DEWALT 20V MAX 4-1/2-Inch Cordless Alternatives: 6 Similar Picks Compared
Find the best DEWALT 20V Max 4-1/2-inch cordless alternatives. We compare 6 tools by published specs including RPM, weight, and motor type to help you choose.
By GaugeKit Editorial Team 7 min read
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You are looking at dewalt 20v max 4 1 2 inch cordless alternatives to find the right tool for your needs. The original DEWALT DCG407P1 offers a brushless motor with 9,000 RPM and a slide-switch for simple operation. It includes a battery and charger, making it a complete kit for standard cutting tasks. The kickback brake adds a layer of safety for everyday use.
You might want a different option if you need variable speed control or a larger wheel size. Some picks support both 4-1/2-inch and 5-inch discs for more versatility. Others are bare tools, which suits you if you already have 20V MAX batteries. We selected these 6 alternatives because their specifications overlap with the original grinder. This comparison helps you decide between kit convenience, raw power, or specific features like paddle switches.
How each alternative compares
DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit
The DEWALT 20V MAX XR grinder (DCG410WW1) supports both 4-1/2 and 5-inch wheels, offering more versatility than the original. It delivers higher torque and speed for heavy-duty grinding and cutting tasks. This model is heavier at 10.3 pounds, which reduces portability compared to the original. It is best for professionals who prioritize power and safety features over lightweight operation. The kit includes a battery and charger, similar to the original. Choose this if you need maximum power and larger disc capacity for demanding jobs. It sacrifices some ease of movement for increased performance and durability in tough conditions.
DEWALT 20V MAX XR Variable Speed Angle Grinder
The DEWALT 20V MAX XR Variable Speed Angle Grinder (DCG410VSB) offers variable speed control, which the original lacks. It supports both 4-1/2 and 5-inch wheels, providing greater versatility. This tool is sold as a bare tool, meaning you must supply your own battery and charger. It uses a paddle switch that requires two hands, making it less ideal for tight spaces compared to the original slide-switch. It weighs 4.74 pounds, which is slightly heavier than the original. This option suits users who already own 20V MAX batteries and need precise speed adjustment for different materials. It trades kit convenience for advanced control and multi-disc capability.
DEWALT 20V MAX 4-1/2-Inch Grinder Kit
The DEWALT 20V MAX 4-1/2-Inch Grinder Kit (DCG412P2) is a complete kit with included batteries, similar to the original. It focuses on simple operation without variable speed control. This model is heavier at 5.8 kilograms, reducing portability compared to the original. It is designed for basic cutting and grinding tasks. The kit provides a ready-to-use solution for users who prioritize included batteries over lighter weight or advanced features. It lacks the variable speed and paddle switch options found in other models. Choose this if you need a straightforward, reliable tool for standard tasks. It sacrifices modern features like variable speed for simplicity and complete kit inclusion.
DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder
The DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder (DCG411VSB) offers variable speed control and supports both 4-1/2 and 5-inch wheels. It is sold as a bare tool, requiring you to provide your own battery and charger. This model is lighter than the original, weighing less due to the absence of battery and charger. It suits users who already have 20V MAX batteries and need versatility for different wheel sizes. It provides high speed and precision for various tasks. This option trades the convenience of a complete kit for advanced control and multi-disc capability. Choose this if you value variable speed and lightweight design over included accessories.
Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit
The Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit (2680-21P) is a complete kit with included batteries and charger. It uses a paddle switch for control, which requires two hands, unlike the original slide-switch. This model focuses on motor protection and includes accessories. It is lighter at 15.9 ounces, offering better portability than the original. It suits professionals who value a complete kit and paddle switch control. It sacrifices brushless technology for motor protection and included accessories. Choose this if you prefer a ready-to-use kit with paddle switch operation. It provides a solid alternative for users who prioritize motor protection and complete kit inclusion over brushless efficiency.
CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit
The CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit (CMCG400M1) is a complete kit with included batteries and charger. It features a durable metal housing, which adds strength compared to the original. This model is designed for standard 4-1/2-inch tasks without variable speed control. It is lighter and more portable than the original. It suits users who want a ready-to-use kit with a durable build. It sacrifices variable speed and larger disc capacity for simplicity and durability. Choose this if you need a solid entry-level option for standard tasks. It provides a reliable alternative for users who prioritize metal housing and kit convenience over advanced features.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit Best overall | Standard cutting tasks with included battery | |
| 2 | DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit Best premium | Heavy-duty grinding and cutting tasks | |
| 3 | DEWALT 20V MAX XR Variable Speed Angle Grinder Best budget | Users with existing 20V MAX batteries | |
| 4 | DEWALT 20V MAX 4-1/2-Inch Grinder Kit Also great | Users needing a complete kit with batteries | |
| 5 | DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder Also great | Users with existing 20V MAX batteries | |
| 6 | Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit Also great | Users wanting a complete kit with paddle switch control | |
| 7 | CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit Also great | users needing a complete kit with metal housing |
DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit
Best for: Standard cutting tasks with included battery
- Wheel Diameter
- 4 1/2 Inch
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Switch Type
- Slide-Switch
- Braking System
- Kickback Brake
This DEWALT 20V MAX angle grinder features a brushless motor reaching 9,000 RPM. It includes a kickback brake and E-clutch for safety. The tool weighs 3.55 lbs bare. It comes as a kit with a battery and charger. You get up to 56 cuts of 1/2-inch rebar. This setup suits users needing reliable power in a lightweight package.
- Brushless motor delivers up to 9,000 RPM
- Includes kickback brake and E-clutch protection
- Lightweight 3.55 lb bare tool design
- Kit includes battery and charger
- 9,000 RPM max speed is lower than some XR competitors
- Fixed 4-1/2 inch wheel size limits larger cutting needs
- You need a lightweight tool for extended overhead work
- You want a complete kit with battery and charger
- You require anti-rotation safety features for rebar cutting
- You need variable speed control for delicate tasks
- You prefer a larger 5-inch grinding wheel capacity
- You already own compatible DEWALT 20V MAX batteries
Verdict: DEWALT 20V MAX 4-1/2 In Angle Grinder provides solid performance for standard cutting tasks. It fits users who prioritize safety features and kit convenience over maximum speed or larger wheel options.
DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit
Best for: Heavy-duty grinding and cutting tasks
- Wheel Diameter
- 4-1/2 in. – 5 in.
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Configuration
- Kit
- Chuck Size
- 1/2 Inch
This DEWALT 20V MAX XR kit includes a brushless angle grinder that accepts 4-1/2 to 5-inch wheels. It delivers up to 9,000 RPM and 1,590 MWO. The tool features an anti-rotation system for safety and TOOL CONNECT chip readiness for asset management. You get a complete kit with batteries and charger. It suits pros needing high power and wireless control options with compatible dust extractors.
- Brushless motor delivers up to 9,000 RPM
- Generates up to 1,590 MWO for tough jobs
- Accepts 4-1/2-inch and 5-inch wheels
- Anti-rotation system shuts down excessive motion
- Kit includes grinder, batteries, and charger
- Heavier at 10.3 pounds than the standard slide-switch model
- Larger footprint with a 16.7-inch length
- TOOL CONNECT chip is sold separately
- You need the highest power output in the 20V MAX lineup
- You work with both 4-1/2-inch and 5-inch wheels
- You want a complete kit with batteries included
- You prefer a lighter tool under 10 pounds
- You only use 4-1/2-inch wheels and want a compact size
- You want the TOOL CONNECT chip included in the box
Verdict: DEWALT 20V MAX XR Brushless Angle Grinder is built for professionals who require maximum torque and speed. It fits users who prioritize power and safety features over lightweight portability.
DEWALT 20V MAX XR Variable Speed Angle Grinder
Best for: Users with existing 20V MAX batteries
- Wheel Diameter
- 4-1/2 in. – 5 in.
