brushless grinder handles 4-1/2 or 5-inch wheels. The BL motor runs cooler and lasts longer. It includes an electric brake that stops the wheel in two seconds. Active feedback sensing cuts power if the wheel stalls. The tool weighs 5.7 pounds. It suits users who value runtime and safety features in a compact cordless package.
- BL Brushless motor for longer run time
- Electric brake stops wheel in 2 seconds
- Active feedback sensing cuts power on stall
- Automatic speed change for optimum performance
- Heavier at 5.7 pounds than many competitors
- Lower 18V voltage compared to 20V and 60V options
- You prefer the Makita 18V LXT battery ecosystem
- You need automatic speed adjustment for varied tasks
- You want a brushless motor for efficiency
- You require a 20V MAX or higher voltage platform
- You need a kit with batteries and charger included
- You prioritize a lighter tool under 5 pounds
Verdict: Makita 18V Brushless Angle Grinder offers solid runtime and safety for 18V users. It fits those who already own LXT batteries and want reliable brushless performance.
DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit
Best for: Users wanting a lightweight, safe cutting tool
- Power Source
- Cordless
- Wheel Diameter
- 4 1/2 Inch
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Switch Type
- Slide-Switch
This DEWALT cordless angle grinder features a 20V MAX brushless motor delivering 9,000 RPM. It includes a kickback brake and E-clutch for anti-rotation protection. The bare tool weighs 3.55 lbs to reduce fatigue. You get a kit with battery and charger. It offers up to 56 cuts of 1/2-inch rebar. This setup suits users needing reliable power in a lightweight 4-1/2-inch package.
- Brushless motor delivers 9,000 RPM
- Includes kickback brake and E-clutch
- Lightweight 3.55 lb bare tool
- Kit includes battery and charger
- 4-1/2-inch wheel is smaller than 5-inch or 7-inch options
- 9,000 RPM max speed is lower than 10,000 RPM competitors
- You prefer a lighter tool to reduce fatigue
- You want a complete kit with battery and charger
- You need anti-rotation safety features
- You require a 5-inch or larger wheel diameter
- You need higher speed than 9,000 RPM
- You already own compatible 20V MAX batteries
Verdict: DEWALT 20V MAX 4-1/2 in. Brushless Grinder fits users who prioritize a lightweight design and included battery. It is a solid choice for standard cutting tasks where anti-rotation safety is key.
Specifications side by side
| Spec | DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder | Milwaukee M18 FUEL 5-Inch Flathead Grinder | DEWALT 20V MAX XR Variable Speed Angle Grinder | DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder | Makita 18V Brushless 4-1/2 / 5 in. Paddle Grinder | Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit | DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit | CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit | DEWALT 20V MAX Brushless Grinder and Die Grinder Set | DEWALT 60V MAX 7-Inch Brushless Grinder | Bosch 12V Max 3-Inch Brushless Angle Grinder | FLEX 24V 5-Inch Brushless Angle Grinder | Makita 18V LXT Brushless 4-1/2 / 5-Inch Grinder | DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wheel Diameter | 4-1/2-5 in. | 5 in. | 4-1/2 in. – 5 in. | 4-1/2 in. – 5 in. | 4-1/2” / 5" | 4-1/2" | 4-1/2 in. – 5 in. | 4-1/2 inch | 4.5 in. | 7 in. | 3 In. | 5-Inch | 4-1/2"/5" | 4 1/2 Inch |
