Zinc plated diamond hole saw for glass ,marble or ceramic ]1.Size:2-150mm 2.straight ... Plated Zinc plated diamond hole saw for glass ,marble or ceramic Zinc plated Diamond glass & tile hole cutter Diameter from ... also know as Diamond Hole Saws, are used to drill glass,ceramics, porcelain, ceramic and porcelain tile, limestone, slate, ... Pictures: Zinc plated diamond hole saw for glass ,marble or ceramic