General description Diamond core bits designed for both dry and wet use, ideal for drilling through various materials including ceramics, gres porcelain, granite, and klinker. These bits are suitable for applications such as furniture and bathroom fittings, as well as electric and plumbing installations. Technical specifications Diameter: 70 mm Maximum useful height: 50 mm Thread connection: M14 Speed: Very High Finish: Medium Lifespan: Very long Usage These diamond core bits are versatile and can be used with a flexible angle grinder, making them suitable for various drilling tasks in home improvement projects.