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30" Onfloor Walkbehind Floor Grinders

  • Multi-surface planetary concrete floor grinder, concrete floor polisher that is equipped with Onfloor’s patented triple-belt planetary technology and flexible tool plates. 

    The 30" diameter grinder is light enough to tackle wood sanding and powerful enough to grind concrete a high efficiency. Able to reach 1500 sqft / hr of production speed on concrete, this is the ideal machines for professional polishers.

    Diamond tooling available at: ( Metals / Hybrids / Ceramics / Resins )

    Other sizes of grinders available at: ( 9 Inch 16 Inch / 20 Inch )


      30" Diameter (Variable Speed)


      Motor/Power: 7.5 HP/ 208-240V
      Full Load Amperage: 37
      Vacuum Port: 2"
      Minimum CFM: 250
      Weight: 550 lbs
      • Fast Shipping: We will dispatch all items on same or the next business day. Our cutoff time is M-F 3:30 PM Pacific time.
      • Free Return: If your item is faulty or we have sent you something different to what you ordered, return it to us in the original packaging within 30 days and we will give you a replacement or a full refund. (Shipping cost not refunded)
      • Payment Safety: All transactions are SSL-protected and guaranteed safe.
      • Your Privacy: We will never share your information with anyone.
    When will my order arrive?
    Expedited shipping available at checkout.
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    Diameter Type Model Price Quantity
    info30" Grinder Variable Speed 0-1,350 RPM $23,995.00
    info30" Necessary Accessories Heavy Duty Belt (Set of 3) $193.88
    info30" Necessary Accessories Adapter Plate (3 Pack) $322.30
    info30" Necessary Accessories Dust Skirt $323.13
    info30" Necessary Accessories 50lb Weight $445.50
    info30" Replacement Accessories White Grommet (24 Pack) $44.00
    info30" Replacement Accessories Accessory Pin (12 Pack) $108.63

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    Local pick up only. Please call (626)-656-5982 to set up a local pick up.

    An item over $1500 is required for financing.

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