Astro Pneumatic ONYX 1/2" Nano Impact Wrench - Astro Pneumatic

The Astro Pneumatic ONYX 1/2" Nano Impact Wrench (Model 1822-ARCH) delivers robust impact power in an exceptionally compact design, engineered for daily professional use. This precision tool provides technicians with essential clearance in tight engine bays, around suspension components, and during under-dash work, all without compromising on torque output. As a reliable component of the professional ONYX air tools platform, the astro 1822 is a solid choice for demanding automotive and industrial applications.

Key Features

• Compact Design: With an overall length under 3.85 inches (97.75 mm), this nano impact wrench provides critical access to fasteners in crowded engine compartments and confined chassis areas where standard 1/2" impacts cannot fit.
• Powerful Torque Output: The twin-hammer mechanism delivers up to 500 ft-lbs of max torque (350 ft-lbs working), suitable for challenging tasks such as removing stubborn lug nuts, crank pulley bolts, and subframe fasteners.
• Reduced Fatigue Design: Weighing only 3.0 lbs, its balanced construction minimizes technician fatigue during repetitive tasks like wheel, brake, and line service.
• Precision Speed Control: A 6-position speed control offers three forward and three reverse settings, enabling precise torque application to protect threads and delicate aluminum wheels during both assembly and removal.
• Professional-Grade Durability: As part of the professional ONYX air tools family, the Astro 1822-ARCH features robust internal components and housing, engineered for continuous operation in demanding shop environments.

Applications

This nano impact wrench is ideal for a wide range of tasks on passenger cars, light trucks, and various commercial vehicles. It excels in wheel and tire service, brake and suspension work, engine tear-downs, and undercar repairs where clearance is limited. The compact size and controlled torque output also make this tool well-suited for industrial maintenance, equipment assembly, and any task involving closely spaced fasteners or restricted access panels.

Specifications

• Drive Size: 1/2"
• Max Torque: 500 ft-lbs
• Working Torque: 350 ft-lbs
• Speed Settings: 3 forward / 3 reverse
• Overall Length: < 3.85" (97.75 mm)
• Weight: 3.0 lbs