Capitol 5/16" Diamond Drill Bit

This Capitol 5/16" diamond drill bit features a diamond grit cutting rim and an included water cooling system to keep the bit cool for a longer lifespan. This item is brand new in its original, sealed packaging, which shows some minor shelf wear. Perfect for precision drilling tasks, this tool is designed for cutting clean holes in porcelain, ceramic, marble, granite, and concrete. Whether you are a professional contractor or a weekend DIY enthusiast looking to tackle that home renovation, this durable bit is ready to get the job done right. Specifications: Diameter: 5/16 inch (8 mm). Includes: Drill guide and water cooling system. Application: Porcelain, ceramic, marble, granite, and concrete.