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DCF850B

DEWALT® 20V MAX* ATOMIC 1/4-in. 3-speed brushless impact driver (tool only)

A person is using a DEWALT DCF850B cordless impact driver to drill a screw into a piece of wooden framing outdoors, with gravel on the ground.

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Product details

Tackle tough jobs and maneuver in small spaces with the ATOMIC 20V MAX* 3-speed 1/4 in. Impact driver. At less than 4 in. (front to back), this impact driver features 1,825 in-lbs. Of MAX torque and 3,250 RPM for driving large screws. Battery & charger sold separately

  • Maneuver with ease - compact, under 4 in. Design for optimized ergonomics and access to difficult-to-reach spots
  • High-performance brushless motor - drive large-diameter screws with 1,825 in-LB. Of MAX torque and 3,250 RPM.
  • PRO-level control - work precisely with a variable 3-speed trigger.
  • Brighten work areas - help enhance visibility in dimly lit spaces with the integrated 3-LED work light.

Product Type
Impact Driver Drill
Voltage
20 V
Cordless or Corded
Cordless
Power Source
Battery
Motor Type
Brushless

  • (1) Tool
  • (1) Belt Hook

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

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

Customer Support

* * Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.

Downloads and manuals

NB405943_man_Impact_Drivers_Combined_NA.pdf
PDF

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ATOMIC™

WHERE SIZE MEETS POWER™

Discover compact tools engineered for maximum performance. DEWALT® ATOMIC™ tools deliver the strength you demand without the bulk.

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Size without compromise

Improve maneuverability and tackle tough jobs in small spaces with tools designed to be compact and powerful.

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20V MAX* compatibility

Swap batteries among 300+ tools in the 20V MAX* system to keep your work moving without interruption.

A person uses a DEWALT cordless impact driver to work on the metal frame of a seat, which is placed on a DEWALT workstation.

Tools on the move

Keep moving and go from jobsite to jobsite with lightweight tools that maximize portability.

A person uses a DEWALT cordless impact driver to work on the metal frame of a seat, which is placed on a DEWALT workstation.
Graphic with a yellow background stating 'BATTERY AND CHARGER NOT INCLUDED' in bold black and white text.

Bare tool notice

This item does not include a battery or charger. Compatible batteries and accessories can be found within the ATOMIC™ 20V MAX* system.

ATOMIC™

Designed to be compact and powerful for a wide range of applications, our ATOMIC™ 20V MAX* tools are WHERE SIZE MEETS POWER™.

Explore systemBatteries & chargers
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