The vacuum brazed diamond drum wheels are designed for making an inside circle, oval, or arc. The tool features the fastest material removal rate of any grinding drum when used on granite, marble, concrete and engineered stone. 30/40 grit diamond (coarse) for grinding hard granite. 60/70 grit diamond(medium) for grinding medium/soft granite and marble. 5/8-11 thread fits most grinders, 2" diameter and 2" height.
You may buy seperately our adapter 5/8"-11 to M14 to use with power tools with M14 thread spindle.
We DAMO Diamond Tools, LLC holds exclusive distribution to DAMO Trademark products as you can see clearly marked from the picture on the product listing.