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DEWALT DCD799B ATOMIC 20V MAX Brushless Hammer Drill
DEWALT’s DCD799B is a compact ATOMIC 20V MAX brushless 1/2-inch hammer drill with a 6.5-inch tool-head length, up to 1,650 RPM, up to 28,050 BPM and a metal chuck for bit retention.
The Home Depot • exact model DCD799B • checked August 19, 2026
Key specifications
- 20V MAX ATOMIC brushless platform
- 1/2-inch hammer drill
- Approx. 6.5-inch tool-head length
- Up to 1,650 RPM
- Up to 28,050 BPM
- Metal chuck
- Integrated LED work light
- Tool only; battery and charger sold separately
Buying verdict
A strong compact choice when access and weight matter more than the higher output and control features of larger XR hammer drills.
What to know before buying
The useful comparison is not only power. DCD799B is substantially shorter than many full-size hammer drills, so buyers working in cabinets, framing bays or overhead locations may value its packaging even if a larger drill has more output.
Source verification
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