| Voltage | 20V MAX* | 18-Volt | 20V MAX | 20V MAX | 18V | – | 20V MAX | – | 20V MAX | 60V MAX* | 12V Max | 24V | 18V | 20V MAX |
| Maximum Speed | 9,000 RPM | – | 9,000 RPM | 9,000 RPM | 8,500 RPM | – | 9,000 RPM | 8,500 RPM | – | – | 19,500 no-load rpm | 10,000 RPM | – | 9,000 RPM |
| Motor Type | Brushless | Brushless | Brushless | Brushless | BL Brushless | 4-pole | Brushless | – | Brushless | Brushless | Brushless | Sensor-free brushless | BL Brushless | Brushless |
| Switch Type | – | Paddle Switch No-Lock | Paddle switch | Slide switch | Paddle Switch | Paddle switch | – | – | Paddle Switch | – | – | Paddle Switch | – | Slide-Switch |
| Braking System | – | RAPIDSTOP Brake | – | – | Electric Brake | – | – | – | Kickback brake | Kickback Brake | – | Anti-kickback | Electric brake | Kickback Brake |
| Configuration | Tool Only | Tool-Only | Tool Only | Tool Only | Tool Only | Kit | Kit | Tool Kit | 2-Tool Set with Battery and Charger | Tool Only | Bare Tool | Kit with Battery and Charger | – | Kit with Battery and Charger Included |
| Chuck Size | – | – | 1/2 Inch | 1/2 Inch | – | 1/2 Inch | 1/2 Inch | 1/2 Inch | – | – | – | – | 1/2 Inch | 1/2 Inch |
| Battery Capacity | – | – | – | – | – | – | – | – | – | – | – | 5.0Ah | – | – |
| Kit Size | – | – | – | – | – | – | – | – | 2-Tool | – | – | – | – | – |
| Included Tools | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder |
| Speed | – | – | Variable Speed | Variable Speed | – | – | – | – | – | – | – | Variable Speed | – | – |
| Power Source | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless | Cordless |
| Set Type | Tool Only | Tool Only | Tool Only | Tool Only | Tool Only | – | – | – | – | Tool Only | Tool Only | – | Tool Only | – |
| Dimensions | 13.1 × 6.2 × 4.9 inches | 4 × 16 × 7 inches | 13.3 × 6.5 × 5.7 inches | 13.2 × 6.5 × 5.7 inches | 8.39 × 13.3 × 5.43 inches | – | 16.7 × 6.1 × 10 inches | 14.5 × 5.38 × 8.25 inches | 16.3 × 1 × 5.91 inches | 15.8 × 7.7 × 5.91 inches | 3.5 × 3.1 × 7.1 inches | 12.6 × 4.1 × 3.1 inches | 8.39 × 13.3 × 5.43 inches | – |
| Weight | 4.59 pounds | 1.2 pounds | 4.74 pounds | – | 5.8 pounds | 15.9 ounces | 10.3 pounds | – | – | – | 2.14 pounds | – | 5.7 pounds | – |
| Size | Standard | 16 x 4 x 7 inches | STANDARD | STANDARD | 18 volts | – | One Size | 4-1/2-in. | One Size | One Size | One Size | – | 5/8 in. | Large |
| Color | Black, Yellow | Red | Black, Yellow | Black, Yellow | Green,black | Red,grey,black | Black | Grey,black,red | Multi | Multi | Blue | Grey/Black | Teal | Black/Yellow |
| Model | DCG410B | 2886-20 | DCG410VSB | DCG411VSB | XAG11Z | 2680-21P | DCG410WW1 | CMCG400M1 | DCK203P1 | DCG440B | GWS12V-30N | FX3171A-1C | XAG09Z | DCG407P1 |
You can compare motor speeds and disc sizes across the best cordless angle grinders to match your material requirements.
Key Specs to Check Before Buying
Match the Voltage Platform
Select a grinder that shares your existing battery system. This avoids buying new chargers and batteries. The DEWALT 20V MAX XR models fit users already invested in that ecosystem. The Makita 18V LXT suits owners of that brand. The Bosch 12V Max offers a lighter option for precision work. The FLEX 24V provides distinct runtime advantages. Matching voltage ensures compatibility and reduces overall setup costs.
