10PCS 0.5mm Diamond Burr Set Diamond Coated Glass Tile Jewellery Drill Bits Tool Hole Saw Drill Solid Bit

Made from diamond powder, precise and durable to use. During drilling it is essential to keep the drill bit lubricated at all times with cool water, this will prevent excessive and premature wear of the dill bit and possible damage to the item you are drilling. Diamond Burr set, rougher surface which are quicker than the larger grit burrs when Sanding, Polishing and Engraving. Idea for abrasive, engraving, carving, cutting, sanding, polishing, grinding. Use on Stone, Jade, Jewelry, Wood, Ceramic, Tile, Glass, Carbide, Gem, Metal and other hard materials., Manufacturer: MACHSWON