DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850"/lb 3250RPM
DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850"/lb 3250RPM
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DEWALT

DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850"/lb 3250RPM

|2 ratings

Key item features

DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850"/lb 3250RPM

  • Delivers up to 1,850"/lb of torque for powerful performance
  • Achieves 3,800 BPM for efficient fastening
  • Operates at a speed of 3,250 RPM for quick results
  • Features 3 LED on-board lights for improved visibility in dark workspaces
  • Equipped with a 3-speed trigger for versatile control

Specs

Torque, 1850 in lbElectric motor type, BrushlessVolts, 20 VoltsMaximum speed, 250 rpmFeatures, Variable SpeedSpeeds, 3

About this item

Product details

DeWalt DCF840B 20V Impact Driver

Impact Driver delivers up to 1,850"/lb of torque, 3,800BPM and 3,250RPM. Designed with 3 LED on-board lights and 3 speed trigger. Accepts 1" bit tips and is best used for framing, decking, cabinetry, electrical, dry-wall and plumbing/mechanical. Impact Driver is compact at under 4" and only weighs 2.1lbs.

DEWALT DCF840B-NBX, 20V, 0.25 inch Impact Driver, 1,850"/lb 3250RPM

  • Delivers up to 1,850"/lb of torque for powerful performance
  • Achieves 3,800 BPM for efficient fastening
  • Operates at a speed of 3,250 RPM for quick results
  • Features 3 LED on-board lights for improved visibility in dark workspaces
  • Equipped with a 3-speed trigger for versatile control
info:
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Specifications

Torque

1850 in lb

Electric motor type

Brushless

Volts

20 Volts

Maximum speed

250 rpm

Warranty

Warranty information

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Showing 1-1 of 1 review

Jun 15, 2026
Reviewer name: Matthew
Sold and shipped byMass Depot LLC
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Awesome lightweight impact with plenty of power

Helpful?6VFNO5V5AT0K3121405647
Current price is $72.07
Price when purchased online
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Sold and shipped by Mass Depot LLC
4.596092685143117 out of 5 stars
4.6 stars out of 5, based on 2201 seller reviews(4.6)
Extended holiday returns
Free Holiday returns until Jan 31
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$98.00
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Shipping, arrives by tomorrow to Columbus, 43215
Sold and shipped by M & A Sales
Extended holiday returns
Free Holiday returns until Jan 31