Features
- Brushless motor for increased efficiency and durability
- Precision Wrench mode to help prevent overtightening and run-off
- Three speed settings and a multi-mode push-button switch (also adjusts LED brightness)
- Hog ring 1/2 in. anvil
- Oil- and solvent-resistant, glass-filled nylon housing
- On-tool LED work light
- Tool Connect™ chip-ready connectivity
- Variable speed control
Specifications
Anvil Size [In] | 1/2 |
Anvil Type | Hog Ring |
Battery Included | No |
Battery Type | Lithium Ion |
Battery Voltage [V] | 20 |
Color | Yellow |
Drive Size [In] | 1/2 |
Has Led Light? | Yes |
Has Variable Speed? | Yes |
Impact Rate Per Min. | 1890 |
Is Brushless? | Yes |
Is It A Set? | No |
Max. Breakaway Torque [Ft Lbs] | 1900 |
Max. Fastening Torque [Ft Lbs] | 1320 |
No Load Speed [Rpm] | 1200 |
Number Of Pieces | 1 |
Number Of Speed Settings | 3 |
Power Source | Cordless (battery sold separately) |
Product Length [In] | 8.43 |
Product Weight [Lbs] | 7.65 |
Tool Length [In] | 8.43 |
Type Of Connectivity | Tool Connect™ Chip-Ready |
Voltage [V] | 20 |
Warranty | 3 Year Limited Warranty; 1 Year Free Service; 90 Days Satisfaction Guaranteed |
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Cordless 20V impact wrench with a brushless motor designed for high-torque fastening and breakaway applications. Provides multiple speed settings, a precision mode to reduce overtightening/run-off, an oil- and solvent-resistant housing, and an integrated LED work light. Battery and charger sold separately.
DeWalt 1/2 in. Brushless High Torque Impact Wrench with Hog Ring Anvil (Tool Only) Review
I knew I was in for a workout the first time I lifted this impact wrench out of the case. It’s a big, serious tool, and it behaves like one. I put it straight into a mix of real jobs—rusted truck lug nuts, stubborn suspension hardware, and a particularly cranky crankshaft pulley bolt—and it made quick work of most of what I threw at it. Over a few weeks in the shop, it’s proven powerful, controllable, and purpose-built for heavy fastening, with a few caveats worth noting.
Design, balance, and build quality
This is a high-torque 1/2-inch impact, and it wears its power on the outside. At 8.43 inches long and 7.65 pounds as a bare tool, it’s hefty. With a 5.0Ah or 8.0Ah pack, you’re carrying a lot of mass, and the balance skews slightly nose-heavy with larger batteries. The upside is stability when you’re on a fastener that fights back; the tool’s weight helps keep the socket planted and reduces recoil. The downside is fatigue in overhead work or tight spaces.
The housing is glass-filled nylon and stands up well to shop life. Oils, brake cleaner, and general grime wipe off without hazing or softening the plastic. The rubber overmold provides decent grip even with gloves. The 1/2-inch hog ring anvil is quick for socket swaps, and retention was solid with all my common impact sockets. Expect cosmetic wear on the anvil nose fairly quickly—that’s normal for hog ring designs—but I didn’t see that translate into any functional issue during testing.
One detail I appreciate: the on-board LED is bright, and its brightness ties into the multi-mode button. The light is placed well enough to be useful in wheel wells and under chassis, though like most impacts it throws a bit of shadow with larger sockets.
Controls and usability
The control layout is straightforward. You get three speed settings plus a Precision Wrench mode, all accessed with a single push-button that also steps the light output. The variable-speed trigger is linear and predictable, which matters when you’re trying to ease a fastener up to torque without slamming it home. The Precision mode is actually useful; it reduces initial impact force to help prevent overtightening and run-off. With lug nuts and smaller hardware (think skid plates and crossmembers), it gave me a tidy, repeatable “snug” before I finished with a torque wrench.
Connectivity is “chip-ready,” not built-in. If you use DeWalt’s Tool Connect ecosystem, you can add the chip for tracking and management, but it’s an add-on, not something you get out of the box.
