Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact vs DEWALT Impact Wrench 1/2, 20V MAX XR Brushless
Updated August 2026 — Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact wins on weight, DEWALT Impact Wrench 1/2, 20V MAX XR Brushless wins on control and battery.
The DEWALT Impact Wrench offers more power and features, making it the better choice for demanding tasks, while the Astro Pneumatic is a great budget option for lighter jobs.
Why Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact is better
Price
Astro Pneumatic is $111.99 compared to DEWALT's $279.00
Weight
Astro Pneumatic weighs only 3.0 lbs
Compact Size
Astro Pneumatic is less than 3-7/8" long
Why DEWALT Impact Wrench 1/2, 20V MAX XR Brushless is better
Torque
DEWALT has 600 ft-lbs max torque
Battery
DEWALT is cordless with a 4 Ah battery
Speed Control
DEWALT offers 4 speed settings
Overall score
Specifications
| Spec | Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact | DEWALT Impact Wrench 1/2, 20V MAX XR Brushless |
|---|---|---|
| Max Torque | 500 ft-lbs | 600 ft-lbs |
| Breakaway Torque | N/A | 800 ft-lbs |
| Speed Settings | 3 | 4 |
| Weight | 3.0 lbs | less than 4 lbs |
| Power Source | Air | Cordless |
Dimension comparison
Price Comparison
The Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact Wrench is significantly more affordable than the DEWALT Impact Wrench. Priced at $111.99, the Astro Pneumatic option is about 60% cheaper than the DEWALT, which retails for $279.00. This price difference can be a decisive factor for DIYers or professionals looking to save on tool costs. Despite its lower price, the Astro Pneumatic still offers a robust set of features that make it competitive in the impact wrench market.
Torque and Power
When it comes to torque, the DEWALT Impact Wrench outshines the Astro Pneumatic tool with a maximum fastening torque of 600 ft-lbs and a breakaway torque of 800 ft-lbs. In contrast, the Astro Pneumatic provides a maximum torque of 500 ft-lbs. This difference means the DEWALT is better suited for tougher jobs that require more power, making it ideal for automotive and construction applications. However, the Astro Pneumatic's torque is still impressive given its compact size, making it suitable for lighter tasks.
Size and Weight
The Astro Pneumatic is designed to be extremely lightweight and compact, weighing only 3.0 lbs and measuring less than 3-7/8" in length. This makes it perfect for tight spaces where larger tools may struggle. The DEWALT, while still relatively compact, weighs less than 4 lbs and is slightly larger. Users who often work in confined areas may find the Astro Pneumatic more convenient, while those who need a balance of power and compactness may prefer the DEWALT.
Speed and Control
Control over speed is a notable feature of the DEWALT Impact Wrench, which offers four speed settings along with a variable speed trigger. This allows for precise control based on the application, minimizing the risk of overtightening. In comparison, the Astro Pneumatic has three forward and three reverse settings, providing versatility but less fine-tuned control than the DEWALT. Users who prioritize precision in their work may favor the DEWALT for its advanced speed options.
Design and Usability
Both tools are designed for ease of use, but they cater to different preferences. The Astro Pneumatic features an innovative twin hammer design for increased reliability and a short profile that enhances maneuverability. Meanwhile, the DEWALT offers a comfortable grip and integrated LED work light, making it suitable for use in dark conditions. This added functionality can be crucial for professionals who often work in dimly lit environments, giving the DEWALT an edge in usability.
Battery and Power Source
The DEWALT Impact Wrench is a cordless model that includes a 4 Ah lithium-ion battery and charger, making it a convenient choice for users who need mobility without being tethered to an air compressor. On the other hand, the Astro Pneumatic requires an air line for operation, which may limit its portability. For those who need a tool that can easily be used on the go, the DEWALT is the superior option, while the Astro Pneumatic might appeal to users who already have a compressed air setup.
Sales Rank and Popularity
In terms of market performance, the Astro Pneumatic holds a sales rank of 44,761, while the DEWALT has a rank of 54,576. This indicates that the Astro Pneumatic is currently more popular among consumers, which might reflect its balance of price and performance. However, the DEWALT's slightly lower sales rank does not necessarily denote inferior quality; it may simply reflect its higher price point and different target audience.
Which should you buy?
Choosing between the Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact Wrench and the DEWALT Impact Wrench largely depends on your specific needs and budget. If you’re looking for a lightweight, compact tool for lighter tasks at a fraction of the price, the Astro Pneumatic is an excellent choice. Conversely, if you require higher torque, better control, and the convenience of a cordless model, the DEWALT is worth the investment for its additional power and features. Ultimately, both tools have their strengths, making them suitable for different types of users.

