10PCS 6mm OD Diamond Coated Hole Drill Bit Glass Tile Marble Tool
8,37 €
Feature: Small incision resistance, chip easily, improved drilling speed, ease of decoration after opening. Surface by nickel plated for vitrified tiles, glass, tiles, artificial stone, ceramics and other brittle materials, drilling operations. This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication. Can be used with a standard electric drill. Always use lubrication (water ), otherwise the diamond core drill will burn. Start your hole diagonally, make a round trace and then hold drill straight. .
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