Description
- diameter 12mm, diamond length 10mm,Hex Shank
- Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, stone
- Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in which automatically absorb and dissipate heat as you go
- Dry drilling and Use water for longer time.Notice:Please use with water when drilling granite
- Vacuum Brazed diamond technology provide very high efficiency,cuts faster and lasts longer
