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OF20S-H | Multi-Surface Planetary 20" Concrete Floor Grinder & Polisher | Single Speed High

Availability: in stock

SKU: 498408


$10,450.00 >

Here is another multi-surface planetary concrete floor polish that works faster like no other. Meet OF20S-H Concrete Floor Grinder. The high speed OF20S-H machine operates at 1,000 RPM, making it the ideal concrete floor grinder, capable of production rates as high as 500 square feet per hour.

The OF20S-H operates on 208-240V, 1 Phase, and is powerful enough for professional users yet simple enough for almost anyone to operate and maintain. 

The OF20S-H also incorporates Onfloor’s patented tool attachment system known for being the fastest tool change in the industry.


Tooling packages are available for a multitude of applications, including:

Concrete Surface Preparation | Epoxy Removal | Mastic/Glue Removal




  • 20” Cutting Path: More production in less time.
  • High-Speed Grinding: Grind Concrete, Stone, Terrazzo, and more.
  • Lightweight High Speed: Faster operation and easy mobilization.
  • Up To 282 lbs. Grinding Pressure: Increases productivity with more grinding pressure.
  • Removable Handle: Reduces overall height for mobilization.
  • Self-Maintenance Platform: Replace belts and bearings in minutes, not hours.
  • Wet/Dry Operation: The machine operates dry with a dust collector or wets with water.
  • Patented Flexible Tool Plates: Follow the contour of the floor for faster production.
  • Patented Triple Belt Planetary: Creates more torque with less power.





5HP/208-240V 50/60HZ

Full Load Amperage


Tool Speed


Cutting Width


Vacuum Port

1.5" or 2"

Minimum CFM




Grinding Pressure


Optional Weight

28 LBS (4max)

Shipping Dimension

L: 31" x W:23" x H: 48"

Shipping Weight

210 lbs