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Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact vs Milwaukee M18 FUEL 3/8" Compact Impact Wrench with

Updated August 2026 — Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact wins on torque and design, Milwaukee M18 FUEL 3/8" Compact Impact Wrench with wins on lighting.

The Astro Pneumatic Tool 1822 ONYX excels in torque and price, while the Milwaukee M18 FUEL offers advanced features and portability.

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

Torque

Astro has 500 ft-lbs vs Milwaukee's 250 ft-lbs

Price

Astro is $111.99 vs Milwaukee's $164.70

Weight

Astro weighs 3.0 lbs vs Milwaukee's weight

Why Milwaukee M18 FUEL 3/8" Compact Impact Wrench with is better

Versatility

Milwaukee has 4-Mode DRIVE CONTROL

Lighting

Milwaukee features tri-LED lighting

Portability

Milwaukee is battery-powered for convenience

Overall score

Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact
85
Milwaukee M18 FUEL 3/8" Compact Impact Wrench with
75

Specifications

SpecAstro Pneumatic Tool 1822 ONYX 1/2" Nano ImpactMilwaukee M18 FUEL 3/8" Compact Impact Wrench with
Max Torque500 ft-lbs250 ft-lbs
Weight3.0 lbs3.5 lbs
Length3.875 in4.8 in
Drive Control3 settings4 settings
LightingNoYes

Dimension comparison

Astro Pneumatic Tool 1822 ONYX 1/2" Nano ImpactMilwaukee M18 FUEL 3/8" Compact Impact Wrench with

Overview of the Astro Pneumatic Tool 1822 ONYX and Milwaukee M18 FUEL

The Astro Pneumatic Tool 1822 ONYX is priced at $111.99, making it significantly cheaper than the Milwaukee M18 FUEL, which retails for $164.70. This price difference of about 32% can be a deciding factor for budget-conscious consumers. Both tools are designed for heavy-duty usage but cater to slightly different needs and preferences in the market.

Design and Build Quality

The Astro Pneumatic Tool 1822 ONYX features an industry-leading short profile, measuring less than 3-7/8 inches in length. This compact design allows for easy maneuverability in tight spaces. In contrast, the Milwaukee M18 FUEL measures 4.8 inches long, still compact but not as much as the Astro. Both tools prioritize lightweight construction, with the Astro weighing just 3.0 lbs, making it easier to handle for prolonged use.

Torque and Performance

When it comes to torque, the Astro Pneumatic Tool boasts a maximum of 500 ft-lbs, significantly outperforming the Milwaukee's 250 ft-lbs of nut-busting torque. This means that for heavy-duty tasks requiring high torque, the Astro would be the superior option. The Astro's innovative twin hammer design and high-performance motor contribute to its impressive torque capabilities, making it ideal for professionals who demand power.

Versatility and Control

The Milwaukee M18 FUEL offers advanced features like a 4-Mode DRIVE CONTROL system, allowing for greater precision with various pre-set RPM and IPM levels. This feature makes it versatile for different applications, such as hand-tight fastening to prevent overtightening. Conversely, the Astro Pneumatic Tool has 3 forward and 3 reverse settings. While it may not have the same level of control as the Milwaukee, its straightforward operation is suitable for users who prefer simplicity.

Lighting and Visibility

The Milwaukee M18 FUEL stands out with its tri-LED lighting system that enhances workspace visibility and reduces shadows. This feature is particularly beneficial for working in dimly lit areas, providing users with a clearer view of their work. The Astro Pneumatic Tool does not mention any built-in lighting features, which could be a drawback for users who often find themselves in poorly lit conditions.

Battery and Power Source

The Milwaukee M18 FUEL is a battery-powered tool, which enhances its portability and convenience. However, it is noted that the product does not come with a charger or battery, requiring additional investment if the user does not already own M18 batteries. On the other hand, the Astro Pneumatic Tool is air-powered, meaning it requires a compressed air source, which may limit its portability but ensures consistent power during use.

Sales Rank and Consumer Reception

In terms of sales rank, the Milwaukee M18 FUEL is currently positioned at 13,255, while the Astro Pneumatic Tool is at 44,761. This indicates that the Milwaukee is more popular among consumers, potentially reflecting its versatile features and brand reputation. However, the Astro's lower price point may appeal to a different segment of the market, particularly those looking for budget-friendly options.

Which should you buy?

Choosing between the Astro Pneumatic Tool 1822 ONYX and the Milwaukee M18 FUEL largely depends on your specific needs. If you require maximum torque and prefer a tool that is compact and lightweight, the Astro Pneumatic Tool is the clear winner at $111.99. On the other hand, if you value versatility, precision control, and enhanced visibility, the Milwaukee M18 FUEL, despite its higher price of $164.70, may be worth the investment. Ultimately, both tools offer unique advantages that cater to different user preferences, making your choice a matter of priorities.

Astro Pneumatic Tool 1822 ONYX 1/2" Nano Impact Wrench v2-500ft/lb vs Milwaukee M18 FUEL 3/8" Compact Impact Wrench with Friction Ring - No Charger, No Battery, Bare Tool Only | versusfinder