1-3/8 Inch (35mm) Diamond Hole Saw Drill Bit Set for Ceramic Stone Metal Granite Porcelain Tile Glass Drill Bit for Bottles Pots Pack of 2 Pcs(1-3/8″ (35mm)-2pcs)

About this item High-Performance Materials: These diamond drill bits are made of industrial-grade carbon steel with an electroplated surface for a smoother, better-protected surface and longer life Efficient and Smooth Cutting: High-quality tile drill bits have thicker diamond coatings and sharper flute edges for smooth, high-precision cutting Wide Mouth Chip Removal Design: The large chip discharge opening on the side of the glass drill bit ensures smooth and non-jamming punching, allowing waste to be discharged quickly and accurately while working Multifunctional Use: Our diamond hole saw can be used as glass hole saw, tile hole saw, porcelain tile drill bits, glass hole cutter, etc. The drill shank size is suitable for common specifications of electric drills, lithium-ion drills, table drills, which is very easy to disassemble and use more casually Adding Water for More Stable Drilling: Using the tile hole saw kit diamond to make holes with lubricating oil (water) can effectively protect the life of the diamond hole saw kit and improve the stability of the holes when making holes