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Diamond Coated Drill RLECS 10PCS 3mm Diamond Coated Hole Saws Drill Bits for Glass Ceramic Tile Marble Rock Porcelain Bottles Pots Brick, Silver Diamond Finger Milling Bit

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$6.29

$ 2 .99 $2.99

In Stock

1.Size:3mm


About this item

  • Product Name::Diamond coated hole saw drill bit, can achieve high precision and smooth cutting, no edge breakage, with good toughness and high strength.
  • Product material: high-quality emery, the surface treatment is nickel-plated, which can extend the service life and enhance the surface corrosion resistance. These diamond drill bits are made of high-speed steel with a nickel-plated coated body that is corrosion-resistant and has a long service life.
  • Features: Diamond coating increases drilling speed and sharpens drill bits. Electroplated diamond is uniform and more wear-resistant, maximizing performance and maintaining sharper cutting edges than traditional carbide or bimetal hole saws. In addition, the special design with clearance holes facilitates the entry of cooling water and the escape of chips from the borehole, making the drilling process easier.
  • Applications: Diamond-coated hole saw drill bits are ideal for drilling glass, ceramics, porcelain, tiles, limestone, slate, marble, light stone and fiberglass. Low speed use is required; Always use lubricant (water) when machining, otherwise the hole saw will burn. Not suitable for drilling of tempered glass, plastic and wood.
  • Package contents: 10PCS diamond coated hole saw drill bits with a drilling diameter of 3mm.


Name: diamond coated hole saw drill, glass hole opener, tile drill.
Size: Drilling diameter 3mm
Features: Premium Durable - The thickened diamond dust coating on top provides superior cutting strength for high-precision, smooth cuts without broken edges. Reducing bit speed, reducing bit pressure, and increasing the use of water lubrication will greatly extend the life of the drill bit. These diamond drill bits are made of high-speed steel and are built to last.
Applications: for glass, ceramics, porcelain, ceramic tiles, limestone, slate, marble, light stone and fiberglass. Not suitable for drilling of tempered glass, concrete, plastic and wood.
Operational process; Clean the drilled surface, open the crescent socket at 45 degree, and make the hole vertically.
Note! : When using, you need to add water to cool down the whole process.


Brian c. streff
Reviewed in the United States on March 20, 2025
Seems like the one I've been using will never dull. The only downside is that finding a true, straight one proves difficult. Once found, you'll be impressed by its durability and longevity.
Daniel C.
Reviewed in the United States on August 22, 2024
Funcionan perfectamente perforando vidrio
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