USA Granite Tools - Alpha Tools - Alpha AIR‑830/AIR‑850 Pneumatic Polishers (AIR‑850M) — Pneumatic Polisher (Machine Only)
Professional‑Grade Machine‑Only Air Polisher for Wet Polishing
The Alpha Tools AIR‑850M is a high‑performance pneumatic (air‑powered) polisher designed for professional wet polishing, drilling, and profiling of stone, concrete, and engineered surfaces. This listing is for the machine only — ideal for fabricators and pros who already own their hoses, handles, and accessories.
Key Features
Machine Only — Minimalist Kit
-
Includes only the AIR‑850M polisher — no hoses, handles, splash guard, or accessory kit
-
Perfect for professionals who want to use their existing water/air accessory setups
Powerful Performance
-
Maximum no‑load speed: ~5,500 RPM — faster polishing for higher productivity
-
Air pressure requirement: ~85 PSI (~6 Bar)
-
Air consumption: ~15 CFM (425 L/min)
Ergonomic Professional Design
-
Lightweight: ~2.75 lbs (≈1.2 kg) — easy to maneuver during long polishing tasks
-
Compact body ideal for detailed edge polishing and surface finishing
-
Compatible with central water‑feed systems for dust control and smooth wet polishing (requires your own water hose and coupler)
Specifications
| Feature | Detail |
|---|---|
| Model / SKU | AIR‑850M |
| Tool Type | Pneumatic (air‑powered) polisher |
| Max RPM | ~5,500 RPM |
| Air Pressure | ~85 PSI (~6 Bar) |
| Air Consumption | ~15 CFM (425 L/min) |
| Weight | ~2.75 lbs (≈1.2 kg) |
| Air Inlet | 1/4″ BSPP |
| Water Inlet | 1/8″ BSPP |
| Spindle Thread Options | 5/8″‑11 or M14‑2 (varies by variant) |
| Included | Polisher only (machine only version) |
| Recommended Applications | Wet polishing, drilling, surface finishing |
Best For
-
Wet polishing granite, quartz, marble, engineered stone, concrete
-
Fabricators and installers with existing air/water accessory systems
-
Professional use in shops or on job sites
Why Choose AIR‑850M (Machine Only)?
-
Professional‑grade performance without unnecessary accessories
-
High RPM for faster, smoother polishing results
-
Lightweight and ergonomic design reduces fatigue
-
Flexibility for pros to pair with their own custom hoses and tooling