Description
3″ Diamond Cupwheel – 16/20# Grit – Purple Ram is our in-house engineered, prototype‑batch grinding tool built for precision and power. Taller than standard small-diameter wheels (so NOT compatible with Dust Avenger 005 shrouds), it’s perfect for tight spaces yet delivers contractor-level results.
We’ve combined:
- Medium Bond 16/20 grit—delivers aggressive grinding on concrete, stone, tile, epoxy, glue, and more.
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Lasered diamond segments for fast material removal and long life (our signature Purple Ram bond and grit)
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Cooling vents and chip-clear design for dust/heat management
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Ideal Applications
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Grinding and surface prep on concrete, granite, marble, and engineered stone
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Removing paint, epoxy, glues, mastics
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Smoothing uneven patches and removing flash on tile or stone
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Compact-zone work where a 7” or 4.5″ won’t reach
Why Ours Is Different
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Taller profile for deeper grinding without increasing diameter
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Custom Purple Ram coating—tougher temper for extended life
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Vacuum brazing ensures segment retention under high heat
Make the Purple Ram your go-to in tight, precision-demanding environments that need industrial-strength grinding.