The DCG412B is a 20V MAX* 4.5-in./5-in. cordless angle grinder featuring tool-free wheel removal and guard adjustments for quick setup. It is powered by a brushed motor delivering 8,000 RPM no-load and accepts both 4.5-in. and 5-in. wheels. The tool-only DCG412B is compatible with all DEWALT 20V MAX* batteries and chargers, making it an easy addition to an existing 20V MAX* cordless lineup. It carries DEWALT's 3-year limited tool warranty.
Is the DCG412B a brushless or brushed motor grinder?
The DCG412B uses a brushed motor, which is the older design. The newer DCG410B uses a brushless motor and delivers higher watt output and longer motor life.
Does the DCG412B work with any DEWALT 20V MAX battery?
Yes. The DCG412B is compatible with all DEWALT 20V MAX* batteries and chargers, making it easy to add to an existing 20V MAX* system.
What is the no-load speed of the DCG412B?
The DCG412B runs at up to 8,000 RPM no-load speed.
Does the DCG412B have tool-free wheel changes?
Yes. The DCG412B features tool-free wheel removal and guard adjustments so discs and guards can be changed without additional tools.
Is the DCG412B good for DIY and light professional use?
Yes. Reviewers describe the DCG412B as a reliable entry-level cordless grinder well suited for DIY projects, light metal cutting, and occasional professional use. It is not recommended for heavy continuous-duty grinding where a brushless model would be preferred.
What battery runtime can I expect?
Runtime depends on battery capacity and load. Reviewers with 5.0Ah batteries report good runtime for typical grinding tasks, while the brushed motor draws more current than the brushless DCG410B under load.
# DEWALT® 20V MAX* XR® 4-1/2-in. - 5-in. (114mm - 127mm) Cordless Angle Grinder (Tool Only) **Model:** `DCG412B` **Brand:** DEWALT **Category:** Angle Grinder > The DCG412B is a 20V MAX* 4.5-in./5-in. cordless angle grinder featuring tool-free wheel removal and guard adjustments for quick setup. It is powered by a brushed motor delivering 8,000 RPM no-load and accepts both 4.5-in. and 5-in. wheels. The tool-only DCG412B is compatible with all DEWALT 20V MAX* batteries and chargers, making it an easy addition to an existing 20V MAX* cordless lineup. It carries DEWALT's 3-year limited tool warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Angle Grinder | | Voltage (V) | 20 | | Cordless / Corded | Cordless | | Power Source | Battery | | Motor Type | Brushed | | Tool Only | Yes | | Batteries Included | 0 | | Charger Included | No | | Piece Count | 5 | | Height (in.) | 4.7 | | Length (in.) | 13.5 | | Weight (lbs) | 4.75 | | Width (in.) | 6.2 | | Country of Origin | Mexico | | Barcode (UPC) | 885911260800 | | Battery Platform | 20V MAX* | | Disc Diameter In | 4.5 | | No-Load Speed (RPM) | 8,000 | | Switch Type | Trigger | | Warranty | 3-year limited (tool) | ## What's Included - (1) DCG412 20V MAX* 4-1/2-in. - 5-in. Cordless Angle Grinder - (1) Side Handle - (1) Grinding Guard - (1) Cutting Guard - (1) Wheel Wrench Source: https://www.jaspecs.com/dewalt/angle-grinder/dcg412b-dewalt-20v-max-xr-4-12-5-114mm-127mm-cordless-angle-grinder-tool-only/