Product Descriptions: ​ ​Name: 6mm-130mm M14 Dry Vacuum Brazed Diamond Drill Core Bits Drilling Hole Saw Tools For Tile Marble Granite Stone ​Material: Diamond ​ ​Color: BLACK ​

​Total height: 2-3/8''（60mm）​ ​Diamond height: 13/32''（10mm） ​ ​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 ​ ​Package include: ​●1 x Diamond Drill Core Bits ​ ​ ​Note: ​1.Due to manual measurement, please allow 1-3mm error, thank you. ​2.Due to shooting problems such as light, there will be chromatic aberration, please be careful.