Specification: 57A24-R^Good performance level^57A aluminum oxide abrasive^Strong performance to price relationship; for all steel, steel alloys and irons^Cones used on horizontal and straight shaft grinders
For consistent, quality performance in foundries, welding shops, fabrication facilities, steel mills and shipyards, Norton cones maximize your productivity. Typical applications include hard-to-reach areas inside castings, removing flaws and cracks and removing metal in corners. R is hard grade.