Substrate Technology Inc, Grinder, Prep/Master 2420

Ideal for Polishing Projects up to 5,000 SF (500 M²)

The STI-2420 floor grinding machine is designed for medium-sized commercial or residential projects. This machine combines the production capacity of a larger machine with the maneuverability of a smaller grinder. Its 20HP motor has strong torque and its variable speed drive easily adjusts to different grinding or polishing conditions for concrete, terrazzo, marble, and stone applications. Available in 230V or 480V.

The moveable pocket weight system adjusts head pressure depending upon application and the standard water tank makes it easy to switch from dry to wet work. Uses four tool plates (included). Recommended for project sizes up to 5,000 SF (500m²).

Features and Benefits:

• Working width: 24 in. (61cm)
• 20 HP (14.7kW)
• 1 or 3 phase
• Available in 230V or 480V
• 4 tool plates (included)
• Uses 12 tools
• Ideal for projects >5000 sf
• Standard water tank for easy wet to dry work switching
• Movable weight system
• Variable Speed
• Easier operation when compared to planetary gear