Alpha Tools Alpha Mini Air Wet Polisher - AIR-300
Alpha AIR-300 Mini Air Stone Polisher
They are designed to be used in tight corners and for bowl polishing. Works with 3HP compressor. Only weighs 1.6 lbs. (AIR-658 weighs 2.54 lbs)
Features
- Introducing the Alpha AIR-300, designed for unique applications that are difficult to accomplish using conventional polishers
- A smaller version of the well-known Alpha AIR-658, the AIR-300 is ergonomically designed to fit comfortably in your hand and only weighs 1.6 pounds, reducing fatigue from long hours of polishing
- The smaller design is easy to maneuver and produces flawless sink rims and bowls
- Requires a 3HP compressor with air consumption of 10 CFM and air pressure between 85–95 PSI
- It easily converts from in-shop to on-site; it is a must-have for all fabricators!
- Shop workers easily use this tool with little or no fatigue
- It has a centrally fed water distribution system that provides the best finishes possible
- Includes the side handle, a splash guard, pneumatic lubrication oil, and the hoses for air, water, and exhaust, along with the appropriate fittings
- Recommended for wet sanding and polishing only. For wet core drilling, profiling, and grinding applications, we recommend AIR-658, which offers more torque
- Air Inlet 1/4” Npt
- Air lead hose - 10 feet (3m)
- Water Inlet G 1/4 (PS 1/4)
- Accept" s 3" a" d 4" discs along wi "h 2" a" d 3" rubber pads
- Exhaust Muffler
- Side handle (reversible)
- Hose adapter with Water valve with hose Wrenches / Splash Guard
- Requirements for this tool are a cast iron 2-stage compressor with a tank, 3 hp for each tool
- Alpha® AIR-300 is perfect for concrete counter-top fabrication
Specifications
| Air Pressure |
85-95 PSI |
| Air Consumption |
10 CFM |
| RPM |
5,800 RPM |
| Arbor " |
5/8"-11 threaded spindle" |
| Weig "t |
1.6 lbs (3.3 kg.) |
What Our Experts Think
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Compact & Lightweight – Perfect for detailed polishing work without fatigue.
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Wet Polishing – Water-feed system minimizes dust and ensures a smooth, glossy finish.
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Precision Control – Offers excellent maneuverability for intricate polishing tasks.
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Durable Construction – Built for long-lasting performance in professional environments.
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Ideal for Stone and Tile – Perfect for polishing granite, marble, and engineered stone.
Q&A
Q: What is the Alpha Mini Air Wet Polisher used for?
A: It is designed for polishing and finishing stone surfaces such as granite, marble, quartz, and engineered stone, especially in tight or hard-to-reach areas.
Q: What is the size of the pad that it uses?
A: The AIR-300 uses 3” to 4” polishing pads for precise and detailed polishing.
Q: Does it require water for operation?
A: Yes, it is a wet polisher, featuring a water feed system to keep the surface cool and reduce dust during use.
Q: Is it lightweight and easy to handle?
A: Yes, the AIR-300 is compact and lightweight, making it ideal for precision polishing and extended use without fatigue.
Q: Is it suitable for professional use?
A: Yes, it is perfect for stone fabricators, countertop installers, and professionals who require detailed polishing on smaller surfaces.
Q: What power source does it use?
A: It operates using compressed air, making it a great option for professionals working in environments where electricity may not be available.
Maintenance Tips
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Use Clean, Dry Air – Ensure a moisture-free air supply to prevent internal damage and maintain performance.
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Lubricate Regularly – Apply pneumatic tool oil before and after use to keep the polisher running smoothly.
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Inspect Polishing Pads – Replace worn or damaged pads to ensure quality polishing.
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Check for Leaks – Inspect air hoses and connections for leaks to prevent loss of pressure.
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Clean After Use – Remove dust and debris from the tool after each use to prevent buildup.
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Store Properly – Keep the polisher in a dry, clean area to avoid rust and ensure long-lasting use.
