5mm Tip 68mm Length Metal Round Shank Triangle Head Ceramic Tile Drill Bit 20Pcs

Be made from high quality carbide tipped.    
High temperature protective coating on the surface of the drill.    
Difficult to high-speed drilling.       
The ceramic tile dill bit  is specialized in opening holes in glass, ceramic tiles and ceramics, it can enlarge existing holes with ease and can bore any arc of a circle.    
Cutting holes tidily, no vibration phenomenon, easy to position, small resistance with a higher operation speed, easy to decorate and clean after drilling.    
Work with water please take the measures, to prevent electric shock.