1/4" Diamond Hole Saw Drill Bits, 15PCS Glass Tile Holes Saw 1.1 inch Cutting Depth Glass Hole Saws Tile Holes Saws for Ceramic Marble Porcelain Tiles Granite

【Package Contents】You will receive 15 pieces of drill hole bit, The glass hole cutter is made of high-quality iron alloy, Special coating on the surface ensures corrosion resistance and long-lasting durability 【Cutting Hole Diameter】Features a 6mm (1/4") hole diameter and a total length of 52mm (2"), offering precise and clean cuts. Great for creating accurate holes in various materials 【Efficient Drilling Design】The design includes large clearance holes, allowing better water flow to cool down the drill bit and helping to remove chips and particles for smoother and faster drilling 【How to Use】For optimal performance, start drilling at a 45-degree angle and align to 90 degrees as the hole forms. Always use water for cooling to extend the life of the drill bits and improve results 【Wide Application】Diamond drill bits for ceramic perfect for drilling through a wide variety of materials such as glass, ceramics, porcelain, ceramic tiles, limestone, marble, light stone, and fiberglass, making it ideal for multiple DIY and professional projects