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Description
DEWALT Impact Wrench DWMT70773L 1 2 Inch Heavy Duty Air Driver (650 Foot Pounds Torque 7500 RPM One Hand Operation Pneumatic Fastening Automotive)Break Free Stuck Fasteners and Manage Heavy Fleet Maintenance Natively with Single Hand Forward Reverse Controls The DEWALT DWMT70773L 1 2 Inch Drive Heavy Duty Air Impact Wrench is an industrial grade pneumatic fastening tool engineered to deliver up to 650 ft lb of maximum breakaway torque. This heavy duty air driver operates at a free speed of 7,500 RPM under a regulated 90 PSI pressure ceiling to accelerate high volume assembly and disassembly
Break Free Stuck Fasteners and Manage Heavy Fleet Maintenance Natively with Single Hand Forward Reverse Controls
The DEWALT DWMT70773L 1/2-Inch Drive Heavy Duty Air Impact Wrench is an industrial-grade pneumatic fastening tool engineered to deliver up to 650 ft-lb of maximum breakaway torque. This heavy-duty air driver operates at a free speed of 7,500 RPM under a regulated 90 PSI pressure ceiling to accelerate high-volume assembly and disassembly cycles. Outfitted with a specialized single-hand directional selector switch and integrated shock-resistant rubber composite protective housing bumpers, this balanced 5.94-pound mechanical tool optimizes unassisted automotive chassis and industrial machinery tear-downs.
Best Used For:
- Automotive Fleet Service: Stripping away rusted lug nuts and stubborn wheel fasteners unassisted during high-volume tire rotation and brake servicing cycles.
- Suspension Component Tear-Downs: Extracting seized suspension alignment bolts and subframe hardware components without manual breaker bar leverage.
- Industrial Machine Assembly: Fastening high-tensile structural bolts securely across heavy equipment mount frames, industrial pumps, and metal factory rigs.
Key Performance & Safety Features
- Formidable 650 Foot-Pound Torque Core: High-output internal twin-hammer mechanical mechanism forces rapid impact energy waves to break down seized fasteners.
- Single Hand Directional Selector: Ergonomically placed rocker configuration facilitates quick thumb transition parameters between forward and reverse lines natively.
- Shock Resistant Armor Bumpers: Protective elastomer body inserts preserve internal alignment tolerances during accidental shop drops onto concrete flooring.
- Optimized Compressor Flow Matching: Precision air intake management regulates load consumption to 5.9 CFM at 90 PSI to extend workstation compressor cycles.
- Vibration Damping Grip Frame: Balanced polymer composite shell contours control tool tracking while reducing structural hand fatigue over long service shifts.
What's Included
- (1) DWMT70773L 1/2-Inch Drive Heavy Duty Pneumatic Air Impact Wrench Unit
- (1) Maintenance Bottle of Premium Pneumatic Air Tool Lubricant Oil
Technical Specifications
| Brand Manufacturer: | DEWALT |
| Model Number (SKU): | DWMT70773L |
| Product Type Category: | Pneumatic Impact Wrench |
| Square Drive Size: | 1/2 in |
| Maximum Fastening Torque: | 650 ft-lb |
| Maximum Free Speed: | 7,500 RPM |
| Average Air Consumption: | 5.9 CFM |
| Recommended Air Pressure: | 90 PSI |
| Air Inlet Interface Thread: | 1/4 in NPT Port |
| Directional Shifting Control: | One-Hand Forward / Reverse Switch Mechanism |
| Assembled Tool Length: | 10.8 in |
| Assembled Tool Width: | 9.3 in |
| Assembled Tool Height: | 3.6 in |
| Total Structural Weight: | 5.94 lbs |
| Country of Origin Manufacturing: | Taiwan |
PRO-TIP: To preserve maximum anvil strike velocities and protect internal planetary valves from humidity corrosion, inject 4 to 5 drops of the bundled pneumatic lubricating oil directly into the 1/4-inch NPT air inlet port prior to each shop rotation shift. Keeping line moisture managed natively guarantees consistent 650 ft-lb break-away output ratings and extends hardware lifespan.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Works great!
