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Dewalt DCG412B 20V MAX Lithium Ion 4 1/2 Grinder Review
Last updated - August 24, 2025
Verdict overview
- worth the money 9.6
- movability 9.9
- Maneuverability 9.8
- Comfortable 9.8
- Flexibility 9.8
- Safety Features 9.8
Pros
Fast 8000rpm motor- Quick Change wheel release
- Tool free guard adjustment
Cons
Battery light use.
Tech specs
| color | Yellow |
| pattern | Grinder |
| batteries included | No |
| speed | 6500 RPM |
| wattage | 2000 watts |
| warranty description | 3 Year Limited Warranty |
| number of handles | 2 |
| customer reviews | 4.8 4.8 out of 5 stars 13,826 ratings 4.8 out of 5 stars |
| battery cell type | Lithium Ion |
| product dimensions | 16.75L x 7.32W x 4.75H |
| batteries | 1 Lithium Ion batteries required. |
| item weight | 4.73 pounds |
| special features | heavy-duty |
| accessory connection type | 5/8 Arbor |
| voltage | 20 Volts |
| maximum rotational speed | 8000 RPM |
| item package quantity | 1 |
| size | 5/8 in. |
| power source | Battery Powered |
| style | 20V 4-1/2 Grinder Tool Only |
| batteries required | Yes |
Product Overview
I recently had the pleasure of trying out the DEWALT DCG412B 20V MAX Lithium Ion 4 1/2 Grinder. This powerful tool is perfect for tackling tough jobs and has quickly become my go to grinder. Here s what I thought about it.
The first thing I noticed was that this grinder is incredibly powerful. With an 8,000 RPM motor, it has enough power to tackle even the toughest materials like metal, concrete, or stone. It also comes with a Quick Change Wheel Release, allowing you to remove the wheel without needing any tools. This is a great feature for those who need to make frequent wheel changes during their projects.
The ergonomics of this grinder are also impressive. The two finger trigger switch with lock off button makes it easy to use and provides more control than some other grinders on the market. The two position side handle also makes it much easier to maneuver in tight spaces and gives you more control over your grinding tasks.
When it comes to safety features, this grinder has got you covered. It features a tool free guard which allows you to quickly and easily adjust or position your guard without having to use any tools. This can help prevent accidents while you re working and ensure that your projects are done safely and efficiently.
This tool is perfect for anyone looking for a powerful grinder that can handle heavy duty tasks with ease. From professionals to DIYers, this grinder can tackle anything you throw at it. Whether you re cutting through metal pipes or grinding down concrete blocks, this grinder won t let you down. Additionally, its portability makes it easy to take with you wherever your job takes you no need for an extra vehicle or trailer!
Overall, I was very impressed with the DEWALT DCG412B 20V MAX Lithium Ion 4 1/2 Grinder and would highly recommend it to anyone looking for a reliable and powerful tool that will get the job done right every time. This grinder is sure to be a staple in my workshop for years to come!
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