A TO Z Glass Drill Bit Tile Marble Glass Ceramic 06 mm Diamond Coated Core (Set of 10 Nos)

For glass, ceramics, marble and other hard and brittle materials drilling. Head made using diamond plating, tooth edges are sharp, than ordinary plated hole saw more durable. Opening hole are neat and smooth, no broken edges, and no tremor phenomenon. Chip evacuation are more easily, improving the speed of opening. SIZE – 6mm(1/4-inch) Drilling Diameter, 5.5mm(0.22-inch) Shank Diameter. DIAMOND COATED – Diamond coating enhances the drilling speed, which makes the bit more sharp. NICKEL PLATED SURFACE – Nickel plating surface can extend the service life and enhance the surface corrosion resistance. SPECIAL DESIGN – Side open can remove the waste to keep the drill bit clean. APPLICATIONS – Perfect for drilling glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone and fiberglass. (Need to be used at a low speed; Always use lubrication (water) when processing, otherwise the hole saw will burn.)