An air die grinder is an extremely versatile tool, capable of cutting, shaping, and polishing metal, wood, plastic, glass, or stone. So it’s no wonder you’ll find them everywhere from a… ...

Is max rpm listed on your die grinder anywhere? Every 1/4" one I've come across is in the 20k - 25k rpm range, and most accessories marked for die grinder use list a max of ~30k rpm.