DEWALT 20V MAX* Angle Grinder vs DEWALT Angle Grinder Tool: Spec Comparison
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When you compare the dewalt 20v max angle grinder vs angle grinder tool, you see two distinct approaches to the same task. Both units feature a 4-1/2 inch wheel diameter and a paddle switch for control. The primary difference lies in their power source and motor technology. One relies on a cordless 20V MAX battery system with a brushless motor, while the other uses a traditional 11-amp corded AC motor. This choice affects weight, runtime, and operational environment significantly.
Key differences
| Aspect | DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder | DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder |
|---|---|---|
| Power Source | 20V MAX cordless | 11-Amp AC |
| Motor Type | Brushless | 11-Amp AC |
| Weight | 3.75 pounds | 8.25 pounds |
| Battery Included | No | Not listed |
| Length | 12.2 inches | 16.1 inches |
Which one should you choose?
Choose DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder if
- You need a lighter tool for overhead or extended use.
- You already own DEWALT 20V MAX batteries.
- You want a brushless motor for longer runtime.
Choose DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder if
- You require continuous power without battery changes.
- You prefer higher overload protection for tough materials.
- You want a quick-change wheel system without a wrench.
Verdict: The cordless brushless model suits professionals who need mobility and reduced fatigue due to its lighter weight. The corded 11-amp grinder is better for stationary work where constant power and higher RPMs are priorities. Your choice depends on whether you prioritize battery freedom or raw corded performance.
Spec Comparison: Brushless Cordless vs
Power Source
The DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder relies on a 20V MAX cordless battery system. This makes it portable and free from power cords, allowing you to work in areas without electrical outlets. In contrast, the DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder is a corded tool. It draws power directly from a standard electrical outlet via an 11-amp motor. This provides consistent, unlimited runtime as long as you are near a power source. You must choose between the mobility of the cordless option and the steady power delivery of the corded model.
Motor Type
The DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder features a brushless motor. This design requires no brush changes, which generally leads to longer motor life and higher efficiency. The DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder uses a traditional 11-amp AC/DC motor. While the corded model does not specify a brushless design, it is rated for 11,000 RPM for faster material removal. Brushless motors often offer better speed control and runtime on batteries. The corded motor offers high torque and durability for continuous heavy-duty use. You should consider your need for maintenance-free operation versus raw power consistency.
Weight and Portability
Weight is a significant factor when choosing between these two grinders. The DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder weighs 3.75 pounds. This lighter weight reduces fatigue during overhead work or extended use. The DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder is heavier, weighing 8.25 pounds. The additional weight comes from the larger AC motor and internal components. While the corded tool may feel more stable due to its mass, the cordless version offers much easier handling. If you plan to carry the tool up ladders or use it one-handed frequently, the lighter unit is more practical.
Safety Features
Both tools prioritize safety but use different mechanisms. The DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder includes a Kickback Brake. This electronic feature engages when a pinch, stall, or bind-up is sensed, quickly stopping the wheel to reduce movement and shut the grinder off. It also has E-Switch Protection for no-volt release. The DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder uses a mechanical paddle switch with a safety lock-off to prevent accidental startup. It lacks the active electronic kickback brake found in the cordless model. For tasks involving high-risk bind-up scenarios, the electronic brake offers an added layer of protection.
Included Tools
When you purchase the DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder, you receive the tool only. It does not include a battery, which means you must already own compatible 20V MAX batteries or purchase them separately. The DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder is also sold as a tool-only unit in many configurations, though some kits may include accessories. The key difference is that the cordless model requires a separate battery investment to function at all. The corded model is ready to use immediately upon plugging it in. Consider your existing battery ecosystem when deciding which tool fits your current setup.
Which DEWALT Angle Grinder Fits You
Users needing portability and brushless efficiency
Choose the cordless model for work away from outlets. Its brushless motor offers longer life and efficiency. The kickback brake stops the wheel in two seconds or less during binds. E-switch protection prevents unexpected restarts after power loss. You get precise control with a two-stage paddle trigger. This setup suits jobs where mobility and modern motor tech matter most.
Professionals prioritizing raw power and speed
Select the corded option for consistent, high-output performance. The 11-amp motor delivers 11,000 RPM for faster material removal. It includes a dust ejection system to protect internal components from debris. The low-profile gear case helps you reach into tight spaces. Quick-change wheel release saves time without a wrench. This tool is ideal for heavy-duty, stationary, or high-volume cutting tasks.
Those wanting safer operation and quick adjustments
This model features a safety lock-off on the paddle switch to prevent accidental startup. The one-touch guard rotates 360 degrees in a single action for quick repositioning. Matching wheel flanges ensure compatibility with common accessories. While heavier, the robust build supports demanding environments. The corded design ensures you never run out of power during critical operations.
The products compared
DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder
Best for: Cordless cutting and grinding tasks
- 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 is a cordless 20V MAX angle grinder with a 4-1/2 inch wheel. It uses a brushless motor for efficiency and includes a paddle switch. The tool weighs 3.75 pounds and measures 12.2 inches long. It features a kickback brake and an electronic brake that stops the wheel in two seconds. You get the tool only, without a battery. It suits users who need portable cutting or grinding power.
Pros
- Brushless motor requires no brush changes.
- Kickback brake engages on pinch or bind-up.
