DEWALT DCD999B FLEXVOLT ADVANTAGE 20V MAX Hammer Drill, 1/2-Inch, Tool Only — Up to 42% More Power

Powerful cordless drilling with FLEXVOLT ADVANTAGE

Experience the next level of freedom on the jobsite with the DEWALT FLEXVOLT ADVANTAGE 20V MAX Hammer Drill. When paired with a FLEXVOLT battery, this 1/2-inch instrument can deliver up to 42% more power than a standard 20V setup, enabling robust performance without tethering you to a cord. This is a tool only model, with the battery and charger sold separately.

Built for tough tasks and versatile use

Designed to work with all DEWALT 20V MAX and FLEXVOLT batteries, it provides flexibility across a range of projects. Its heavy-duty 1/2-inch ratcheting nitro-carburized metal chuck with carbide inserts grips bits securely, helping you push through demanding materials with steady control.

• Compatibility with 20V MAX and FLEXVOLT batteries supports on-site power options
• 3-speed transmission enables task-specific tuning of speed and torque
• Bit grip is enhanced by a rugged chuck for reliable performance

Visibility that keeps you productive

The 3-mode 20x brighter LED system lights challenging spaces, giving you clearer sightlines for precise drilling. A dedicated spotlight mode offers extended work time in darkness with a 20-minute shutoff to conserve battery life when appropriate.

• Three LEDs provide up to 20x brightness compared to older models
• Spotlight mode supports longer work sessions in dim environments

Smart features and asset management

Tool Connect Chip Ready readiness (DCE042) allows you to connect and manage tools via the Tool Connect Site Manager app, helping you keep track of inventory and usage on the jobsite.

• Tool Connect compatibility facilitates on-site asset tracking
• Carbide inserts in the chuck enhance bit retention for repeated tasks

Real-world benefits to expect

On framing or metal drilling, the combination of power, grip, and lighting can speed up workflows. In tight spaces, the bright LED and focused lighting improve accuracy, while the tool’s adaptability supports a range of materials and fastener tasks. Battery and charger are sold separately, so you can pair with existing DEWALT 20V MAX or FLEXVOLT batteries as needed.