ATOMIC™ 20V MAX* Brushless Cordless 1/2 in. Hammer Drill Kit

Product Overview

Unlock power for tough masonry drilling applications with the ATOMIC™ 20V MAX* 1/2 in. Hammer Drill. This compact hammer drill delivers up to 552 UWO† so you can maintain productivity in tight areas. For user convenience, this kit includes (1) 20V MAX* 3Ah battery, a charger, and a durable storage bag for portability on the jobsite.

Additional Features

  • UNLOCK POWER IN A COMPACT SIZE with 552 UWO† and up to 28,050 BPMs to tackle tough jobs in tight spaces.
  • ILLUMINATE WORKSPACES using the on-tool LED work light.


  • (1) DCD799 ATOMIC COMPACT SERIES™ 20V MAX* Brushless Cordless 1/2 in. Hammer Drill
  • (1) DCB230 20V MAX* 3.0Ah Battery
  • (1) DCB112 Charger
  • (1) Belt Hook
  • (1) Kit Bag


Chuck Capacity
0.5 in
Chuck Type
Clutch Positions
No Load Speed (BPM)
No Load Speed (RPM)
Power Source
Product Height
7.97 in
Product Weight
2.53 lbs
Product Width
2.49 in
Variable Speed



  • 3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

Learn More


We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

Support Manual


  • * Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.
  • **DCD799 is Our Shortest 20V MAX* Hammer Drill, tool head length only.
  • ***The DEWALT DCD799 with a DEWALT DCB230 battery provides up to 14% More Power vs. DEWALT DCD778 with a DEWALT DCB230.
  • † Based on using DCB230 battery.