The Astro Pneumatic ONYX AST-322 is a high-powered 6" finishing palm sander designed for professional-grade surface finishing in automotive and woodworking applications. Engineered with a 5mm (3/16") orbital stroke, it delivers a smooth, swirl-free final finish with every pass. Weighing just 1.5 lbs., the ultra-lightweight composite construction minimizes operator fatigue during extended use. Sealed bearings and a composite lever housing ensure long-term reliability and consistent performance in demanding shop environments.
Features
High-powered motor for efficient, consistent sanding performance
5mm (3/16") stroke finish for precision surface work
Super lightweight at 1.5 lbs. to reduce operator fatigue
Sealed bearings for extended tool life
Compact design for comfortable, low-fatigue operation
Orbital action assures a final swirl-free finish
Built-in speed regulator for precise control
Composite lever housing and rotors for durability and lightweight performance
Special design reduces sound level during operation
Low vibration for improved comfort and control
Specifications
Pad Size: 6"
Stroke: 5mm (3/16")
Free Speed: 10,000 RPM
Air Pressure: 90 PSI
Average Air Consumption: 5.5 CFM
Air Inlet Thread (NPT): 1/4"
Air Hose I.D. Size: 3/8" (10mm)
Spindle Thread Size: 5/16" x 24
Overall Length: 6" (15.24 cm)
Net Weight: 1.5 lbs. (0.68 kg)
Power Source: Air Powered
Style: Palm
Includes
1x ONYX 6" PU Hook & Loop Backing Pad (Astro #4606)
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