| Material | Metal |
| Color | Silver |
| Size | 6mm/0.23"， 8mm/0.31"， 10mm/0.39"， 12mm/0.47"， 14mm/0.55"， 16mm/0.62"， 18mm/0.7"， 20mm/0.78" |
| Quantity | 10pcs |
Features:
Diamond hole saws choice of sizes from 6mm to 20mm.
Easy to use， high quality， good performance， long life.
Can be used with a standard electric drill.
This diamond coated core drill bit removes a complete circle from glass， tiles， marble， granite， ceramic or other.
Notice:
Always use lubrication (water)， otherwise the diamond core drill will burn.
Package Included:
