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DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only)

DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only)

4.3· 124 ratings

Best price now

$178.35at AmazonObserved Nov 1, 2026, 9:53 AM

28% under what the other stores charge

Compared across 4 stores. Prices are checked against each store and labelled with when.

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Quick answers

Where is the DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only) cheapest?
At Amazon, for $178.35, 28% under what the other stores charge, as of our latest check.
Is the DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only) at its lowest price?
Yes: $178.35 is the lowest price we've seen for it since October 29.
What do buyers say about the DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only)?
Rated 4.3 out of 5 from 124 ratings.
Where can I buy the DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only)?
9 stores we checked sell it, including Amazon, Chief Miller Apparel, Garage And Fab, Gap Power, Walmart.

DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only) prices at every store

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  • Chief Miller ApparelNew

    In stockReturn policy

    $246.97Observed Nov 1, 2026, 9:53 AM
    Visit store
  • Garage And FabNew

    In stockReturn policy

    $248.00Observed Nov 1, 2026, 9:53 AM
    Visit store
  • Gap PowerNew

    In stockReturn policy

    $259.00Observed Nov 1, 2026, 9:53 AM
    Visit store
  • AmazonNew

    Availability unknown

    $178.35Observed Nov 1, 2026, 9:53 AM
    Visit store

Also available at

  • WalmartCheck price at Walmart
  • Ace HardwareCheck price at Ace Hardware
  • Home DepotCheck price at Home Depot
  • WalmartCheck price at Walmart
  • Lowe'sCheck price at Lowe's
  • MSC Industrial SupplyCheck price at MSC Industrial Supply

DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only) price history

$186.98$178.35
Oct 29Nov 1

Lowest price we've seen: $178.35 on Oct 31 at Walmart; highest $186.98 on Oct 29. Tracked across 7 stores since Oct 29.

From Walmart

  • 20V MAX XR mid-range torque impact wrench with hog ring anvil
  • Cordless bare tool: battery and charger sold separately
  • 600 ft-lb maximum fastening torque
  • 800 ft-lb maximum breakaway torque
  • 4 speed settings with variable speed trigger and LED work light
  • Precision wrench control helps prevent overtightening and fastener run-off
Returns
Free holiday returns until Jan 31
Shipping
Free shipping; arrives tomorrow when ordered within the stated window; ships to Sacramento, 95829
In the box
Tool only (battery and charger not included)

About the DeWalt DCF891B 20V Cordless 1/2" Impact Wrench (Tool Only)

DeWalt DCF891B 20V Impact Wrench Impact Wrench delivers 600'/lbs of max fastening torque and 800'/lbs of max breakaway torque. Designed with 4 speed settings, variable speed trigger and LED work light. Precision wrench control prevents overtightening and fastener run-off. Wrench is compact and lightweight at less than 4lbs.

Specifications

shape
1Source
size
1Source
color
BlackSource
Power Type
Cordless
Chuck / Drive Size
1/2 inch chuck / drive
Voltage
20 volts
Maximum Speed
2,000 RPM
Power Source
Cordless
Power Voltage
20V
Torque Range
800 ft-lbs (max breakaway torque)
Impacts Per Minute
3,150 IPM
Speed Range
2,000 RPM (no load speed)
Driving Power
Sank the lag bolt in 27.71 seconds
Fastening Capacity
900 ft-lbs (break free fasteners)
Speed Control
Yes (variable speed trigger)
Number Of Speed Settings
4
Motor Torque
800 ft-lbs (max breakaway torque)
Motor Type
Brushless
Motor Speed Settings
4
Battery Voltage
20V
Battery Type
Lithium Ion
Battery Capacity
1 Ah
Number Of Batteries Included
1
Battery Charge Time
22 min

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