The Alpha AIR-850 Pneumatic Polisher is a high-performance, center water-feed polisher designed for professional stone fabrication and edge finishing. Built to deliver consistent power, smooth control, and effective cooling, it supports precise polishing across hard surfaces while improving operator comfort and efficiency.
Featuring a newly developed motor and updated ergonomics, the AIR-850 combines higher output, improved durability, and better water and air control to support demanding shop and jobsite environments.
Key Features
- High-Performance Pneumatic Polisher: Designed for professional stone fabrication and edge polishing applications.
- Center Water-Feed System: Delivers consistent water flow regardless of tool position for effective cooling and dust control.
- 5,500 RPM No-Load Speed: Provides higher polishing speed for efficient material finishing.
- Newly Developed Motor: Hybrid composite vane design delivers increased power and extended service life.
- Lightweight and Ergonomic Design: Supports better maneuverability and reduced operator fatigue.
- Improved Splash Guard: Helps block water spray while maintaining clear visibility of the work surface.
- Silicone Gear Head Cover: Provides cushioning, improves grip, and helps keep hands warm during use.
- Enhanced Spindle Shaft: Allows easier tool removal with included full-size wrenches.
- All-Weather Hoses Included: 15 ft air and water hoses rated from -40°F to 140°F.
Specifications
| Specification | Details |
|---|---|
| Model | AIR-850 |
| Air Pressure | 85 PSI (6 Bar) |
| Air Consumption | 15 CFM (425 L/min) |
| No-Load Speed | 5,500 RPM |
| Weight | 2.75 lbs (1.2 kg) |
| Air Inlet | 1/4" BSPP |
| Water Inlet | 1/8" BSPP |
| Spindle | 5/8"-11 |
What’s Included
| Item | Quantity |
|---|---|
| Air Hose (15 ft / 4.5 m) | 1 |
| Water Hose (15 ft / 4.5 m) | 1 |
| Reversible Side Handle | 1 |
| Rust Inhibitor Oil (6.7 oz) | 1 |
| Water Quick Coupler with Shut-Off Valve | 1 |
| Splash Guard | 1 |
| Double-End Wrench (19 mm / 22 mm) | 1 |
The Alpha AIR-850 Pneumatic Polisher is a strong choice for fabricators who need reliable power, controlled water delivery, and ergonomic handling for consistent polishing results in professional stone applications.
