Tile drill bit – 866803


• Use an oscillating motion to remove dust. . • Do not press too heavily on the tool. Let it work. . • Drilling with water greatly increases the life of the tool. . • Sharpening restores cutting power of the tool. . • Cutting speed: DRY >11000 rpm - WITH WATER <3000 rpm. . IF THE TOOL DOES NOT PIERCE either the part is frozen or has over heated. . • or the material is too hard. You have to sharpen the tool on a stone . • Or amplify the oscillation motion . • Sprinkle with water during drilling.