A heavy-duty titanium-coated tile bit is a type of drill bit specifically designed for drilling through tiles or other hard materials like porcelain, ceramic, or glass. These bits are constructed with a durable carbide tip that has been coated with a layer of titanium nitride. Now, available at Sterling Glass Hardware   The titanium coating serves several purposes. Firstly, it increases the hardness and durability of the drill bit, making it more resistant to wear and extending its lifespan. Additionally,...