ROSE 6 Pcs Glass Tile Drill Bit 3 x 6mm, 8mm 10mm 12mm Ceramic Tile Drill Bits Earthenware Porcelain Drilling Cutter for Tiles Glass Brick Marble Mirror

Unique design - hss ceramic drill bits are designed with double-threaded U-groove, smooth and flat, and effectively remove chips. 3 Angle handle adjustment makes the glass drill more stable on the electric drill and prevents slipping. Performance - Glass drill bits are made from high strength alloys with low cutting resistance. The surface of the tile drill bit adopts a thorough grinding process, which is rust-proof and has high hardness. Wide range of applications - Tile drills can be installed on hand drills, drilling machines benches and electric drills. Tile drill bits can be used to drill glass tiles, tiles, plastics, wood, thin metals, jade, shells, etc. . Note that when drilling holes with a tile drill, drill slowly to fast and do not press down too hard on the drill bit. When drilling hard materials, please add water to cool down, so as not to damage the drill bit due to excessive working temperature for a long time. Glass Bit Set Great Value - 6pcs, 4 different sizes, 3pcs