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DeWalt DCF850B Atomic 20V Max 1/4" Cordless Impact Driver (Tool Only)


Brushless, Cordless 3-Speed

At less than 4" in length, the Atomic 20V MAX 1/4" Brushless Cordless 3-Speed Impact Driver can handle tight applications like narrow cabinetry or framing without the need for an additional tool. Though the Impact Driver is lightweight and compact in size, it does not sacrifice performance with its brushless motor that delivers up to 1,825 in-lb of torque and 3,250 RPM for driving large-diameter screws. Illuminate dim workspaces for enhanced visibility with the 3-LED on-board work light and keep your workflow consistent.

Standard Equipment:

  • DCF850B Cordless Impact Driver
  • Belt Clip

Optional Accessories:


  • Rating: 20 Volt Max
  • Drive: 1/4" Hex Quick Release
  • No-load RPM: 3,250
  • No-load IPM: 3,800
  • Max Torque: 1,825 in-lbs
  • Length: 3.97"
  • Weight: 2.1 lbs


  • MANEUVER WITH EASE: Compact, under 4" design for optimized ergonomics and access to difficult-to-reach spots
  • HIGH-PERFORMANCE BRUSHLESS MOTOR delivers 1,825 in-lb of torque and 3,250 rpm to drive large-diameter screws
  • PRO-LEVEL CONTROL and precision with a variable 3-speed trigger
  • BRIGHTEN DARK WORK AREAS: Integrated 3-LED work light enhances visibility in dimly lit spaces/li>

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