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Alpha AIR-850/854 Pneumatic Polisher

Wet Polishing, Drilling & Profiling for Stone Surfaces

Original price $344.40 - Original price $383.25
Original price
$383.25
$344.40 - $383.25
Current price $383.25
Alpha  |  MPN: AIR-850  |  UPC: 749173430091
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Availability:
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Model: AIR-850

AIR-850 Pneumatic Polisher Specifications

  • Maximum RPM: 5,500
  • Spindle Thread: 5/8"-11
  • Air Pressure: 85 PSI (6 Bar)
  • Air Consumption: 15 CFM (425 L/min)
  • Weight: 2.75 lbs (1.2 kg)
  • Water Feed System: Center water-feed through spindle

The Alpha AIR-850/854 Pneumatic Polisher is a wet air polisher designed for polishing, drilling, and profiling granite, marble, quartz, engineered stone, and other hard surface materials. Its center water-feed system delivers water through the spindle while a 5,500 RPM pneumatic motor supports high-speed surface finishing applications.

Key Features
  • Center Water-Feed System: Delivers water through the spindle to the work surface.
  • 5,500 RPM Motor: Supports high-speed polishing, drilling, and profiling.
  • Hybrid Composite Vane Motor: Provides increased power output and extended motor life.
  • Thread Options: Available in 5/8"-11 and M14-2 spindle configurations.
  • Redesigned End Case: Improves water and air control during operation.
  • All-Weather Hoses: Includes 15 ft air and water hoses rated from -40°F to 140°F.
Best For
  • Wet polishing granite, marble, quartz, and engineered stone
  • Stone edge profiling applications
  • Wet drilling with diamond core bits
  • Countertop fabrication work
  • Stone restoration and finishing applications

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized Alpha Dealer
Alpha AIR-850/854 Pneumatic Polisher AIR-850 $383.25

Description

The Alpha AIR-850/854 Pneumatic Polisher is a wet air polisher designed for polishing, drilling, and profiling granite, marble, quartz, engineered stone, and other hard surface materials. A center water-feed system delivers water through the spindle to the polishing surface during operation.

Available with either a 5/8"-11 or M14-2 spindle thread, the tool operates at 5,500 RPM and uses a hybrid composite vane motor. It runs at 85 PSI, consumes 15 CFM of compressed air, and includes 15 ft air and water hoses.

Specifications

Specification Details
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 Threads 5/8"-11 or M14-2

Available Models

Part No. Maximum RPM Threads Description
AIR-850 5,500 5/8"-11 Pneumatic Polisher
AIR-854 5,500 M14-2 Pneumatic Polisher
AIR-850M 5,500 5/8"-11 Machine and Oil Only
AIR-854M 5,500 M14-2 Machine and Oil Only

Frequently Asked Questions

What materials can this pneumatic polisher be used on?
The Alpha AIR-850/854 Pneumatic Polisher is designed for granite, marble, quartz, engineered stone, and other hard surface materials.
What is the difference between AIR-850 and AIR-854?
The AIR-850 uses a 5/8"-11 spindle thread, while the AIR-854 uses an M14-2 spindle thread. Operating specifications remain the same.
Does this tool use water during operation?
Yes. A center water-feed system delivers water through the spindle for wet polishing, drilling, and profiling applications.
What air requirements are needed?
The tool operates at 85 PSI and requires 15 CFM of compressed air.
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