- Electronic brake stops wheel in 2 seconds or less.
- Paddle switch offers two-stage activation for safety.
Cons
- Sold as a bare tool with no battery included.
- Weighs 3.75 pounds, which is heavier than corded equivalents.
- No data on run time or battery compatibility.
Good fit if
- You need cordless mobility for overhead work.
- You want a brushless motor for longer life.
- You already own 20V MAX batteries.
Skip if
- You require a battery and charger in the box.
- You prefer a trigger switch over a paddle.
- You need a lighter tool for extended use.
Verdict: DEWALT 20V Brushless 4.5-Inch Grinder fits pros who value safety features and brushless efficiency in a cordless package. It is ideal for users already invested in the 20V MAX ecosystem.
DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder
Best for: heavy-duty stationary metal cutting
- Wheel Diameter
- 4-1/2 in.
- No-Load Speed
- 11,000 RPM
- Switch Type
- Paddle
- Safety Features
- Paddle switch with safety lock-off
- Included Tools
- Grinder
- Chuck Size
- 1/2 Inch
View on Amazon: DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder Affiliate link
This is a corded 4-1/2 inch angle grinder with an 11-amp motor running at 11,000 RPM. It features a low profile gear case for tight spaces and a quick-change wheel release. The paddle switch includes a safety lock-off. It suits users who need high speed and durability for metal work, especially where corded power is available.
Pros
- 11-amp motor delivers 11,000 RPM for fast material removal
- Quick-change wheel release removes wheels without a wrench
- Low profile gear case fits into tight spaces
- Dust ejection system protects internal components from debris
Cons
- Corded design limits mobility compared to battery tools
- Heavier at 8.25 pounds than many cordless alternatives
- Paddle switch may fatigue users during extended overhead use
Good fit if
- You need high power for heavy-duty metal cutting
- You work in a shop with easy access to outlets
- You require a quick wheel change system
Skip if
- You need cordless freedom for remote job sites
- You prefer a lighter tool for overhead work
- You want brushless motor efficiency
Verdict: DEWALT 4-1/2 Inch 11-Amp Angle Grinder offers robust power and speed for users who prioritize performance over portability. It is ideal for stationary workshops where corded reliability matters most.
Specifications side by side
| Spec | DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder | DEWALT 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder |
|---|---|---|
| Power Source | 20V MAX cordless | not stated |
| Wheel Diameter | 4-1/2 in. | 4-1/2 in. |
| Motor Type | Brushless | not stated |
| No-Load Speed | not stated | 11,000 RPM |
| Switch Type | Paddle | Paddle |
| Battery Included | No (tool only) | not stated |
| Safety Features | not stated | Paddle switch with safety lock-off |
| Voltage | 20V | not stated |
| Included Tools | Grinder | Grinder |
| Chuck Size | 1/2 Inch | 1/2 Inch |
| Dimensions | 12.2 × 4.7 × 6 inches | 16.1 × 7.91 × 5.98 inches |
| Weight | 3.75 pounds | 8.25 pounds |
| Size | Pack of 1 | 1 Count |
| Color | Multi | Multi |
| Model | DCG413B | DWE402K |
Frequently asked questions
Is the DEWALT 20V MAX grinder suitable for heavy-duty stationary metal cutting?
No. The cordless model is best for portable cutting and grinding tasks. It weighs 3.75 pounds and features a brushless motor for efficiency. The corded 11-Amp model is better for stationary work. It weighs 8.25 pounds and offers robust power for users who prioritize performance over portability in a workshop setting.
Does the cordless DEWALT grinder come with a battery included?
No. The DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder is sold as a bare tool. You must purchase compatible 20V MAX batteries separately. This design allows you to use existing batteries if you are already invested in the 20V MAX ecosystem, keeping the initial tool cost lower.
How much does the cordless DEWALT angle grinder weigh?
It weighs 3.75 pounds. The DEWALT 20V MAX 4-1/2-Inch Brushless Paddle Grinder (model DCG413B) is lightweight and compact. Its dimensions are 12.2 inches in length, 4.7 inches in width, and 6 inches in height. This makes it easier to handle for extended periods compared to heavier corded alternatives.
What type of switch does the DEWALT 20V MAX grinder use?
It uses a paddle switch. This control type allows you to operate the tool with your palm, offering better control and safety. If you release the paddle, the grinder stops immediately. This feature is common in both the cordless and the corded 11-Amp models for consistent user control.
Can I use this grinder for tasks away from electrical outlets?
Yes. The DEWALT 20V MAX model is cordless and powered by a 20V battery. This provides complete portability, allowing you to work in areas without access to power cords. It is ideal for job sites or remote locations where plugging in is not possible or practical for your workflow.
What is the wheel diameter for both DEWALT angle grinders?
Both models feature a 4-1/2 inch wheel diameter. This standard size accepts a wide variety of cutting and grinding discs. It offers versatility for most common metalworking and masonry tasks. You can find many compatible accessories at local hardware stores due to the widespread use of this specific wheel size.
Is the corded DEWALT grinder better for stationary workshop use?
Yes. The 11-Amp corded model is ideal for stationary workshops. It provides continuous power without the need to recharge batteries. Its heavier build, weighing 8.25 pounds, offers stability during heavy-duty operations. It suits users who prioritize consistent performance and do not need the mobility of a cordless tool.