Diamond Drill Bit Set Hole 15PCS 10PCS Hole Saw Set for Tiles Glass Marble Granite Stone Ceramic Marble Bottles DIY -10 silver-

Tile Hole Saw Diamond Drill Bits 6-50mm Glass Tile Hollow Core Extractor Remover Tools for Glass, Ceramics, Porcelain, Ceramic tile Diamond Drill Bits, are also know as Diamond Core Drill Bits, Diamond Hole Saws or Bonded Diamond Drill Bits. They are often called Glass Drill or Tile Drill, but they are much more versatile since they are used to drill glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, granite, light stone, and fiberglass. Main Features: Removes a complete circle glass, tiles, marble, granite, ceramic or other material and only needs water for lubrication Can be used with a standard electric drill (not included) Easy to use, high quality, good performance, long life Excellent for making clean and accurate hole on glass, tile and marble ?Attention? Please keep adding water when the diamond drill bits are working on the glass or ceramics.low drill pressure and increased use of water lubrication will extend drill bit life How to use a hand drill to drill holes in the glass/tile/stone? Step 1. The bit on the glass/tile/stone 45 degree, open a half-moon notch on it Step 2. Slowly up the bit to 60 degrees, and then gently drill Step 3. Reached 90 degrees, continue to drill Step 4. Drill through the glass/tile/stone finally, the technique requires a “wobble” of the drill rather that steady pressure straight on