DeWalt DCF845B 20V MAX XR 1/4 in. 3-Speed Impact Driver - Tool Only
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DeWalt 20V MAX XR 1/4 in. 3-Speed Impact Driver - Tool Only
The DeWalt DCF845B is a 20V MAX XR brushless impact driver with a 1/4 in. quick-connect hex chuck, built for driving screws and fasteners into wood, metal and light masonry backing. It delivers up to 1,825 in-lbs of max torque and up to 3,400 RPM across three speed settings, with a 3-LED work light and Tool Connect chip-ready electronics for tool tracking.
Bare tool only. No battery or charger is included. It runs on any DeWalt 20V MAX battery, so buy or reuse one separately.
Features and Common Uses
- Brushless motor with electronic clutch delivers up to 1,825 in-lbs of max torque and up to 4,200 impacts per minute
- Three speed settings from 0 to 3,400 RPM match speed and torque to the fastener and material
- 1/4 in. quick-connect hex chuck accepts standard impact-rated bits and sockets with no sleeve to retract
- Integrated 3-LED work light with a 20-second delay lights up dark work areas
- Tool Connect chip-ready for tool tracking and inventory management, chip sold separately
Commonly used for:
- Driving deck screws, structural screws and lag bolts
- Framing, subfloor and general fastening on job sites
- Removing and installing self-tapping metal screws
Specifications
| Brand | DeWalt |
|---|---|
| Model Number | DCF845B |
| Series | 20V MAX XR |
| Chuck | 1/4 in. quick-connect hex |
| Max Torque | 1,825 in-lbs |
| No-Load Speed | 0-3,400 RPM, 3-speed |
| Impact Rate | up to 4,200 IPM |
| Motor | Brushless |
| Weight | about 2 lb, bare tool |
| Length | 5.1 in. |
| Work Light | 3-LED, 20-second delay |
| Battery | 20V MAX, sold separately |
Torque, speed and impact-rate figures are DeWalt's published specifications for the DCF845 platform; the bare-tool weight and length are not listed on DeWalt's own product page and are carried from a secondary source reprinting the official spec sheet, flagged separately from the manufacturer-sourced figures above. Source: DeWalt DCF845B Product Page (dewalt.com).
Frequently Asked Questions
Does this come with a battery?
No. This is the bare tool (DCF845B). It runs on any DeWalt 20V MAX battery; battery and charger are sold separately.
What bits does it take?
Standard 1/4 in. hex impact-rated bits and sockets, held by the quick-connect chuck with no sleeve to retract.
How many speed settings does it have?
Three, set with the switch above the trigger, from a low setting for delicate fasteners up to 3,400 RPM for driving.
What's in the box?
The impact driver and a belt hook. No battery or charger.