Question 1

How much more power does the FLEXVOLT ADVANTAGE hammer drill provide?

Accepted Answer

The DEWALT 20V MAX 1/2 in. Hammer Drill delivers up to 42% more power when paired with a FLEXVOLT battery compared with using a standard 20V MAX battery. This added power is designed for challenging drilling and fastening applications. The tool is also compatible with both DEWALT 20V MAX and FLEXVOLT battery platforms, providing flexibility for existing users.

Question 2

What materials can this 20V MAX hammer drill work with?

Accepted Answer

This cordless hammer drill/driver is designed for drilling, fastening, and hammer drilling applications where variable speed and controlled power are required. Its 1/2-inch heavy-duty ratcheting nitro-carburized metal chuck with carbide inserts provides strong bit grip. The three-speed transmission and 11-position clutch allow users to adjust performance for different drilling and fastening tasks.

Question 3

What batteries are compatible with the DEWALT DCD999B hammer drill?

Accepted Answer

The DCD999B is compatible with all DEWALT 20V MAX and FLEXVOLT batteries. When paired with a FLEXVOLT battery, the FLEXVOLT ADVANTAGE technology enables the drill to deliver up to 42% more power for demanding applications. The battery and charger are sold separately, so they are not included with this tool-only model.

Question 4

How does the 3-mode LED light help when using the hammer drill?

Accepted Answer

The drill features a 3-mode LED light designed to provide improved visibility in dark or confined work areas. Its LED is rated as 20 times brighter, helping illuminate the drilling or fastening surface. A 20-minute LED shutoff function also extends work time by allowing the light to remain available after the tool is no longer actively running.

Question 5

What features improve control and bit grip on this cordless hammer drill?

Accepted Answer

The 1/2-inch keyless ratcheting nitro-carburized metal chuck uses carbide inserts to provide enhanced bit grip for demanding applications. An 11-position clutch helps control fastening torque, while the three-speed transmission provides task-specific performance. The variable-speed design and included 360° side handle also give users greater control when drilling, fastening, or operating the hammer function.

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