10 x Diamond Coated Hole Saw Drill Bits
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer
Materials and only needs water for lubrication;Can be used with a standard electric drill.
Always use lubrication (water), otherwise the diamond core drill will burn.
Start your hole diagonally, make a round trace and then hold drill straight.
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″, 2