Power and real-world performance
On paper, the tool posts 1,320 ft-lbs fastening torque and up to 1,900 ft-lbs of breakaway. Spec sheets don’t turn bolts by themselves, so I went by results. With a fully charged 5.0Ah pack, it broke free rusted truck lug nuts and suspension bolts that my mid-torque driver wouldn’t budge. The crank pulley bolt test is always a good benchmark; this wrench backed it out in a couple of seconds after a brief ramp-up, which puts it in top-tier territory.
Where it separates from smaller impacts is consistency. On big, corroded fasteners—leaf spring U-bolts, hub nuts, subframe bolts—it delivers steady, controlled blows and doesn’t stall easily. The 1,200 RPM no-load speed and 1,890 IPM count are on the conservative side compared to some competitors, but the feel is less frantic and more authoritative. You’re not waiting long if the fastener is going to move, and when it’s not, you know it.
As always with cordless high-torque tools, battery choice matters. With a 5.0Ah pack, it handled about two wheel services and some suspension work before dropping off. An 8.0Ah high-output pack noticeably tightened up the hit, reduced voltage sag under sustained hammering, and extended runtime. If you’re buying this for regular heavy work, budget for the bigger battery.
Precision and fastening control
Raw torque is only half the story. The Precision Wrench mode and three speed settings make this tool usable beyond the “big fasteners only” category. I used Speed 1 and Precision mode to seat fasteners without chewing through gaskets or distorting brackets, then finished with a torque wrench or torque sticks. Speed 2 struck a nice balance for control arms and subframe hardware. Speed 3 and full send are there when you need them, and the tool hits hard, but having the other modes keeps you out of trouble.
A tip from the field:
- Use Precision mode for removal when you’re worried about run-off near delicate components; it can help stop the fastener as it breaks free.
- For lug nuts, seat them in a lower speed, use torque sticks, and always verify with a torque wrench.
Noise, vibration, and comfort
It’s quieter than a big air gun and more pleasant to use in tight spaces where hose management is a hassle. Vibration is what you’d expect from a high-torque impact—noticeable, but the grip and mass damp it reasonably well. Over a long day, the weight is the bigger factor than the vibration.
Durability and maintenance
The tool feels solid. The glass-filled housing resists chemicals, and the trigger and mode button maintained a crisp click after exposure to dust and grime. Hog ring anvils are consumable wear points in rough service; keep them clean, and plan on replacement down the line if socket retention starts to fade. I didn’t encounter any binding or gear issues during the test period, and the gearbox stayed tight with no external fasteners loosening.
A few best practices to extend life:
- Use impact-rated sockets only; sloppy fits accelerate anvil wear.
- Don’t ride the tool at max impact for extended periods on a single fastener—apply heat or penetrating oil and let the chemistry help.
- Keep the vents clear and let the tool cool between heavy bursts to avoid thermal throttling.
The 3-year limited warranty, 1-year free service, and 90-day satisfaction guarantee are reassuring for a tool in this class.
Comparisons and value
Against other high-torque cordless options, this wrench sits comfortably in the top tier for breakaway muscle. Some competitors spin faster and deliver more impacts per minute, which can feel snappier on medium-size fasteners. This one trades a bit of speed for a more controlled hit profile and useful precision features. If you’re already in the 20V ecosystem, it’s an easy fit. If you’re choosing fresh, consider your mix of work: if you need the absolute fastest runtimes on assembly lines, a different profile might suit you; for field and shop service on trucks, heavy equipment, and large hardware, this one punches above its size.
Value-wise, this is not a bargain tool, especially as a bare unit without battery or charger. But the performance ceiling is high, and the feature set—brushless motor, precision mode, adjustable light, and chip-ready tracking—adds real utility.
Limitations
- Weight and bulk: It’s heavy, and not the first tool I reach for in cramped engine bays.
- Hog ring only: Fast and convenient, but pin detent fans won’t find that option here.
- Battery dependency: To see its best, you’ll want higher-capacity packs; smaller batteries run but sag under sustained loads.
- Chip-ready, not connected: Tool tracking requires an extra purchase and install.
Who it’s for
- Mobile mechanics and fleet techs who need serious torque without dragging a hose.
