ONYX 3/8" IMP RATCHET WRENCH - Astro Pneumatic

The Astro Pneumatic ONYX 3/8" Impact Ratchet Wrench (Model 1143) is engineered for professional technicians who demand powerful and precise fastening solutions in confined work environments. This robust tool merges the agility of an air ratchet with the significant power of an impact mechanism, making it highly effective for stubborn fasteners across automotive and industrial applications.

Key Features

• Reactionless Impact Mechanism: Designed to absorb torque pulse, this mechanism significantly minimizes wrist twist and operator fatigue, enhancing control, especially on rusted or over-torqued hardware.
• Durable Cr-Mo Construction: Built with a precision-forged ratchet yoke from heat-treated chrome-moly steel, ensuring superior resistance to spreading and wear for continuous professional shop use.
• Variable Speed Tease Throttle: Provides smooth trigger modulation for precise control, allowing technicians to ease into delicate assembly work or apply full power for efficient breakaway tasks.
• Compact and Balanced Design: At an 11" overall length and 3 lbs weight, this ratchet wrench offers excellent reach and balance, improving maneuverability around engines, frames, and various equipment housings.
• Versatile 3/8" Drive: Compatible with standard 3/8" drive impact and hand sockets, offering broad utility for general automotive, light truck, and industrial service tasks.

Applications

This impact ratchet wrench is ideal for professional use in automotive repair shops, fleet maintenance facilities, and industrial MRO (Maintenance, Repair, and Operations) environments. Common applications include the installation and removal of engine accessories, intake and exhaust components, undercarriage and suspension fasteners, as well as dash and interior hardware. It is particularly effective for equipment assembly where a standard impact wrench may be too large, but more power than a traditional air ratchet is required.

Specifications

• Model: 1143
• Drive Size: 3/8"
• Max Torque: 70 ft-lbs
• Free Speed: 200 RPM
• Weight: 3 lbs
• Overall Length: 11"
• Air Inlet: 1/4" NPT
• Recommended Hose: 3/8" ID
• Average Air Consumption: 3.25 CFM @ 90 PSI