Diamond Core Bit - 35mm Silver Tone Diamond Drill Bit for Glass Marble Ceramic Tile

Diamond coating optimizes performance and maintains sharper tips than traditional or bi-metal carbide saws. Nickel on these bits maximizes your tool life with great resistance to corrosion. Side holes facilitate slug removal after drilling. Perfect set for cutting precise holes in a wide variety of materials such as glass and ceramics. Package Content: 1pcs x Glass Hole Saw;Drilling Diameter: 35mm. Made of high performance cutting glass slate tile porcelain etc. Small diamond particles coated tip features cutting edges.To prolong its using life remember to hold it with coolant sometimes.