5pcs diamond tile hole cutter set with 1/4 inch Shank
1/4 inch Hexagon Shank Dry Vacuum Brazed Diamond Tile Drill Bits are recommended for the drilling of all types of ceramic tiles, especially porcelain tiles, and other stone materials such as marble and granite.
1/4 inch Hexagon Shank Dry Vacuum Brazed Diamond Tile Drill Bits contain wax inside. This wax melts can facilitate cooling and the evacuation of drilling remains when using the drill bit.
Package included: 5 pcs(6, 8, 10, 12,14 mm)
Usage: Dry working
Because of the different operation methods, RPM and stone material、thickness,Raizi diamond tile drill bits’ worklife and the number of holes will be different.So it is necessary to maintain the proper speed and proper cooling of the drilling bits.