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Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact vs Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact

Updated August 2026 — Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact wins on weight, Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact wins on brand trust and torque.

The Milwaukee 2864-20 offers superior torque and advanced technology, making it the better choice for heavy-duty applications, while the Astro Pneumatic Tool is more affordable and lightweight.

Why Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact is better

Price

Astro Pneumatic Tool is $111.99 compared to Milwaukee's $319.99

Weight

Astro Pneumatic Tool weighs only 3.0 lbs

Compact Size

Astro Pneumatic Tool is less than 3-7/8 inches long

Why Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact is better

Torque

Milwaukee delivers up to 1200 ft-lbs of fastening torque

Motor Technology

Milwaukee features a Powerstate brushless motor

Sales Rank

Milwaukee has a better sales rank of 15,815

Overall score

Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact
65
Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact
85

Specifications

SpecAstro Pneumatic Tool 1822 ONYX 1/2" Nano ImpactMilwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact
BrandAP Astro Pneumatic Tool CompanyMilwaukee
Price$111.99$319.99
Motor TypeHigh PerformancePowerstate Brushless
Forward Settings3N/A
Reverse Settings3N/A
TechnologyN/AOne-Key

Dimension comparison

Astro Pneumatic Tool 1822 ONYX 1/2" Nano ImpactMilwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact

Overview of the Products

In this comparison, we will take a closer look at the Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact Wrench and the Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact. The Astro Pneumatic Tool is priced at $111.99, making it significantly more affordable than the Milwaukee, which retails for $319.99. This price difference of about 65% raises questions about the value each tool offers for their respective price points.

Design and Build Quality

The Astro Pneumatic Tool 1822 ONYX boasts a compact design, measuring less than 3-7/8 inches in length and weighing only 3.0 lbs. This makes it particularly suitable for tight spaces and extended use without fatigue. In contrast, the Milwaukee 2864-20 has a length of 8.59 inches and weighs around 8 pounds, positioning it as a more robust option. The heft of the Milwaukee may suggest durability, but it limits maneuverability compared to the lightweight design of the Astro Pneumatic Tool.

Torque and Performance

When it comes to torque, the Milwaukee 2864-20 outperforms the Astro Pneumatic Tool significantly. The Milwaukee delivers up to 1200 ft-lbs of fastening torque and 1500 ft-lbs of nut-busting torque, which is more than double the 500 ft-lbs of max torque offered by the Astro Pneumatic Tool. This high torque output makes the Milwaukee better suited for more demanding tasks, especially in heavy-duty applications where maximum power is essential.

Motor Technology

The Astro Pneumatic Tool features a high-performance motor designed for effective delivery of its torque, while the Milwaukee is equipped with a Powerstate brushless motor, which provides enhanced durability and performance. The Milwaukee’s motor also incorporates RedLink Plus intelligence, preventing damage due to overloading or overheating. This advanced technology gives the Milwaukee a significant edge in terms of reliability and longevity.

Versatility and Usability

The Astro Pneumatic Tool provides three forward and three reverse settings, allowing for some versatility in different applications. However, the Milwaukee’s One-Key technology supports customization and tracking, making it an excellent option for professionals who want to manage tool performance and location effectively. While both tools are user-friendly, the Milwaukee's added features cater to a more tech-savvy user base.

Weight and Portability

At only 3.0 lbs, the Astro Pneumatic Tool is extremely portable and easy to handle, making it ideal for users who require a lightweight option for extended use or for working in confined spaces. On the other hand, the Milwaukee's weight of 8 pounds could be a drawback for those looking for portability. The significant weight difference may make the Astro a more attractive choice for tasks that require maneuverability.

Sales Rank and Market Presence

The Astro Pneumatic Tool has a sales rank of 44,761, while the Milwaukee holds a much better sales rank of 15,815. This suggests that the Milwaukee is more popular among consumers, which could indicate greater reliability or satisfaction in its performance. Despite the Astro's lower sales rank, it remains a solid option for those looking for an affordable impact wrench.

Which should you buy?

Choosing between the Astro Pneumatic Tool 1822 ONYX and the Milwaukee 2864-20 depends largely on your specific needs and budget. If you require a lightweight, cost-effective tool for less demanding tasks, the Astro Pneumatic Tool at $111.99 is a great choice. However, if you need a high-performance impact wrench capable of handling heavy-duty applications, the Milwaukee, despite its higher price of $319.99, offers superior torque, advanced technology, and a better sales rank. Ultimately, your decision should be guided by the balance between your performance requirements and budget constraints.