Precision Abrasives for OD Grinding 3M
3M Precision-Shaped Grain is the cutting-edge conventional abrasive technology behind 3M™ Cubitron™ II Vitrified Wheels. It’s designed with sharp, ceramic triangular structures that continually fracture when grinding to form new, sharp edges. This helps grinding wheels made from 3M Precision-Shaped Grain last longer than other grinding ...