Choose the Right Wheel Size
Wheel diameter determines cutting depth and material removal rate. Most standard grinders use 4-1/2 inch or 5 inch wheels. The DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder handles larger discs. The Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit suits smaller tasks. The DEWALT 60V MAX 7-Inch Brushless Grinder offers aggressive power for heavy grinding. Choose based on the largest disc you plan to use regularly.
Check the Motor Type
Brushless motors offer longer life and better efficiency than brushed ones. They also provide more power for the same battery capacity. Most top picks, like the DEWALT 20V MAX XR and the Milwaukee M18 FUEL, use brushless technology. The Makita 18V Brushless 4-1/2 / 5 in. Paddle Grinder also features this efficient design. Brushless motors run cooler and require less maintenance. This makes them a practical choice for frequent professional use.
Decide Between Kit or Bare Tool
Bare tools are cheaper but require existing batteries. Kits include batteries, chargers, and sometimes cases. The DEWALT 20V MAX XR 5-Inch Brushless Angle Grinder is a bare tool. It fits users who already own compatible batteries. The Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit includes everything needed. The DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit is another complete option. Choose based on your current inventory of power tools.
Consider Switch Style and Safety
Switch types affect control and safety features. Paddle switches require constant pressure, reducing accidental starts. The Milwaukee M18 FUEL 5-Inch Flathead Grinder uses a paddle switch. The DEWALT 20V MAX XR Variable Speed Angle Grinder also features this style. Some models include anti-rotation control or electric brakes. The Makita 18V Brushless 4-1/2 / 5 in. Paddle Grinder offers automatic torque adjustment. These features enhance safety during heavy grinding or cutting tasks.
Frequently asked questions
Which cordless angle grinder is best for tight spaces?
The Milwaukee M18 FUEL 5-Inch Flathead Grinder is designed for confined areas. It features a low-profile flathead shape that standard grinders cannot match. Weighing only 1.2 pounds, it is significantly lighter than traditional models. This compact design allows you to reach into narrow gaps and difficult-to-access spots with ease. It is a bare tool, so you need compatible M18 batteries.
Do I need a bare tool or a kit?
Choose a bare tool if you already own compatible batteries and chargers for your chosen brand. Options like the DEWALT 20V MAX XR or Makita 18V LXT are available as tool-only configurations. Select a kit if you need a complete setup. The Milwaukee M18 Kit or DEWALT 20V MAX XR Kit include the grinder, batteries, and charger in one package, making them ideal for new users.
What is the advantage of a variable speed grinder?
Variable speed control allows you to adjust the wheel RPM to match your specific task. The DEWALT 20V MAX XR Variable Speed models and the FLEX 24V option offer this feature. You can lower the speed for delicate cutting or polishing, or increase it for aggressive grinding. This flexibility provides better control and finish quality compared to fixed-speed tools. It also helps prevent material damage.
Which grinder is best for heavy-duty grinding?
The DEWALT 60V MAX 7-Inch Brushless Grinder offers substantial power for large-scale tasks. It features a larger 7-inch wheel diameter, which removes material faster than standard 4.5-inch or 5-inch grinders. This tool is a bare tool, requiring compatible 60V MAX batteries. It is ideal for professionals who need extra cutting capacity and raw power for aggressive grinding jobs that smaller tools cannot handle efficiently.
How does a paddle switch differ from a lock-on switch?
A paddle switch requires you to hold the trigger down continuously to keep the tool running. The Milwaukee M18 FUEL and Makita 18V models use this design. It offers immediate shut-off when you release your finger, which can enhance safety. Lock-on switches allow continuous operation without holding the trigger. Paddle switches are common in professional-grade tools for rapid response and control during detailed work.
Is a brushless motor better than a brushed one?
Brushless motors are generally more efficient and durable than brushed motors. They generate less heat and require less maintenance because they lack physical brushes. Most top picks here, including the DEWALT 20V MAX XR and Bosch 12V Max, use brushless technology. This results in longer runtime per charge and extended tool life. The efficiency gains are significant for professionals who use their tools daily.
See also
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