uptodateprouducts GHS-10 10pcs Diamond Hole Saw Marble Drill Bit Set 5-50mm for Glass Ceramic Tile Drilling Tools

10pcs Diamond Hole Saw Marble Drill Bit Set 5-50mm for Glass Ceramic Tile Drilling Tools Excellent for making clean and accurate hole on glass and tile These diamond bits are capable of drilling into extremely hard materials such as stone and glass. Use a low speed setting and proper cooling, such as water, to ensure longer lasting life Hole saw diameters: 5mm/0. 20", 6mm/0. 24", 8mm/0. 31", 10mm/0. 39", 12mm/0. 47",, 14mm/0. 56" , 14mm/0. 64", 18mm/0. 71", 32mm/1. 26", 50mm/1. 97"