Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact vs ZEXAPE Cordless Impact Wrench 1/
Updated August 2026 — Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact wins on weight, ZEXAPE Cordless Impact Wrench 1/ wins on battery life and features.
The Cordless Impact Wrench offers higher torque and advanced features, making it the better choice for most users.
Why Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact is better
Compact Size
Astro Pneumatic Tool is more maneuverable in tight spaces.
Lightweight
Astro Pneumatic Tool weighs only 3.0 lbs.
Price
Astro Pneumatic Tool is more expensive.
Why ZEXAPE Cordless Impact Wrench 1/ is better
Higher Torque
Cordless Impact Wrench delivers 950 ft-lbs.
Brushless Motor
Cordless Impact Wrench has a more efficient motor.
Speed Control
Cordless Impact Wrench offers three-speed settings.
Overall score
Specifications
| Spec | Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact | ZEXAPE Cordless Impact Wrench 1/ |
|---|---|---|
| Max Torque | 500 ft-lbs | 950 ft-lbs |
| Motor Type | Standard | Brushless |
| Speed Settings | 3 | 3 |
| LED Light | No | Yes |
| Included Kit | No | Yes |
Dimension comparison
Overview of the Products
The Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact Wrench is priced at $111.99, while the Cordless Impact Wrench for Milwaukee Battery costs $59.99, making it about 47% cheaper than the Astro model. While both products cater to impact wrench needs, they differ significantly in design and functionality, which could influence your purchasing decision.
Torque and Power Capabilities
The Astro Pneumatic Tool 1822 ONYX boasts a maximum torque of 500 ft-lbs, while the Cordless Impact Wrench delivers an impressive 950 ft-lbs of torque. This means that the Cordless Impact Wrench can handle tougher jobs, such as loosening rusted lug nuts with ease, making it suitable for heavy-duty tasks. In contrast, the Astro model, with its lower torque, is ideal for lighter applications but still offers a competitive performance for its size.
Design and Weight
The Astro Pneumatic Tool 1822 ONYX is designed with an extreme short profile, measuring less than 3-7/8 inches in length. This compact size makes it more maneuverable in tight spaces. Weighing only 3.0 lbs, it is lightweight, enhancing user comfort during extended use. On the other hand, the Cordless Impact Wrench, while not specified for weight, is designed for Milwaukee batteries and offers a conventional design that may be bulkier than the Nano Impact Wrench. If portability and compactness are significant to you, the Astro model stands out.
Motor Efficiency and Technology
The Cordless Impact Wrench features a brushless motor, which is known for its efficiency and longer runtime compared to traditional motors. This advanced technology allows it to deliver consistent power and reduced heat buildup, prolonging the tool's lifespan. In contrast, the Astro Pneumatic Tool's motor is not specified as brushless, which may affect its efficiency and longevity. For users seeking a tool with cutting-edge technology, the Cordless Impact Wrench is the clear winner.
Speed and Control
The Cordless Impact Wrench offers three-speed settings, allowing for precise control over various applications. With speeds of up to 2100 RPM, it can adapt to both delicate tasks and heavy-duty work. The Astro Pneumatic Tool has three forward and reverse settings, but it does not specify RPM, potentially limiting its adaptability. If versatility in speed and control is essential for your projects, the Cordless Impact Wrench provides a superior experience.
Additional Features
The Cordless Impact Wrench is equipped with an LED work light, which enhances visibility in dim workspaces, making it suitable for various conditions. It also comes with a complete kit that includes essential sockets and a tool bag, adding value to the purchase. The Astro Pneumatic Tool lacks these additional features, focusing instead on its compact design and performance. If you value extra tools and convenience, the Cordless model offers more.
Price Comparison and Value
The Astro Pneumatic Tool 1822 ONYX is priced at $111.99, while the Cordless Impact Wrench is available for $59.99. This makes the Cordless model about 47% cheaper, providing a more budget-friendly option without sacrificing much in terms of power and features. When considering value for money, the Cordless Impact Wrench offers a compelling case, especially for those on a budget or looking for a versatile tool.
Which should you buy?
Choosing between the Astro Pneumatic Tool 1822 ONYX Nano Impact Wrench and the Cordless Impact Wrench for Milwaukee Battery depends on your specific needs. If you prioritize a compact design, lighter weight, and a powerful torque of 500 ft-lbs, the Astro model is a solid choice. However, if you require higher torque capabilities (950 ft-lbs), advanced motor efficiency, and additional features like speed control and a work light, the Cordless Impact Wrench is the better option. Ultimately, consider your typical tasks and budget to make the best decision.

