Search  for anything...

DEWALT DCG412B 20V MAX* Lithium Ion 4-1/2” grinder (Tool Only)

  • Based on 14,867 reviews
Condition: New
Checking for product changes
$89.10 Why this price?
Save $59.90 was $149.00

Buy Now, Pay Later


As low as $14.85 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Mar 3
Order within 19 hours and 15 minutes
Available payment plans shown during checkout

Style: 20V 4-1/2" Grinder (Tool Only)


Pattern Name: Grinder


Features

  • 8,000 rpm motor provides high power for cutting and grinding applications for the angle grinder
  • DEWALT grinder comes with Quick-Change Wheel Release allowing tool free wheel removal without need for a wrench
  • Tool-free guard of the metal grinder allows for quick and easy guard adjustments/positioning
  • 2-finger trigger switch with lock-off button for convenient activation and easier gripping
  • 2-position side handle offers greater control, comfort and versatility

Description

The DCG412B 20V MAX Lithium Ion 4-1/2-inch / 5-inch Cordless Angle Grinder increases productivity with features like Quick-Change wheel release, convenient trigger switch with lock-off button, and extended run-time battery of the DEWALT cordless grinder.

Brand: DEWALT


Product Dimensions: 16.75"L x 7.32"W x 4.75"H


Style: 20V 4-1/2" Grinder (Tool Only)


Power Source: Battery Powered


Color: Yellow


Brand: ‎DEWALT


Product Dimensions: ‎16.75"L x 7.32"W x 4.75"H


Style: ‎20V 4-1/2" Grinder (Tool Only)


Power Source: ‎Battery Powered


Color: ‎Yellow


Voltage: ‎20 Volts


Wattage: ‎2000 watts


Maximum Rotational Speed: ‎8000 RPM


Global Trade Identification Number: ‎00


Manufacturer: ‎DEWALT


UPC: ‎885911260800


Part Number: ‎GID-298441


Item Weight: ‎4.64 pounds


Country of Origin: ‎Mexico


Item model number: ‎DCG412B


Batteries: ‎1 Product Specific batteries required.


Is Discontinued By Manufacturer: ‎No


Size: ‎5/8 in.


Pattern: ‎Grinder


Item Package Quantity: ‎1


Number Of Pieces: ‎1


Number of Handles: ‎2


Speed: ‎6500 RPM


Accessory Connection Type: ‎5/8" Arbor


Special Features: ‎heavy-duty


Included Components: ‎bare-tool


Batteries Included?: ‎No


Batteries Required?: ‎Yes


Battery Cell Type: ‎Lithium Ion


Warranty Description: ‎3 Year Limited Warranty


Date First Available: March 23, 2012


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Mar 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Reliable Power and Precision
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
Using the DEWALT 20V MAX* Angle Grinder Tool has truly enhanced my DIY projects. As soon as I got my hands on it, I could feel the quality and robustness of the tool. The cordless design is incredibly convenient, allowing me to move freely around my workspace without being tethered to an outlet. One aspect I particularly enjoy is the power it packs. Cutting through metal and grinding down rough edges was smooth and efficient, with no noticeable drop in performance. The paddle switch is responsive and adds a layer of safety, which is crucial when handling such a powerful tool. The ergonomic design makes it comfortable to hold, even during extended use. The tool's balance is spot on, reducing hand fatigue and making precise work easier. Changing out the wheels is quick and straightforward thanks to the included wrench, which saves time and keeps the workflow smooth. The only slight hiccup I encountered was the battery life. While it’s decent, for more extensive projects, having a backup battery is essential to avoid downtime. But considering the tool's performance, this is a minor trade-off. This angle grinder has become a staple in my toolkit. Whether it’s for heavy-duty cutting or detailed grinding, it delivers reliable power and precision. For any DIYer or professional, it’s a tool that stands up to demanding tasks with ease. ... show more
Reviewed in the United States on July 17, 2024 by dragonlord

  • Well designed.
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
So far just used for twisted wire brush on rust, worked great, with little drain on a generic 4Ah battery. Weight is fine, balance good. I like the hex wrench system for tightening the arbor screw; much more likely to be readily available if the provided wrench is lost or forgotten. 6K RPM's plenty adequate for light to moderate jobs. Tool seems well thought out to me. The complaints about stopping with overheating and binding are a little hard to understand given that these are built in safety and longevity features thoroughly covered in the instructions. This is not equal to a plug in tool, as is true of all battery powered tools. I expect if a constant heavy load is put on it the battery will run down quickly, and the motor is likely to overheat given the constraints of battery powered tools. Just physics, folks. If you want 10K+ RPM and ability to do constant heavy cutting or grinding, use something with a cord! ... show more
Reviewed in the United States on August 15, 2024 by stuart denny

  • Grinder
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
Great for my work shop
Reviewed in the United States on February 5, 2025 by Amazon Customer

  • Great angle grinder
Style: 20V 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
I have used this a number of times for cutting steel roof panels and it has worked flawlessly. I wish I would have bought one earlier!
Reviewed in the United States on December 4, 2024 by TWS

  • Eats batteries, but is a great tool
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
For quick jobs this tools is great I would recommend at least a 5 amp hour battery. But, if you need to grind for more than 5 minutes its not great and would I would still recommend the corded version.
Reviewed in the United States on June 13, 2024 by JE

  • Absolutely worth the money and I got it at a discount for cyber Monday
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
Very happy with this tool, extremely powerful and well built
Reviewed in the United States on December 2, 2024 by Eric Eric

  • Dealt Grinder
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
Great product
Reviewed in the United States on January 28, 2025 by Jim K.

  • Works great
Style: 20V Brushless 4-1/2" Grinder (Tool Only) Pattern Name: Grinder
Love it
Reviewed in the United States on January 3, 2025 by Rwturbo

Can't find a product?

Find it on Amazon first, then paste the link below.