Drilling Tools home > diamond tools > stone tools > drilling tools Drilling Tools for all kind of stone and marble. Ceramic and Porcelain Tile Sort By:  Name Lowest Price Highest Price Most Recent       gallery view        list view    Zered K Black Core Bits For Granite and Hard Stone Zered™ Black Core Bits For Granite - Side Protection 3/8 Non Core Bit x 5/8-11", SCDBK Mounting Point Set - 20pcs / 50pcs Zered™ CNC Core Bit Thin Segment for Concrete and Hard Stone Zered™ Core Bit Thin Segment for Granite and Concrete Zered™ M5 Vacuum Brazed Bit for Glass Zered™ Premium T shape Dry Core Bit for Marble, Granite and Quartz Stone Zered™ White Dry Core Bit - Granite, Quartz and Hard Stone Zered™ White Non Core Bit for Marble, Granite and Quartz Stone