DEWALT 20V MAX* Angle Grinder Tool Cordless Brushless, 4 1/2 Inch, with
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Highlights
- Brushless motor of the angle grinder requires no brush changes.
- DEWALT grinder's brake stops wheel in 2 seconds or less on average
- Kickback Brake engages when a pinch, stall, or bind-up event is sensed and the electronic brake engages with maximum force to quickly stop the wheel, reduce the movement of the metal grinder and shut the grinder off.
- Features E-Switch Protection - When the ON/OFF trigger switch has a no-volt release function. In the event of a power outage or other unexpected shut down, the trigger switch will need to be cycled (turned off and then on) to restart tool.
- Two stage trigger requires two actions to activate tool.
Why You'll Love It
- Brushless motor design eliminates the need for routine brush replacement maintenance
- Rapid electronic brake stops the wheel in two seconds or less on average
- Kickback Brake shuts the motor down quickly if it senses a pinch or bind-up
- E-Switch Protection prevents accidental restarts after power interruptions until the trigger is reset
- Two-stage trigger mechanism requires intentional two-step action before powering on the tool
Pros
- +Fast stopping brake in two seconds or less
- +Brushless motor requires zero brush replacements
- +Automatic kickback shutoff for bind-ups
- +Two-stage safety trigger prevents accidental starts
- +No-volt power outage protection
Cons
- -Requires cycling the switch manually after unexpected shut downs
- -Limited to 4-1/2 inch size accessories
- -Battery and charger not detailed in listing
Detailed Review
This DEWALT 20V MAX cordless brushless 4-1/2-inch angle grinder is designed for cutting and metal grinding tasks where speed and responsive handling are priorities. By eliminating the cord, it gives you portability across different work areas without having to search for an outlet.
Safety and control are central to the tool's design. The built-in electronic brake brings rotating wheels to a complete stop in two seconds or less on average. In addition, an integrated Kickback Brake monitors for binds, stalls, or pinches, immediately applying maximum braking force to shut the metal grinder down and limit unexpected movement.
The power management features help prevent accidental startups. A two-stage trigger requires two separate actions to turn the tool on, reducing the chance of bumping it into operation. It also includes E-Switch Protection, which features a no-volt release function that stops the grinder from restarting automatically after power cuts or unexpected shutdowns until you cycle the trigger off and on again.
As a dedicated 4-1/2-inch cordless model, it is restricted to that specific accessory size. The listing also does not mention included batteries, a charger, or extra wheel guards, so you will need to verify compatible 20V MAX equipment separately.
Verdict: This cordless angle grinder is a solid choice for anyone seeking a 4-1/2-inch cutting and grinding tool with extensive safety cutoffs and zero brush maintenance. It works best for users who prioritize automatic braking and active bind-up protection.
Who Should Buy It
A great fit if you:
- Need a cordless 4-1/2-inch tool for metal grinding and cutting tasks
- Want a low-maintenance brushless motor that skips brush changes
- Value active safety features like kickback detection and rapid 2-second wheel braking
- Prefer extra startup safety from a two-stage trigger and no-volt restart prevention
Consider something else if you:
- Need a grinder that takes wheels larger than 4-1/2 inches
- Prefer a simple single-action on/off switch without two-stage activation
FAQ
How fast does the wheel stop when you release the trigger?
The tool's electronic brake stops the wheel in an average of two seconds or less.
What happens if the grinder stalls or pinches during use?
The Kickback Brake detects the pinch, stall, or bind-up event and applies maximum braking force to stop the wheel quickly and shut the tool down.
Does the grinder turn back on automatically after a power interruption?
No. Due to the E-Switch Protection with no-volt release, you must cycle the trigger switch off and then back on to restart the tool after an unexpected shut down or power outage.
Product Details
| ASIN | B07457BXJW |
