The DCG407B is a 20V MAX* brushless cordless 4.5-in. grinder with a slide-switch for continuous locking operation. The brushless motor maintains constant speed under load and includes overload protection. Mesh screens help prevent debris from entering internal components for extended durability. The tool includes both a Type B grinding guard and a clip-on guard for cutting operations. Battery and charger are sold separately. Compatible with the full DEWALT 20V MAX* system. Carries DEWALT's 3-year limited tool warranty.
What type of switch does the DCG407B have?
The DCG407B uses a slide-switch design that locks in the on position for continuous grinding operations, unlike paddle-switch models that require constant grip pressure.
Is the DCG407B a brushless grinder?
Yes. The DCG407B uses a brushless motor that maintains constant speed under load and provides longer motor life compared to brushed models.
What guards are included with the DCG407B?
The DCG407B includes both a Type B guard for grinding and a clip-on guard that converts the Type B guard for cutting wheel operations.
Can the DCG407B use both grinding and cutting discs?
Yes. The included clip-on guard converts the Type B grinding guard for use with cutting wheels, and the grinder accepts standard 4.5-in. accessories.
Is the DCG407B sold without a battery?
Yes. The DCG407B is a bare-tool configuration. It is compatible with the full DEWALT 20V MAX* battery system.
Have buyers reported quality control issues with the DCG407B?
The DCG407B is a newer model with limited Amazon review history. One reviewer noted a bearing defect out of the box; most reviewers report normal performance with no issues. DEWALT offers a 3-year limited warranty covering defects.
# DEWALT® 20V MAX* Brushless Cordless 4 1/2-in. Slide-Switch Grinder (Tool Only) **Model:** `DCG407B` **Brand:** DEWALT **Category:** Angle Grinder > The DCG407B is a 20V MAX* brushless cordless 4.5-in. grinder with a slide-switch for continuous locking operation. The brushless motor maintains constant speed under load and includes overload protection. Mesh screens help prevent debris from entering internal components for extended durability. The tool includes both a Type B grinding guard and a clip-on guard for cutting operations. Battery and charger are sold separately. Compatible with the full DEWALT 20V MAX* system. 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 | Brushless | | Tool Only | Yes | | Batteries Included | 0 | | Charger Included | No | | Piece Count | 1 | | Height (in.) | 4.9 | | Length (in.) | 13 | | Weight (lbs) | 4.87 | | Width (in.) | 6.75 | | Country of Origin | China | | Barcode (UPC) | 885911979153 | | Battery Platform | 20V MAX* | | Disc Diameter In | 4.5 | | Switch Type | Slide | | Warranty | 3-year limited (tool) | ## What's Included - (1) DCG407 20V MAX* Brushless Cordless 4.5-in. Slide-Switch Grinder - (1) Type B Guard - (1) Clip-On Guard Source: https://www.jaspecs.com/dewalt/angle-grinder/dcg407b-dewalt-20v-max-brushless-cordless-4-12-slide-switch-grinder-tool-only/