The Rupes RH359A Skorpio III is the most aggressive sander in the Skorpio III range. With a wide 9mm orbit — the largest available in this lineup — the RH359A removes material up to 50% faster than the 3mm model, making it the right tool when speed is critical. Large panel areas, heavy body filler work, aggressive primer flatting, and rapid multi-grit progression: the RH359A powers through it all faster than any other Skorpio III.
The 9mm orbit is optimised for the early stages of a sanding sequence, working through P120–P320 quickly and efficiently before stepping down to finer grits or finishing with the RH356A or RH353A. Used correctly as part of a complete Skorpio III system, the 9mm dramatically reduces total sanding time on large jobs. When time on the job costs money, this is your tool.
Key Features
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9mm orbit — removes material up to 50% faster than the 3mm orbit model
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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 — controlled start/stop with no backing plate rotation
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Anti-slip rubber body coating — positive grip during aggressive material removal
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Ergonomic wrist-support throttle — reduces fatigue during large panel work
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Variable speed — 0–11,000 RPM
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Precision-balanced internals — low vibration despite the larger orbit
Technical Specifications
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Model: RH359A (Central Vacuum)
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Orbit: 9mm — fastest material removal in the Skorpio III range, ideal for P120–P320
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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 RH359A Skorpio III Sander
- 150mm Velcro Backing Plate
- User Manual & Safety Instructions
Complete the Skorpio III range: RH353A (3mm) for ultra-fine finishing, RH356A (6mm) for versatile all-round sanding.