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Switch Type
- Paddle switch
- Configuration
- Tool Only
This DEWALT 20V MAX XR angle grinder features a brushless motor delivering 9,000 RPM and up to 1,640 MWO. It accepts 4-1/2 to 5-inch wheels and offers variable speed control. Weighing 4.85 lbs, it provides cordless freedom with all 20V MAX batteries. The paddle switch and anti-rotation system help maximize control during use.
- Brushless motor delivers 9,000 RPM
- Variable speed for material optimization
- Anti-rotation system for control
- Compatible with all 20V MAX batteries
- Paddle switch requires two hands to operate
- Tool only configuration requires separate battery purchase
- You need variable speed for delicate materials
- You already own DEWALT 20V MAX batteries
- You prefer paddle switch control
- You require a trigger switch for one-handed use
- You want a complete kit with battery and charger
- You need a smaller 4-inch grinder
Verdict: DEWALT 20V MAX XR Brushless Grinder suits users who already have 20V MAX batteries and need variable speed control. The paddle switch demands two hands, making it less ideal for tight spaces.
DEWALT 20V MAX 4-1/2-Inch Grinder Kit
Best for: Users needing a complete kit with batteries
- Wheel Diameter
- 4-1/2-Inch
- Voltage
- 20V MAX*
- Maximum Speed
- 8,000 rpm
- Switch Type
- 2-finger trigger switch
- Configuration
- Tool Kit
- Included Tools
- Grinder
This DEWALT 20V MAX angle grinder delivers 8,000 rpm for cutting and grinding tasks. It includes two 5.0 amp hour batteries, a tool-free wheel release, and an adjustable guard. The 2-finger trigger offers comfortable control. You get a complete kit with a side handle. It suits users who need reliable power without variable speed controls.
- 8,000 rpm motor speed
- Includes two 5.0 amp hour batteries
- Tool-free wheel release system
- Adjustable tool-free guard
- Fixed 8,000 rpm speed limits versatility
- Heavier at 5.8 kilograms
- 2-finger trigger may feel less precise
- You need consistent power for standard grinding
- You prefer tool-free adjustments
- You want a complete kit with batteries
- You require variable speed control
- You need a lighter tool
- You prefer brushless motor technology
Verdict: DEWALT 20V MAX 4-1/2 In Angle Grinder fits users who prioritize included batteries and simple operation over variable speed or lighter weight. It is a solid choice for basic cutting and grinding.
DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder
Best for: Users with existing 20V MAX batteries
- Wheel Diameter
- 4-1/2 in. – 5 in.
- Voltage
- 20V MAX
- Maximum Speed
- 9,000 RPM
- Motor Type
- Brushless
- Switch Type
- Slide switch
- Configuration
- Tool Only
This DEWALT tool is a bare tool configuration featuring a brushless motor. It supports 4-1/2 inch and 5 inch wheels. The maximum speed reaches 9,000 RPM with variable speed control. An anti-rotation system helps manage excessive motion. It fits users who need flexible wheel sizes and high power in a compact 13.2 inch frame.
- Brushless motor delivers up to 9,000 RPM
- Variable speed functionality for material control
- Anti-rotation system shuts down excessive motion
- Accepts both 4-1/2 inch and 5 inch wheels
- Sold as a bare tool without battery
- Requires separate purchase for TOOL CONNECT chip
- Dust extractor compatibility requires separate purchase
- You already own 20V MAX batteries
- You need to switch between 4-1/2 and 5 inch wheels
- You want variable speed control for different materials
- You need a complete kit with battery and charger
- You prefer a standard trigger switch over a slide switch
- You do not want to purchase additional accessories separately
Verdict: DEWALT 20V MAX XR 4-1/2 to 5 Inch Grinder offers high speed and versatility for users who already have 20V MAX batteries and need to handle multiple wheel sizes.
Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit
Best for: Users wanting a complete kit with paddle switch control
- Wheel Diameter
- 4-1/2"
- Motor Type
- 4-pole
- Switch Type
- Paddle switch
- Configuration
- Kit
- Chuck Size
- 1/2 Inch
- Included Tools
- Grinder
This Milwaukee M18 kit includes a 4-1/2-inch cordless grinder powered by a 4-pole motor. The paddle switch offers comfortable control in various positions, while L-shape intake vents protect internal components from debris. Weighing 15.9 ounces, this tool provides a balanced feel for grinding and cutting tasks. The included battery and charger make it a complete solution for users who need a ready-to-use power tool.
- 4-pole motor delivers maximum power for efficient cutting and grinding
- Paddle switch provides comfort and ease of use in different positions
- L-shape intake vents protect internal components from harmful debris
- Kit includes grinder, battery, and charger for immediate use
- 4-pole motor may offer less longevity than brushless alternatives
- 15.9-ounce weight is slightly heavier than some competitor models
- You prefer a paddle switch for better control during extended use
- You want a complete kit with battery and charger included
- You need durable protection for internal components from debris
- You require a brushless motor for maximum efficiency and lifespan
- You prefer a lighter tool for overhead or one-handed operation
- You already own compatible M18 batteries and only need the tool
Verdict: Milwaukee M18 4-1/2" Cordless Grinder Kit suits professionals who value a paddle switch and a complete kit. It is a solid choice for users prioritizing motor protection and included accessories over brushless technology.
CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit
Best for: users needing a complete kit with metal housing
- Wheel Diameter
- 4-1/2 inch
- Maximum Speed
- 8,500 RPM
- Configuration
- Tool Kit
- Included Tools
- Grinder
- Power Source
- Cordless
- 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. It features a cast metal gear housing to dissipate heat during extended use. The tool offers a three-position handle and a tool-free guard adjustment for flexibility. You get a complete kit with the grinder, battery, and charger included, making it ready for immediate use.
- 8,500 RPM maximum speed for aggressive applications
- Cast metal gear housing dissipates heat
- Tool-free guard position adjustment
- Three-position handle for control
- Kit includes grinder, battery, and charger
- 8,500 RPM is lower than the variable speed brushless options on this list
- Fixed speed lacks the variable control found in higher-end models
- 4-1/2-inch wheel size limits compatibility with larger 5-inch discs
- You need a complete kit with battery and charger included
- You prefer a cast metal housing for heat dissipation
- You work with 4-1/2-inch discs and do not require variable speed
- You require variable speed control for delicate materials
- You need to cut or grind with 5-inch discs
- You want a brushless motor for extended runtime
Verdict: CRAFTSMAN V20 4-1/2-Inch Angle Grinder fits users who want a ready-to-use kit with a durable metal housing and do not need variable speed or larger disc capacity. It serves as a solid entry-level option for standard 4-1/2-inch tasks.
