45% off
45% off

Diamond Coated Drill Bits (Set of 15)

Regular price $26.99 Sale price $49.90

The Diamond Coated Drill Bits are made of high strength carbon steel with smooth nickel plating surface, hollow core drill bit lowers resisting force to the minimum, makes it easy to drill precise holes In Seconds.

Coated with high quality diamond, the diamond hole saw creates a high precision, smooth cut with no broken edges.

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.


  • Premium Quality
    Great Performance and long lasting, suitable for all common electric drillers.
  • Excellent for making clean and accurate hole on glass and tile.
  • Various Usage
    Suitable for Stone, Tiles, Ceramics, Glass and Granite, etc Processing.
  • Special Feature
    These hole saws are 30 Percent TALLER (deeper) than most competitors. You can drill through thicker materials with our tools. 
  • Excellent Results
    Granite, Ceramic & Porcelain Tiles, Glass, Marble, Slate, and many types of Stones.
      • Always use lubrication (water), otherwise the diamond core drill will burn.
      • Start your hole diagonally, make a round trace and then hold drill straight.


          • Size:
            • 6mm outside diameter
            • 8mm outside diameter
            • 10mm outside diameter
            • 12mm outside diameter
            • 14mm outside diameter
            • 16mm outside diameter
            • 18mm outside diameter
            • 20mm outside diameter
            • 22mm outside diameter
            • 25mm outside diameter
            • 26mm outside diameter
            • 28mm outside diameter
            • 30mm outside diameter
            • 40mm outside diameter
            • 50mm outside diameter
          • Package Weight: 0.3 kg 
          • Package Size: 18 x 10 x 6 cm 


            • 10 x Diamond Coated Drill Bits 

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