Milwaukee 3/16" Glass and Tile Drill Bit is designed to provide precise and clean holes with minimal bit walking thanks to its exact start tip. Crafted with sharpened carbide, this drill bit ensures fast drilling performance, while the reinforced carbide head adds enhanced durability for long-lasting use. It is for drilling holes in glass and ceramic tile when using drill-drivers, making your projects easier and more efficient. Please note, this bit is not for use on porcelain tile. Model Number: 48-20-8981