Alpha AIR-850 Central Water-Feed Pneumatic Polisher 5500 RPM
  • High-Performance, Pneumatic Polisher
  • Central Water-Feed System Delivers Ample Water Regardless of Position
  • No-Load RPM 5,500
  • Lightweight and Ergonomically Designed for Better Maneuverability
  • New Splash Guard Allows For Better Visibility Without Being Splashed
  • Silicon Gear Head Cover Provides Cushion and Keeps Hands Warm
  • Enhanced Spindle Shaft for Easy Tool Removal

410.00 410.0 USD 410.00


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Alpha AIR-850

The Alpha® Air polisher has long set the industry standard with its pioneering center water feed design, transforming how stone fabricators polish the edges of hard surfaces. Over the years, competitors have tried to mimic the design, a testament to the high standards Alpha® sets.

We’re excited to introduce the latest in our lineup: the AIR-830 and AIR-850 Pneumatic Polishers. These new models are designed to make the polishing operation easier than ever, with two different maximum RPM options to cater to all fabricators looking to achieve the best possible polish and enhance their productivity and efficiency.

Key Features and Enhancements:

  • Enhanced Motor: Equipped with a newly developed motor featuring a 5 Hybrid composite vane design, delivering more power and extended durability.
  • Improved Visibility and Safety: Includes a new splash guard that blocks splashes while improving visibility, alongside a redesigned end case that enhances water and air control operations and minimizes breakage risk.
  • Added Comfort and Convenience: Features a silicon boot for the gear head and a water quick coupler with a shut-off valve for ease of use.
  • Robust Design: Comes with an enhanced spindle shaft and full-size wrenches for easy tool removal, ensuring robust operation and maintenance.
  • Durable Hoses: Includes all-weather air and water hoses that are 15 feet long and rated for extreme temperatures from -40°F to +140°F.
  • Speed Variations: The AIR-830 offers a maximum no-load RPM of 4,000, while the AIR-850 goes up to 5,500, allowing for flexibility based on user needs.


Air Pressure 85 PSI (6B Bar)
Air Consumption 15 CFM (425L / Min)
Air Inlet 1/4" BSPP
Water Inlet 1/8" BSPP
Thread 5/8-11"
RPM 5500
Color Blue
Package Dimensions 13.5" x 11.5" x 3.5"
Country of Origin Japan