The Rupes RH353A Skorpio III is engineered for ultra-fine finishing work. With a precision 3mm orbit — the tightest in the Skorpio III range — the RH353A produces a fine, controlled scratch pattern that makes it the definitive choice for final clear coat flatting, P320+ abrasive work, and surface preparation for machine polishing. When finish quality is the priority and no heavy sanding scratches can be introduced, this is the tool to reach for.
The 3mm orbit excels in the later stages of any sanding sequence. Its tight path removes surface imperfections and refines a panel to a point-perfect base for compound and polish, without the coarser scratch marks that wider-orbit sanders leave behind. Preferred by professional detailers and refinishers working through final grits before polishing.
Key Features
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Central vacuum port (A model) — direct connection to workshop dust extraction
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Heavy-duty motor — consistent torque even at low or fluctuating air supply
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Double row ball bearings — extended service life and ultra-smooth operation
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Anti-spin system — prevents backing plate rotation at start/stop
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Anti-slip rubber body coating — confident grip during extended use
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Ergonomic wrist-support throttle — eliminates pinch points, reduces operator fatigue
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Variable speed — 0–11,000 RPM via progressive throttle
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Precision-balanced internals — extremely low vibration for all-day comfort
Technical Specifications
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Model: RH353A (Central Vacuum)
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Orbit: 3mm — finest scratch pattern, ideal for P320 and higher
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Working Pressure: 6.2 bar / 90 PSI
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Max Air Consumption: 340 L/min
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Speed Range: 0–11,000 RPM
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Backing Plate: M8 Female / Velcro (150mm pad)
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Air Inlet Thread: 1/4" GAS
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Machine Weight: 0.8 kg
In The Box
- Rupes RH353A Skorpio III Sander
- 150mm Velcro Backing Plate
- User Manual & Safety Instructions
Complete the Skorpio III range: RH356A (6mm) for versatile all-round sanding, RH359A (9mm) for maximum speed on large panels.