DeWalt DCF921B ATOMIC™ 20V MAX Brushless Cordless 1/2-Inch Impact Wrench with Hog Ring Anvil – 450 ft-lbs Breakaway Torque – Tool Only*

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SKU:
DWTDCF921B
UPC:
885911699983
MPN:
DCF921B
Availability:
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Weight:
3.0000 LBS
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  • DeWalt DCF921B ATOMIC 20V MAX 1/2 inch cordless impact wrench driving anchor bolt into steel base plate.
  • Rear profile view of DeWalt DCF921B ATOMIC cordless 1/2 inch impact wrench with brushless motor.
  • DeWalt DCF921B ATOMIC 20V MAX cordless impact wrench tightening pipe clamp fastener in industrial application.
MSRP: $319.00
Now: $218.00
Was: $319.00
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  • ✔️ Timber Screw Mode: Optimized speed for driving into wood. ✔️ Oil-Resistant: Glass-filled nylon housing resists solvents. ✔️ Ultra-Compact: Maneuver easily in cramped engine bays. ✔️ Bare Tool.
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Description

DeWalt DCF921B ATOMIC 20V MAX 1/2" Cordless Impact Wrench with Hog Ring Anvil (Tool Only)

Massive Torque. Ultra-Compact Design.

The DeWalt DCF921B ATOMIC™ 20V MAX 1/2-Inch Impact Wrench* is designed to handle the toughest fastening jobs in the tightest spaces. At only 4.97 inches in length, this "stubby" impact wrench fits effortlessly into cramped engine bays, between chassis components, or into tight structural steel joints. Despite its small footprint, the brushless motor pumps out a staggering 300 ft-lbs of max fastening torque and 450 ft-lbs of max breakaway torque, making short work of rusted bolts and stubborn fasteners.

This tool features a 1/2-inch Hog Ring Anvil, optimized for professionals who need to swap sockets rapidly and frequently throughout the day. To provide total control, DeWalt integrated a 4-mode selector, including Precision Wrench™ mode to prevent over-tightening in forward and run-away fasteners in reverse. With a built-in LED work light and a glass-filled nylon housing that resists chemicals and solvents, this wrench is built for the rigors of the professional shop.

Why the DeWalt DCF921B ATOMIC is a Pro Detailing & Mechanical Essential:

  • High-Output Brushless Motor: Delivers 450 ft-lbs of nut-busting torque for heavy-duty automotive and construction tasks.
  • Ultra-Compact Layout: At under 5 inches long, it offers industry-leading maneuverability for reaching fasteners in obstructed areas.
  • 4-Mode Speed Settings: Includes Timber Screw™ mode for wood fastening and Precision Wrench™ for surgical control over high-torque bolts.
  • Hog Ring Anvil: Provides a secure hold on sockets while allowing for fast, one-handed socket changes.
  • Chemical-Resistant Housing: The glass-filled nylon body is specifically designed to resist the corrosive effects of oils, solvents, and automotive fluids.

Specifications

Feature Specification
Series ATOMIC™ Compact Series
Voltage 20V MAX*
Max Fastening Torque 300 ft-lbs
Max Breakaway Torque 450 ft-lbs
Anvil Type 1/2" Hog Ring
No Load Speed 0 – 2,500 RPM
Impacts Per Minute 0 – 3,550 IPM
Tool Length 4.97 Inches
Weight 2.4 lbs (Bare Tool)

Frequently Asked Questions

+ What is the advantage of a "Hog Ring" anvil over a "Detent Pin"?
The Hog Ring (Friction Ring) allows you to pull sockets off and push them on quickly by hand. It is ideal for mechanics who change socket sizes constantly. A detent pin requires a tool to depress the pin for socket removal, which is better for overhead work where safety is the priority.
+ Can this wrench remove lug nuts?
Yes. With 450 ft-lbs of breakaway torque, the DCF921B can easily remove properly torqued lug nuts on passenger cars and light-duty trucks. For heavy-duty commercial trucks, we recommend the DeWalt DCF899 or DCF900.
+ What does "Precision Wrench" mode do?
In Precision Wrench™ mode, the tool will pause before impacting to prevent over-tightening. In reverse, it will slow down once the fastener is loose to prevent the bolt or nut from flying off.
+ Is this tool compatible with 20V compact batteries?
Yes. To maintain the "Atomic" compact benefit, many pros pair this with a POWERSTACK™ or 2.0Ah battery. However, for maximum torque on stubborn bolts, a larger 5.0Ah XR® or FLEXVOLT® battery is recommended.
 
 
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Product Specifications

category_bullets:
• 300 ft-lb Fastening: Powerful torque for automotive and construction. • 450 ft-lb Breakaway: Bust loose stubborn bolts with ease. • Precision Wrench: Mode to prevent overtightening. • Hog Ring Anvil: Fast socket swaps.
selling_points:
✔️ Timber Screw Mode: Optimized speed for driving into wood. ✔️ Oil-Resistant: Glass-filled nylon housing resists solvents. ✔️ Ultra-Compact: Maneuver easily in cramped engine bays. ✔️ Bare Tool.
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Related Products

On Sale
Angled front view of DeWalt DCF923B ATOMIC 20V MAX brushless cordless impact wrench tool only. Side profile of DeWalt DCF923B ATOMIC 20V MAX 3/8 inch cordless impact wrench with hog ring anvil.
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  • • 300 ft-lb Max Torque: Incredible power for a 3/8" drive tool. • 450 ft-lb Breakaway: Tackle stubborn fasteners with ease. • Precision Wrench: Mode prevents overtightening in forward. • Hog Ring Anvil: Secure sockets.
DeWalt DCF923B ATOMIC™ 20V MAX Brushless Cordless 3/8-Inch Impact Wrench with Hog Ring Anvil – 450 ft-lbs Breakaway Torque – Tool Only*

DeWalt

MSRP: $319.00
Now: $218.00
Was: $319.00
Dewalt DCF923B ATOMIC 20V MAX* 3/8 in. Cordless Impact Wrench with Hog Ring Anvil (Tool Only) Compact Without Compromise: The Ultimate 3/8" Powerhouse The DeWalt DCF923B ATOMIC™ 20V MAX 3/8-Inch...