Specifications side by side
| Spec | DEWALT 20V MAX 4-1/2-Inch Cordless Grinder Kit | DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit | DEWALT 20V MAX XR Variable Speed Angle Grinder | DEWALT 20V MAX 4-1/2-Inch Grinder Kit | DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder | Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit | CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit |
|---|---|---|---|---|---|---|---|
| Wheel Diameter | 4 1/2 Inch | 4-1/2 in. – 5 in. | 4-1/2 in. – 5 in. | 4-1/2-Inch | 4-1/2 in. – 5 in. | 4-1/2" | 4-1/2 inch |
| Voltage | 20V MAX | 20V MAX | 20V MAX | 20V MAX* | 20V MAX | – | – |
| Maximum Speed | 9,000 RPM | 9,000 RPM | 9,000 RPM | 8,000 rpm | 9,000 RPM | – | 8,500 RPM |
| Motor Type | Brushless | Brushless | Brushless | – | Brushless | 4-pole | – |
| Switch Type | Slide-Switch | – | Paddle switch | 2-finger trigger switch | Slide switch | Paddle switch | – |
| Braking System | Kickback Brake | – | – | – | – | – | – |
| Configuration | Kit with Battery and Charger Included | Kit | Tool Only | Tool Kit | Tool Only | Kit | Tool Kit |
| Chuck Size | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch | 1/2 Inch |
| Included Tools | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder | Grinder |
| Speed | – | – | Variable Speed | – | Variable Speed | – | – |
| Power Source | Cordless | Cordless | Cordless | – | Cordless | Cordless | Cordless |
| Set Type | – | – | Tool Only | – | Tool Only | – | – |
| Dimensions | – | 16.7 × 6.1 × 10 inches | 13.3 × 6.5 × 5.7 inches | 21.1 × 7.63 × 12.4 inches | 13.2 × 6.5 × 5.7 inches | – | 14.5 × 5.38 × 8.25 inches |
| Weight | – | 10.3 pounds | 4.74 pounds | 5.8 kilograms | – | 15.9 ounces | – |
| Size | Large | One Size | STANDARD | One Size | STANDARD | – | 4-1/2-in. |
| Color | Black/Yellow | Black | Black, Yellow | Metallic | Black, Yellow | Red,grey,black | Grey,black,red |
| Model | DCG407P1 | DCG410WW1 | DCG410VSB | DCG412P2 | DCG411VSB | 2680-21P | CMCG400M1 |
Frequently asked questions
Which DEWALT grinder supports both 4-1/2 and 5-inch wheels?
The DEWALT 20V MAX XR Brushless Grinder (DCG410WW1) and the DCG410VSB model both accept 4-1/2 and 5-inch wheels. This dual compatibility lets you switch disc sizes without buying separate tools. The DCG410WW1 is a kit with a brushless motor, while the DCG410VSB is a bare tool with variable speed control.
Does the Milwaukee M18 grinder use a brushless motor?
The provided data for the Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit (2680-21P) does not list the motor type. It is described as a complete kit with a paddle switch. The verdict notes it prioritizes motor protection and included accessories over brushless technology, but the specific motor construction is not detailed in the specifications.
Are there bare tool options for DEWALT 20V MAX grinders?
Yes, the DEWALT 20V MAX XR Variable Speed Angle Grinder (DCG410VSB) and the DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder (DCG411VSB) are available as bare tools. These configurations are ideal if you already own 20V MAX batteries. They omit batteries and chargers to reduce weight and cost, focusing solely on the grinder unit.
Which model features a metal housing?
The CRAFTSMAN V20 4-1/2-Inch Angle Grinder Kit (CMCG400M1) features a durable metal housing. This construction appeals to users seeking robust build quality for standard 4-1/2-inch tasks. It is a complete kit, meaning it includes the grinder and necessary accessories right out of the box, making it a solid entry-level option.
Do any of these grinders have variable speed control?
The DEWALT 20V MAX XR Variable Speed Angle Grinder (DCG410VSB) and the DEWALT XR 4-1/2 to 5-Inch Variable Speed Grinder (DCG411VSB) both offer variable speed. This feature allows you to adjust the RPM for different materials. Other models in the list, such as the DCG407P1 and DCG412P2, do not list variable speed in their attributes.
What is the weight of the heaviest grinder on this list?
The DEWALT 20V MAX XR 4-1/2 – 5 in. Brushless Grinder Kit (DCG410WW1) is the heaviest at 10.3 pounds. This added weight supports its heavy-duty grinding capabilities but reduces portability. In contrast, the Milwaukee M18 kit weighs only 15.9 ounces, and the DEWALT DCG410VSB weighs 4.74 pounds.
Which grinder uses a paddle switch?
The DEWALT 20V MAX XR Variable Speed Angle Grinder (DCG410VSB) and the Milwaukee M18 Cordless 4-1/2-Inch Grinder Kit (2680-21P) both use a paddle switch. This switch type requires two hands for operation, which can be less ideal for tight spaces. The DEWALT DCG407P1 uses a slide switch instead.
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