Diamond Core Bit

(6 customer reviews)


Titan Diamond Tools core bits are available in sizes from 1/4 inches (6mm) to 6 inches (152mm), offering the widest selection of diameters to choose from. The 5/8-11 shank is designed to fit all North American grinders and provides maximum cutting power for precise drilling, allowing for fast and efficient results. The diamond segments are built to be durable and reliable, making these some of the most durable diamond core bits on the market. They are capable of drilling through tough materials like porcelain, ceramic, marble, and natural stone with ease.

  • Available from 1/4″ (6mm) to 6 inches (152mm).
  • 5/8″-11 thread shank to fit a grinder.
  • Designed for wet or dry drilling.
  • Suitable for porcelain, marble, granite, ceramic tiles and other hard natural stones.
  • 13,200 Max RPM.
Titan Diamond Tools Product Catalogue

Product Catalogue

Download our latest 2023 Titan Diamond Tools product catalogue.

SKU: CB Category:
TDT Products

Available in 20 different sizes

Offering the widest range of diamond core bits in the market with a total of 20 different sizes available. From as small as 1/4″ (6mm) to as large as 6″ (152mm), our selection ensures that you can easily find the right fit for your tiling job.

premium diamond

Premium Diamonds

When it comes to diamond core bits, performance and durability is everything. Our diamond core bits are made with precision and using only the highest quality materials, which allows them to outperform all other brands in the market.

vacuum brazed technology

Vacuum Brazed

This manufacturing process involves brazing diamond particles directly onto the tool, resulting in a stronger bond and higher performance. Our technology ensures that our core bits have an extra layer of protection, which improves their lifespan and performance.

Wax Filled Core

Core bits (up to 13mm) are filled with extra wax to provide greater cooling and lubrication benefits. This helps ensure that you get the most out of your drill bit, prolonging its life and performance.

wet dry drilling

Wet or Dry Drilling

Designed to handle both wet and dry drilling. Whether you’re using water or not, the bits offer an efficient and reliable solution to help you get the job done quickly and efficiently.

diamond core grinder

High Revolution Drilling

Featuring a 5/8″-11 shank compatible with all North American angle grinders for high revolution drilling up to 13,200 RPM allowing fast and efficient drilling through the hardest materials.


How long can I expect these diamond core bits to last?

With their robust construction, our diamond core bits are designed to outlast standard drill bits. The actual lifespan may vary based on usage and the material being drilled. With regular usage, you can expect to drill up to 50 holes. But that’s not all, in our tests we found that depending on the hardness of the material, these resilient core bit can drill up to 180 holes with the use of our cooling wax. This durability makes them a cost-effective choice for both professional and personal use. 


How long does it typically take to drill a hole using your diamond core bits?

With our diamond core bits, you can expect efficient and quick drilling. For instance, if you’re drilling through hard porcelain with a thickness of 10mm, you can anticipate completing the task within just 5-10 seconds. This rapid performance not only saves time but also contributes to smooth, professional results.

What types of materials can your diamond core bits drill through?

Our diamond core bits are incredibly versatile, designed to handle a wide range of materials. They can effortlessly drill through all kinds of tiles and countertops, including ceramic, porcelain, granite, marble, and quartz. But their capabilities don’t stop there. These bits are also highly effective for masonry work, proving successful in drilling through brick and various types of stone. With our diamond core bits, no material is too tough.

How do Titan Diamond Tools core bits compare to the competition?

When it comes to durability and performance, Titan Diamond Tools core bits stand head and shoulders above the competition. Manufactured with 3rd generation premium quality diamonds, these core bits offer optimal performance and unmatched durability. In fact, through rigorous testing, we’ve found that Titan Diamond Tools core bits can outperform competing products by up to 20 times in certain cases. So whether you’re shopping online or in stores, you can feel confident knowing that our core bits are among the best on the market.

Can Titan Diamond Tools core bits be used with a regular drill?

Yes, Titan Diamond Tools core bits can certainly be used with a regular drill. We offer a 3/8″ hex shank drill bit adapter to make this possible. However, for optimal performance and longevity of the core bit, we recommend using a grinder due to its high-speed revolution. This allows for more efficient cutting, especially through tougher materials. It’s another way we strive to provide versatility and convenience for our customers.

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Drilling Porcelain, Marble, Granite & Quartz

Core Bits in Action