BORIDE Engineered Abrasives

Made from select premium aluminum oxide grain the RASP is our most versatile  all around finishing stone. Developed by professionals in the trade the RASP has  an outstanding cut and finish on most all tool steels, aluminum and even EDM  surfaces. The RASP is formulated with a proprietary lubricant that allows the  stone to be used wet or dry. The RASP is an excellent stone for flat lapping and  contours quickly with a moderate breakdown. The RASP can be used by hand or in a  profiler.