Description
- diameter 12mm, diamond length 10mm,Round shank
- Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic,All-Purpose Drilling
- Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in for Cooling and Lubrication.Special Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips
- Dry drilling without water,Use water for longer time
- Vacuum Brazed diamond technology provide very high efficiency,cuts faster,durable and sturdy
