... : HP, diamond coated for grinding, engraving, carving on metal, wood, bone, jade, PVC, glass, stone Catalog:Description:1. Most modern ... grinding and engraving on metal, wood, bone, jade, PVC, glass and stone carving, can be used as glass drill bit, diamond ... and fine finishing tools for dental surgical & laboratory.Our main products range from diamond burs, carbide burs, dental polishers, sintered ...