1Pc 3-100mm Glass Hole Saw Diamond Coated Drill Bit for Glass Tile Marble Ceramic Granite

【Wide Usage】Diamond hole saw drill bit set kit removes a complete circle from glass, marble, tiles,granite, ceramic or other., Perfect for drilling glass, porcelain tile, granite, bottles, Wood, Blocks Jars, ceramic marble and and other hard surfaces etc.【Super Material】Glass drill bit for bottles, are made of industrial grade carbon steel, sharp, fine workmanship and super wear-resistant, Extended service life. Glass cutting drill bit are high quality and good performance that excellent for making clean and accurate hole.【Tip】Diamond drill bits for ceramic, When you using the diamond hole saw, please use water, water will extend drill bits life.