Key Features
Real Bolt-Breaking TorqueWith up to 250 ft-lbs of fastening torque and 400 ft-lbs of breakaway torque, this impact wrench handles lug nuts, bolts, and stubborn fasteners without stepping up to a larger, heavier tool. Compact 1/2-Inch DriveThe short 5.2 inch body helps the DeWALT DCF911B 20V MAX 1/2-in. Impact Wrench with Hog Ring Anvil get into tight wheel wells, equipment bays, and other cramped work areas where bulk slows you down. Fast Socket ChangesThe hog ring anvil gives you quick, secure socket swaps, which matters when you are bouncing between different fastener sizes and do not want to fight a detent pin.
Overview
The DeWALT DCF911B 20V MAX 1/2-in. Impact Wrench with Hog Ring Anvil is a compact cordless fastening tool built for mechanics, service techs, contractors, and serious DIY users who need solid torque without dragging around a full-size high-torque wrench. This is a cordless impact wrench designed for quick loosening and tightening of bolts, lug nuts, and other fasteners. Model Number: DCF911B. If your work regularly puts you in tight spots but still calls for real fastening muscle, this is the kind of tool that makes sense.
On the numbers that actually matter, this 20V MAX impact wrench delivers up to 250 ft-lbs of max fastening torque and 400 ft-lbs of max breakaway torque. That gives it enough range for lug nuts, equipment hardware, and general bolt work while keeping the package lighter and easier to manage than a larger shop-focused impact. It is a good fit when you want one tool that covers a broad chunk of everyday fastening instead of carrying a bulky wrench for every job.
The compact body is a big part of the appeal here. At 5.2 inches long and about 2.2 lbs tool weight, the DCF911B is built for confined, difficult-to-access workspaces. That matters around suspension components, engine bays, steel assemblies, and mechanical installs where clearance is limited and a longer tool turns a simple job into a knuckle-busting one. It is easier to hold overhead, easier to maneuver one-handed, and less tiring when you are moving from fastener to fastener all day.
DeWALT pairs that compact layout with a brushless motor, which is the right setup for a cordless impact wrench like this. A brushless motor helps the tool run efficiently and keeps the powertrain more practical for repeated fastening work. The 1/2-inch square drive and hog ring anvil are also a smart combination for the target user. If you swap sockets often, hog ring retention is usually the better choice because it is quick, secure, and less fussy than a pin-style setup.
Jobsite practicality is built in too. The integrated LED ring helps when you are working in low light under vehicles, inside utility spaces, or in dim corners of a mechanical room. The housing is listed as glass-filled nylon, which adds durability and, according to the product imagery and supporting data, offers resistance to harsh automotive chemicals and solvents. That is worth paying attention to if this tool will spend time in a service truck, garage, or maintenance environment instead of staying clean on a shelf.
The DCF911B is part of the DEWALT 20V MAX battery platform, so it makes the most sense for users already running that system. That means battery and charger flexibility across other 20V MAX tools, but it also means this version is a tool-only purchase. In the box you get the impact wrench and a belt clip. Battery and charger are sold separately, which is great if you are already invested in the platform and not so great if this is your first DeWALT cordless tool.
Who should buy it? This is a strong choice for automotive work, general service and repair, equipment maintenance, steel and mechanical fastening, and contractor punch-list jobs where portability matters as much as output. If you mainly break loose extremely seized suspension hardware every day, you may still want a larger high-torque model in the truck. But if you want a compact 1/2-inch cordless impact wrench that covers a wide range of real-world fastening tasks without feeling oversized, this one lands in a very useful middle ground.
Compact Power for Tight Access
A compact impact wrench only matters if it still has enough output to do the work. This one does. The DCF911B is sized for cramped spots but still brings the torque needed for a wide range of fastening jobs.
- Up to 250 ft-lbs max fastening torque for bolts, lug nuts, and general heavy-duty fastening
- Up to 400 ft-lbs max breakaway torque to help free stuck fasteners without stepping up to a larger tool right away
Built for Automotive and Service Work
This tool is a natural fit for wheel service, mechanical work, and general maintenance. The short body helps you work inside wheel wells and around suspension parts without wrestling the tool into place.
- Glass-filled nylon housing is listed in product data and supports durability in harsh work environments
- Product imagery highlights resistance to automotive chemicals and solvents, which matters in shop use
DeWALT DCF911B 20V MAX 1/2-in. Impact Wrench with Hog Ring Anvil Details
The hardware setup here is aimed at users who move fast. A 1/2-inch square drive gives you common impact socket compatibility, and the hog ring anvil keeps socket changes simple.
- 1/2-inch square drive for standard impact wrench socket use
- On-board LED ring helps light up dark fastening points under vehicles, equipment, and inside utility spaces
What’s in the Box
- (1) DCF911 Impact Wrench
- (1) Belt Clip
Battery and charger sold separately.
Key Specifications
| Voltage (V) | 20 V |
|---|---|
| Motor Type | Brushless |
| Drive Size | 1/2 in square |
| Anvil Type | Hog ring |
| Max Fastening Torque | 250 ft-lbs |
| Max Breakaway Torque | 400 ft-lbs |
| No-Load Speed (RPM) | 2800 RPM |
| Impacts Per Minute | 3250 IPM |
| Length (in) | 5.2 in |
| Weight (lbs) | 2.2 lbs |
| Housing Material | Glass-filled nylon |
| Variable Speed | Yes |
Compatibility
Battery Platform Compatible with the DEWALT 20V MAX battery platform. Socket Interface Uses 1/2 in square drive impact sockets.
Built For
AutomotiveEquipment MaintenanceMechanical FasteningGeneral ContractingService TrucksDIY / Hobbyist
Pro Tip
If you are using this impact wrench for wheel and suspension work, keep a couple of common 1/2 inch impact sockets clipped nearby and lean into the hog ring setup. It is quicker than a pin anvil when you are bouncing between fastener sizes all day.
Warranty & Support
3 Year Limited Warranty, 1 Year Free Service, and 90 Day Satisfaction Guarantee.
Tool Nut’s Take
Tool Nut’s Take
Small Footprint, Useful Torque
The DeWALT DCF911B 20V MAX 1/2-in. Impact Wrench with Hog Ring Anvil hits a sweet spot for users who want real fastening performance in a compact cordless package.
- Who it’s for: Mechanics, maintenance techs, contractors, and homeowners who need a 1/2-inch impact wrench for lug nuts, bolts, and general service work in tighter spaces.
- Why it stands out: You get 400 ft-lbs of breakaway torque, a compact 5.2 inch body, brushless motor, and a hog ring anvil that keeps socket swaps quick.
- Worth knowing: This is the bare tool, so battery and charger are not included. If you already own DEWALT 20V MAX packs, that is a plus. If not, factor that into the real buy-in cost.
Common Questions
- Is this a drill or an impact driver? No. This is a cordless 1/2 in impact wrench designed for bolts, lug nuts, and other heavier fasteners that use impact sockets.
- What battery system does it use? It runs on the DEWALT 20V MAX battery platform.
- Does it have a brushless motor? Yes. The DCF911B uses a brushless motor.
- Can it help with lug nuts? Yes. DeWALT rates it at up to 250 ft-lbs max fastening torque and 400 ft-lbs max breakaway torque, which suits lug nuts and similar automotive fastening tasks.
Reviews
There are no reviews yet.