Better choice for fast stock removal and long life Zirconia alumina / aluminum oxide abrasive blend for 35% faster cut rate than standard aluminum oxide, resulting in more parts cleaned in less time to substantially increase productivity Specially formulated organic bond for 2X greater life than ordinary aluminum oxide, reduces vibration and wheel chatter Ideal for removing parting lines, fins and small risers from castings, and smoothing and blending of welded areas Standard shank length is 1 1/2 in Maximum operating speed is based on 1/2 in overhang