- DIYers and pros tackling suspension, drivetrain, and construction fasteners where mid-torque tools come up short.
- Anyone already invested in 20V batteries looking for a top-end, high-torque addition.
If your day is non-stop, production-level heavy disassembly, a big pneumatic still has advantages in weight-to-power and duty cycle. For everyone else, the portability and control here make a strong case.
Recommendation
I recommend this impact wrench for users who need true high-torque performance in a cordless package and value control as much as power. It’s extremely capable at breaking stubborn fasteners, its Precision Wrench mode makes it safer for assembly than many peers, and the build holds up to tough shop environments. It’s heavy and not cheap, and you’ll want a high-capacity battery to unlock its best, but as a cornerstone tool for truck, equipment, and heavy automotive work, it earns a spot in the kit.
Project Ideas
Business
Mobile Tire & Seasonal Wheel Swaps
Offer on-site tire rotations, seasonal wheel changes, and flat repairs at homes and office parks. The 1,900 ft-lb breakaway torque handles seized lugs; multi-speed and Precision mode prevent overtightening before final torque by hand. Sell subscription packages (spring/fall swaps, inspections) and fleet services for small businesses.
Trailer and Hitch Maintenance Service
Provide mobile service for trailer axle U-bolts, hitches, couplers, brake backing plates, and wheel bearings. The oil/solvent-resistant housing suits greasy environments; the LED helps roadside or yard work. Offer annual safety inspections, re-torque packages, and emergency roadside fixes.
Deck/Hardware Bolt-Up Crew
Specialize in installing structural connectors on decks, pergolas, and sheds: post bases, angle brackets, structural screws, and ledger bolts. Use the impact for speed, then verify with a torque wrench. Price per connection or per project; partner with contractors for final close-outs and punch lists.
Industrial/Ag Equipment Fastener Service
Serve farms and light industrial shops for assembly/disassembly of bolted panels, guards, flanges, and machinery skids. High torque and quick socket changes accelerate tear-downs; Tool Connect chip-readiness helps track tool usage and deter loss. Bundle preventive maintenance visits with re-torque and fastener replacement.
Impact Wrench Kit Rentals + Training
Rent curated kits (wrench, batteries, charger, socket sets, torque wrench, torque sticks) for weekend projects like brake jobs or suspension work. Include quick-start guides and short video training. Upsell consumables (penetrating oil, gloves) and offer optional on-site assistance for tricky fasteners.
Creative
Modular Overland Rack Build
Design and assemble a bolt-together truck bed or SUV roof rack using slotted steel/channel (or 80/20) and Grade 8 hardware. The impact wrench’s hog ring anvil speeds socket swaps for different bolt sizes, and Precision mode helps prevent over-torquing thin brackets. Make it modular with captured nuts and slotted holes so the rack can be reconfigured for kayaks, rooftop tents, or recovery boards.
Kinetic Fastener Sculpture
Create a moving sculpture from stacked plates, spacers, and mixed hardware tightened into articulated clusters. Use the wrench’s variable speed for controlled compression of elements and the LED to work precise alignments. Incorporate springs and pivot bolts that can be tuned by loosening/tightening to alter motion and sound.
Heavy-Duty Garden Beds & Pergola
Build raised beds and a pergola using structural screws and lag bolts into posts and brackets. The high torque speeds assembly of post bases, angle brackets, and ledger connections, while Precision mode reduces the chance of stripping or crushing wood fibers. Oil-resistant housing is helpful for outdoor work with stains and sealants.
Pit-Crew Wheel Swap Training Station
Set up a practice stand with a hub, studs, and lug nuts to perfect star-pattern wheel changes. Use speed settings for removal vs. snugging, then finish with a torque wrench for accuracy. Add a timed scoreboard and LED-lit work surface for a fun, skill-building challenge with friends.
Mobile Tire/Tool Cart Build
Fabricate a rolling cart with socket rails, magnetic trays, battery dock, and a drawer for lug nuts and torque sticks. Mount a small work light and hangers for air hoses or breaker bars. The cart keeps everything organized for quick project turnarounds in the garage or driveway.