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

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

Key Features

• Ultra-Compact Design: With an overall length under 3.85 inches (97.75 mm), this nano impact wrench offers critical access to fasteners in crowded engine compartments and confined chassis areas where standard 1/2" impacts cannot fit.
• High Torque Performance: Equipped with a twin-hammer mechanism, it delivers up to 500 ft-lbs of maximum torque (350 ft-lbs working), effectively handling challenging tasks such as removing stubborn lug nuts, crank pulley bolts, and subframe fasteners.
• Minimized User Fatigue: Weighing only 3.0 lbs, its balanced construction contributes to reduced technician fatigue during repetitive tasks like wheel, brake, and line service.
• Precision Torque 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 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 ideally suited for a wide range of tasks on passenger cars, light trucks, and various commercial vehicles. It excels in demanding applications such as 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