Diamond Holesaw set Holes Saw Drill Bit Cutter Tile Glass Marble Ceramic 6mm-30mm-10pcs

Description

Product description 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 How To Use: 1. The drill position on the marble 30 degree , then open a pit on it 2. Slowly up the bit to 45 degrees, and then gently drill 3. Continue up the bit to 60 degrees and then gently drill 4. Up to a certain point of angle, continue to drill 5. Finally reached 90 degrees , add some water in the drill pipes for cooling, extend bit life Package Includes: 1 x 10pcs Drill Bit Hole Saw  6mm / 8mm / 10mm / 12mm / 14mm / 16mm / 18mm / 20mm / 22mm / 30mm