Core Drill Bits

Core Drill Bits

Diamond Core Drill Bits to make through holes or blind holes with CNC Machines or Manual Contouring Machines.
These are diamond drill bits are specifically designed to work marble, granite, ceramic, quartz and engineered stones.
All available drill bits  in this section must be used on wet applications.
Main types to choose from:
  1. sintered drill bits for hard stone, granite and quartz
  2. electroplated  drill bits for marble and soft stone
  3. segmented ring drill bits
  4. continuous ring drill bits for a smooth holing
These high quality core drill bits are manufactured in Italy and are made by Nicolai Diamant with the highest quality diamonds in the industry. Because of that, they are all last longer, don’t blow out the bottom of the stone and cut faster.
These tools are tested and approved for machines like: Breton, CMC-Brembana, Omag, Poseidon and many other machines.
For special tools, in size or shape, don’t hesitate to contact us, we can supply you customized tools upon request
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    Nicolai - Continuous rim core bits - Ceramic
    From: 63,00  From: 50,40 
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    Continuous rim core bits - Ceramic, Gres - Nicolai

    A Continuous rim core bit is suggested when you need a highly smooth and accurate holing. Thanks to the continuous rim this tool gives you a slower cutting, if compared with a segmented ring core bit, but it ensures a clean cut even when exiting the material at the end of the holing. It has a li...
    Brand: Nicolai Diamant | Material: Ceramic, Gres, Porcelain | Useful height: 55 mm | Fitting: 1/2 Gas
    Different options: verify stock
    Diameter:
    11 mm
    Diameter:
    15 mm
    Diameter:
    16 mm

    Electroplated anchor bits 1/4" - Type Fischer
    From: 68,00  From: 51,00 
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    Electroplated anchor bits type Fischer - Diamar

    Electroplated anchor bits to drill anchor channels into the back of the stone in order to have a perfect hole for securing undermound sinks or for fixing slabs on the facades of buildings. This anchor bit is used on many materials like natural stone, marble or granite. The cylindrical shank 10m...
    Brand: Diamar | Material: Granite, Marble, Natural stone | Fitting: Cylindrical 10 mm | Grit: 30 / 35 | Length of diamond segment: 30 mm | Total length: 57 mm
    Different options: verify stock
    Model:
    3/16"
    1 in stock (more shipped in 5-10 days)
    Model:
    3/8"
    Shipped within 5-10 days
    Model:
    1/4"
    5 in stock (more shipped in 5-10 days)

    Nicolai - Sintered Core Drill Bits for Blind Holes - Granite, Engineered stone
    From: 18,90  From: 15,12 
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    Sintered Core Drill Bits for Blind Holes and Engraving - Granite, Engineered stone - Nicolai

    In this video is shown a sintered core drill bits with diameter 10 mm, useful length 45 mm and total length 85 mm.
    Brand: Nicolai Diamant | Material: Engineered stone, Granite | Fitting: Cylindrical 10 mm
    Different options: verify stock
    Diameter:
    15 mm
    Diameter:
    12 mm
    Diameter:
    10 mm

    Nicolai - Electroplated core bits - Marble
    From: 136,50  From: 109,20 
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    Electroplated core bits - Marble - Nicolai

    In this video is shown a electroplated core bits with diameter 35 mm and total length 100 mm.
    Brand: Nicolai Diamant | Material: Marble | Useful height: 100 mm | Fitting: 1/2 Gas
    Different options: verify stock
    Diameter:
    90 mm
    Diameter:
    80 mm
    Diameter:
    70 mm

    Nicolai - Segment core bits - Granite, Engineered stone
    From: 82,95  From: 66,36 
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    Segment core bits - Granite, Engineered stone - Nicolai

     
    Brand: Nicolai Diamant | Material: Engineered stone, Granite | Useful height: 70 mm | Fitting: 1/2 Gas
    Different options: verify stock
    Diameter:
    120 mm
    Diameter:
    110 mm
    Diameter:
    100 mm

    Nicolai - Continuous rim core bits - Granite, Engineered Stone
    From: 63,00  From: 50,40 
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    Continuous rim core bits - Granite, Engineered Stone - Nicolai

    A Continuous rim core bit is suggested when you need a highly smooth and accurate holing. Thanks to the continuous rim this tool gives you a slower cutting, if compared with a segmented ring core bit, but it ensures a clean cut even when exiting the material at the end of the holing. It has a li...
    Brand: Nicolai Diamant | Material: Dekton, Engineered stone, Granite, Laminam, Lapitec, Neolith, Quartz | Useful height: 50 mm | Fitting: 1/2 Gas
    Different options: verify stock
    Diameter:
    60 mm
    Diameter:
    50 mm
    Diameter:
    40 mm

    Drill Bits for granite - Cylindrical Shank 10mm
    From: 26,36  From: 25,04 
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    Sintered Core Drill Bits for Blind Holes - Cylindrical Shank 10mm - Granite - OMGF

    OMGF - Sintered Core Drill Bits for Blind Holes - Cylindrical Shank 10mm - Granite
    Brand: OMGF | Material: Granite | Type: Holed | Fitting: Cylindrical 10 mm
    Different options: verify stock
    Diameter:
    6 mm
    Shipped within 5-10 days
    Diameter:
    5 mm
    Shipped within 5-10 days
    Diameter:
    4 mm
    Shipped within 5-10 days