Diamond Core Drills


6mm-100mm Sintered Holesaw Drill Bits

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Sintered Drill Bits Lasts 30 X Longer

Sintered Drill Bits 6mm – 100mm removes a complete circle from tiles, marble, granite, porcelain or other materials and only needs water for lubrication.

Has longer diamond sintering edges for longevity, can last 20 – 30 times more than standard diamond drill bit.


Drill for drilling glass, ceramic sintering, stone, stone, agate, shell, hard materials using tile etc.
Product use: granite, marble, stone, ceramic tile, porcelain tiles, granite products and any other tough stuff.

Start your hole diagonally 45 degrees, make a round trace and then hold drill straight.
Material: Diamond + Carbide.

Is not recommended for use drilling on glass, slate or other more brittle soft stone materials.
Can be used with a standard electric drill.

Always use lubrication (water) otherwise the diamond core drill may burn.

Please see our speed chart for more information.

Additional information


6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 30mm, 32mm, 35mm, 38mm, 40mm, 45mm, 50mm, 53mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm