Astro Pneumatic 332 Denibbing Air Sander

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  • Description
    • Small 1.25" (30mm) pad size for isolated spot focus sanding and denibbing clear coat instead of redoing entire areas
    • Ultra compact right angle design for comfortably reaching tighter and more compact areas and contours
    • Adjustable speed up to 8,000rpm with full head height of 3" with pad

    What Paper Should I Use?

    There are a few options:

    • The current paper you are using on most common hand de-nibbing blocks, which is usually hook & loop
    • Cut out 1.25-1.5" discs from "fuzzy back" paper rolls or even 5" & 6" discs, or quickly punch out discs with a 1.25" punch (e.g. EK Tools 54-31000 ~$10)
    • For PSA type paper, use Astro #20305 (20305P 5pk) or most any common foam type interface pad that is hook & loop on one side and PSA on the other. This allows for use of sticky discs & rossette rolls and provides a contouring buffer for a smoother transition between edges.


    • Motor HP: 1/3
    • Air Exhaust: Rear
    • Sound Level (dB): 89
    • Air Inlet: 1/4"
    • Air Hose: 3/8"
    • Air Pressure: 90psi
    • Max Speed: 8,000RPM
    • Air Consumption: 2.7CFM
    • Pad Size: 1.25" (30mm)
    • Overall Length: 6.3" (160mm)
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