12PCS/SET M14 Dry Vacuum Brazed Diamond Drill Core Bit Set Drilling Hole Saw Tools For Tile Marble Granite Stone

Material: Diamond ​ ​Shank: M14 Thread ​ ​Color: Blue ​ ​Size: 6mm/8mm/10mm/12mm/20mm/25mm/30mm/35mm/45mm/50mm/68mm ​ ​Total height: 60mm ​ ​Diamond height: 15mm ​ ​Features: ​1. Dry drilling without water feeding, 6mm-12mm bits with Wax inside helps cooling the bits ​ ​2. Wide application for drilling tile ceramic granite marble stone.... ​ ​3. Vacuum Brazed technology provide much longer working life than electroplated ones (Generally 3-5times) ​ ​4. Less Chipping, Minimizing breakage, less heat generation, Better finish quality ​ ​5. High diamond exposure rate provides a faster and more aggressive drilling. ​ ​6. Save your money and time... ​ ​Application: Used for opening holes in marble, ceramic tiles, granite, pebbles, walls and other materials