These metal drum wheels are perfect for use on granite or marble. Ball bearings make the movements smoother and bit last longer. 5/8"-11 thread attachment.

Grinding Drum Wheel | Granite Diamond Tools These high quality drum/profiler wheels are perfect for granite or marble. Made from high quality diamond and metal, these come in two different attachment types. Use: Wet Application: Granite, Engineered Stone, Quartzite Machines: Angle Grinder Features: With top bearing, it gives convinence to beginner fabricators. Faster grinding and wears evenly. Thread:  5/8-11F Max RPM: 4,000

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