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.

✔ Satisfied Size - 6mm/0.23", 8mm/0.31", 10mm/0.39" , 14mm/0.55", 16mm/0.62", 18mm/0.7", 22mm/0.86", 35mm/1.4", 40mm/1.57", 50mm/1.97"

✔ Ideal Application - This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.They are perfect for drill glass, tile bottles,blocks jars, fiberglass porcelain tile ceramic, slate Mable, granite light stone
✔ Super Material - These diamond drill bits made of high-speed steel that is durable and have a long sevice life,which are high quality and good performance that excellent for making clean and accurate hole.
✔ Sharp&Smooth Cut - Coated with high quality diamond, the diamond hole saw creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably
✔ Note - When you using the diamond drill bits, please use lubrication (water),otherwise the diamond core drill will burn.Not for use on Concrete or for depths beyond about 1/2".

Standard form & Use note

1. Start your hole diagonally, make a round trace and then hold drill straight.
2. Always use lubrication (water), otherwise the diamond core drill will burn.
3. Low drill pressure and increased use of water lubrication will extend drill bit life considerably.
4. Not for use on Concrete or for depths beyond about 1/2".


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