Stone Ray 3 Head Surface Grinder and Polishing Machine

Power, precision, and versatility

The Stone Ray 3 Head Hand Grinder Surface Machine is engineered for professional fabricators and restoration specialists who demand reliability, speed, and accuracy across multiple materials. Its compact footprint and balanced 3-head design make it the go-to tool for polishing, grinding, and surface finishing in tight or detailed spaces.

Key Features

• Lightweight 7 lb design with 8.25″ working width
• Uses standard 4″ Velcro-backed tooling for quick changes
• Compatible with any 7″ sander/polisher (for blending large surfaces – not included)
• Three 5/8″-11 heads fit standard pads and accessories, no proprietary parts required
• Dust-skirt vacuum port for safe, clean operation
• Wet or dry grinding/polishing capability

Attach any variable speed 7” grinder/polisher and you’re ready to go!

Use the Stone Ray to:

• Grind and polish concrete, remove coatings, prep wood or terrazzo, and refinish marble, granite, quartz, quartzite, travertine, and all natural stones.
• No proprietary attachments required, the Stone Ray features three 5/8″-11 threaded heads compatible with standard backup pads, snail-lock backers, aluminum pads, leather brushes, and more.

Applications

• Floors, countertops, stairs, ledges, pools, walls
• Works on concrete, stone, terrazzo, and wood.
• Suitable for wet or dry operation.

Warranty

Tenax USA warrants that each Stone Ray 3 Head Surface Machine is free from defects in material and workmanship for three (3) years from the date of purchase. This warranty excludes damage caused by misuse, improper maintenance, or unauthorized modifications.