General description Neilsen Vacuum Brazed Diamond Hole Saw is a premium professional quality tool designed for intense coring through various hard materials such as porcelain, granite, marble, and all types of hard tiles. It is ideal for professional tilers, plumbers, electricians, masons, and DIY enthusiasts. Technical specifications Diameter: 68mm Thread: M14 Drilling depth: 35mm Material: Diamond Application: Porcelain, Ceramic, Granite, Marble, Stoneware, Quarry tiles, Slate, Terracotta, Terrazzo High diamond concentration for increased lifespan Usage This diamond hole saw is designed for use with angle grinders, making it suitable for a variety of drilling applications in hard materials.