Hex Shank Dry Diamond Drill Bits 2pcs/5pcs
Diameter 8mm, 10mm, 12mm, 14 mm; Quick-fit Shank; Diamond length 10mm
For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic.....
1. Wax inside for cooling, Dry drilling without water
2. Very high efficiency, multi-purpose drilling
3. Vacuum Brazed technology and high quality diamond grains provide high efficient working and long time performance
4. Alternatively place the drill at a 45 degree angle. Drill until the drill bit starts to penetrate the material and then bring the drill up into the upright position and continue.
5. Ensure all the forms of percussion or hammer action are turned off.