Diamond Drill Bits Start the hole diagonally, make a round braid and then hold drill straight.Water is required for lubrication when drilling
Tile Hole Saw 15 Sizes: 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm
WARNING: Not for use on Concrete or for depths beyond about 1/2"; Water is required for lubrication when drilling.
Diamond Hole Saw Features: Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
Diamond drill bits application: Used on Drill Glass,Wood,Tile Bottles,Blocks Jars, Ceramic,Slate Mable, Granite Light Stone, and other hard surfaces