Color: Orange, Number of Items: 1
This works great! It is kind of bulky and big but I guess that's for the air. I use it for everything and it's portable to take on the go. Love all the attachments that it comes with. Very versatile. Display reads perfectly and correct and the inflation is super fast. Will definitely buy again!
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Reviewed in the United States on May 27, 2026
★★★★★ 4
Works reasonably well, though with an Achilles' Heel.
Color: Orange, Number of Items: 1
I've had to use this on tires that were very low, both on cars and on bicycles. It works exactly as you'd expect and absolutely has no trouble handling the much higher pressures of bike tires as well as the much larger volumes of typical car tires. I kind of wish it came with some sort of pouch or something because the box it comes in is the only means to store it with all of its attachments,; Because of how tightly it's all packed in the box, it's a bit of a pain getting it all arranged neatly in the box each time, but that's a minor quibble.
If Amazon reviews allowed fractional star earnings, I'd probably rate this more accurately a 3.75 or 3.875. It still has two little flaws. One is the accuracy of its pressure gauge. It always seems to fall just a little short. For example, on my car, recommended cold pressure is 36 psi in front and 39 in the back. I tried pumping to those levels, and everything looked fine. But immediately afterwards, the TPMS sensors would tell me I'm at 35 and 37. Likewise, I like to keep my bike tires at around 42 psi for my commuter bike and around 70 psi for a road bike. After using this little guy, and double checking with a separate gauge, I was getting closer to 40 psi and 67.5 psi respectively. I'm inclined to believe it's a calibration/QC problem and there might be examples that overinflate, too. So while I got one that was overestimating the actual pressure, you might get one that has the opposite issue. Still, close enough that I'm not docking it a full point for this, but a faction of a point.
The biggest weakness of this device is really a double-edged sword -- its compactness. The fact that it is compact means that it fits very nicely in the under-trunk storage or even a glovebox in some cars. Problem is that when the device is small, so too is the battery. There's just no escaping this. I had a moment with all 4 tires on my car being on the low side in terms of tire pressure. They were all underinflated by about 6-7 psi below spec and so I just used this pump to get them all up to that target pressure. Even with a full charge, I could not get all 4 tires all the way up to target pressures. I could get the 4th tire about halfway there, but that was where the battery died. That's just a reality you will probably have to live with. Given that it is such a small device, this is basically inevitable, so there's no sense complaining about it, but it is a reality you should be aware of.
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Reviewed in the United States on November 6, 2025
★★★★★ 5
An Easy DIY Headlight Restoration Kit with Strong Appeal
Size: 1 Count (Pack of 1)
This restoration kit is appealing because it offers a way to improve cloudy or oxidized headlights without needing power tools. That makes it accessible for people who want to do the job themselves without investing in extra equipment. Cerakote also has a strong reputation in protective coatings, which gives this kit added credibility compared with generic restoration products.
The biggest selling point is the promise of restoring clarity while adding a protective finish to help maintain the results. If the process is easy to follow and the wipes are effective, this can be a worthwhile DIY option for improving both appearance and nighttime visibility. For vehicle owners with faded headlights, this seems like one of the more convenient restoration approaches available.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Perfect
Size: 1 Count (Pack of 1), Size: 1 Count (Pack of 1)
Honestly one of the best headlight restoration kits I’ve used. The instructions were simple, the process was easy to follow, and the results were way better than expected. My headlights were heavily oxidized and yellow, and after using the 2000/3000 grit sanding steps with the ceramic coating, they looked almost brand new again. The ceramic finish made them crystal clear and glossy. Definitely worth the money and much better than cheap polish-only kits.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Very happy with the outcome, worked perfectly
Size: 1 Count (Pack of 1)
I was very happy with the CERAKOTE Ceramic Headlight Restoration Kit. The instructions were simple to follow, and the whole process was much easier than I expected. My headlights were cloudy and dull before using it, but after completing the steps, they looked dramatically clearer and much closer to new.
The kit included everything needed, and I liked that it did not require any extra tools or complicated equipment. The results made a noticeable difference in the appearance of the vehicle, and the headlights also seem brighter at night.
Overall, this is a great product that does exactly what it claims. I would definitely recommend it to anyone looking for an affordable and effective way to restore foggy headlights.
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Reviewed in the United States on May 25, 2026
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