Alpha AIR-300 Mini Pneumatic Polisher

The Alpha AIR-300 Pneumatic Polisher is ergonomically designed for comfort and only weighs 1.6 pounds reducing operator fatigue and accepts 3" and 4" discs.

Availability: Sold in Store - Ships from Store or Factory (More Info)

Shipping: Free to Continental US (More Info)


Introducing the Alpha AIR-300 Pneumatic Polisher, 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.

The Alpha AIR-300 Polisher accepts 3" and 4" discs along with 2", 3", and 4" rubber pads. It requires a 3HP compressor with air consumption of 10 CFM and air pressure between 85 and 95 PSI.

  • Air Consumption: 10CFM (280 L/min)
  • Air Pressure: 87 PSI (0.6Mpa {6 bar})
  • Max. Speed (no load): 5,800 RPM
  • Weight: 1.60 lbs/.731 kg
  • Spindle: 5/8"-11
  • Air Inlet: 1/4" BSPT
  • Water Inlet: 1/4" BSPP

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In the Box
  • Air-300 Pneumatic Polisher
  • Air Lead Hose - 10' (3m)
  • Water Hose - 10' (3m)
  • Lubrication Oil (1oz / 30cc sample bottle)
  • Faucet/Garden Hose Adapter
  • Wrench (17mm)
ManufacturerAlpha Tools
Warranty30 Days Parts/Labor
Manufacturer Part NumberAIR-300
No Load Speed (rpm)5,800
Pad Size3" / 4"
Wet or DryWet Only
Net Weight (lbs.)1.60
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You're reviewing: Alpha AIR-300 Mini Pneumatic Polisher
Question:What size air nipples are recommended for use on the AIR-300?

Answer: The thread on the endcase for the air on the AIR-300 is metric or 1/4” BSPP; this is a parallel pipe thread that seals on the flat seat of the fitting.

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