DEWALT DEW-DCF850B ATOMIC 20V MAX 1/4 IN. Brushless Cordless 3-Speed Impact Driver (Tool Only)


At less than 4 in. in length, the Atomic 20V MAX 1/4 in. 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.


  • maneuver with ease: compact, under 4 in. 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


  • drive 1/4 in. (quick release hex shank)
  • impacts/min 3800 IPM
  • max torque (in-lbs) 1825 in-lbs
  • no load speed 3250 rpm
  • tool height 8 in
  • tool length 3.97
  • in tool weight 2.1 lbs


  • Tool
  • Belt Hook