10mm Diamond core saw for hard ceramic gres wet cutting (SKU: G65010)
Are you looking for a reliable, extremely precise and long-lasting tool for drilling into the hardest ceramic materials? The 10mm Diamond Core Saw for Hard Ceramics, Porcelain Stoneware and Wet Cutting (Product Code: G65010) is a top-of-the-line professional tool designed for ceramists, installers and demanding DIYers. This high-quality 10mm diamond drill bit enables perfectly clean, fast and precise drilling without the risk of damaging, cracking or chipping sensitive surfaces.
Thanks to the advanced technology of high-quality diamond core, this core saw is the ideal solution for working with extremely hard materials such as stoneware, porcelain, marble, granite and hard ceramics. Forget about chipped edges and ruined expensive tiles. By using water cooling (wet cutting), you will achieve professional results with minimal effort that will meet even the most demanding standards.
Why choose the G65010 diamond core saw?
When working with expensive materials such as porcelain or natural stone, there is no room for error. Every cracked tile means additional costs and loss of time. Our 10mm diamond core saw works on the principle of fine grinding rather than rough cutting, which ensures exceptionally smooth hole edges without damaging the area around the cut. It is an indispensable tool when laying tiles, installing bathroom equipment and installing installations.

Key features and technical specifications
This diamond drill bit has been developed with maximum durability, efficiency and broad compatibility with existing tools in mind. The main technical features of the product are listed below:

Drill bit diameter: 10 mm - the optimal and extremely popular size for drilling holes for wall plugs (inserts), cables, smaller pipes or bathroom accessories.
Diamond bank height: 6 mm high quality diamond edge ensures extremely long tool life and high grinding speed through the hardest materials.
Clamping method: Adapted for drills with a classic chuck (shank), allowing universal compatibility with most electric and cordless drills on the market.
Mode of operation: Exclusively for "wet" drilling without impact, which effectively prevents overheating of the diamonds and drastically extends the life of the drill bit.


Benefits of using a 10mm diamond core saw for porcelain stoneware
1. Extreme precision without material damage
Unlike conventional concrete or metal drill bits, a diamond core bit does not drill by impacting or cutting, but by gently but extremely effectively grinding the material. This means you will create perfectly round and smooth edges without the risk of your expensive tile cracking or chipping at the edges.
2. Long service life with 6mm diamond core
With a high-quality 6 mm high diamond core, this drill bit can handle even the toughest challenges. With proper use, moderate pressure and regular water cooling, the drill bit will serve you for an exceptionally long time, making it an excellent investment and excellent value for money.
3. Easy to use with conventional drills
You don't need any special or expensive specialized machines to do the job. The drill is designed to be used with standard electric or cordless drills with a chuck. It's only important to turn off the impact function on your drill (drilling is done exclusively in rotation) and ensure the constant presence of water for cooling.
4. Versatility in working with different materials
This diamond core saw is a universal tool for renovating bathrooms, kitchens and other living spaces. You can use it for:

Hard stoneware (porcelainized red and white clay)
Porcelain and ceramic tiles of all hardnesses
Natural stone, including delicate marble and granite


Instructions for safe and effective use (Wet drilling)
To achieve the best results, a perfect bore appearance and maximize the life of your diamond core saw, follow these steps consistently:

Turn off the impact function: Drilling should only be done in non-impact mode. Impact action will immediately destroy the diamond core and damage the material.
Ensure continuous water cooling: While drilling, continuously supply water to the cutting area. The water cools the diamond core bit and removes the dust generated, preventing the drill bit from overheating and maintaining its sharpness.
Start at an angle (non-centering tip technique): Since the drill bit does not have a centering tip, start drilling at an angle of about 45 degrees to create a small, crescent-shaped starting groove. Once the drill bit "bites" into the material and stabilizes, slowly and gently straighten it to a perfectly vertical position (90 degrees).
Adjust pressure and speed: Work with moderate, even pressure and medium speed of the drill. Too much pressure will not speed up the drilling process, but will only cause excessive friction and faster diamond wear.


Video presentations and practical demonstrations of use
Watch the videos below, which demonstrate proper drilling technique, proper cooling, and the exceptional efficiency of diamond core saws in practice on hard materials:
Demonstration of operation and correct technique for starting drilling at an angle:

How to properly and easily cool a drill bit while working in the field:

Comparison of results and speed of operation on extremely hard clay:


Frequently Asked Questions (FAQ)
Can I use this core saw for dry drilling without water?
No, this diamond core bit (SKU: G65010) is designed exclusively for wet cutting with mandatory water cooling. Using the drill bit without water will cause the diamond core to overheat immediately, drastically shortening the tool's life or permanently destroying it after just a few seconds of operation.
What kind of drill do I need to use this bit?
The drill is equipped with a standard shank, which is adapted for classic chucks. It can be used with almost any standard electric or cordless drill. The only key is that the drill allows speed regulation (revolutions) and has the ability to completely turn off the impact function.
How to prevent the drill bit from slipping and scratching the tile when you start drilling?
Since the diamond core saw does not have a centering bit, we recommend that you start drilling at a 45-degree angle to create a starting groove, then slowly align the drill to 90 degrees while rotating. For even greater safety, you can use a dedicated drilling template with a suction cup or stick a piece of strong adhesive tape (e.g. crepe paper tape) to the drilling site, which will prevent the drill bit from slipping on the smooth surface of the tile.


Responsible persons:
GEKO - GEKO SPÓŁKA Z OGRANICZNĄ ODPOWIEDZIALNOŚCIA SPÓŁKA KOMANDYTOWA, ul. Spacerowa 3, 97-500 Kietlin, Poland, (+48) 446824004, geko@geko.pl
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

Instructions for using the product:
• Before use, check that the 10 mm diameter diamond core saw is undamaged and suitable for the drilling tool used.
• On the ceramic or stoneware, mark the exact center of where you want to drill the hole.
• Place the hole saw correctly in the tool and check that it is securely fastened.
• Ensure a constant supply of water to the drilling area, as the core saw is designed for wet cutting.
• Place the hole saw perpendicular to the surface and start drilling at the appropriate speed and without excessive pressure.
• Drill carefully in the initial phase to prevent the hole saw from slipping on a smooth surface.
• Ensure sufficient water cooling during drilling and do not allow the core saw to overheat.
• As you approach the material breakthrough, reduce pressure and carefully complete the opening.
• After finishing work, switch off and unplug the tool, then remove any remaining material and clean the hole saw.

Useful tips for work:
• Always check the position of the hole carefully before drilling and mark it with a suitable pen if necessary.
• For hard ceramics and stoneware, use even pressure and avoid jerky movements.
• Sufficient water is important for effective cooling and reducing dust formation.
• For smooth tiles, start slowly and carefully to prevent the tool from slipping.
• For accurate results, the insert must be stably supported while drilling.
• If possible, test on a scrap piece of the same material before final drilling.
• Do not use the impact drilling mode unless this is specifically permitted for the specific hole saw and tool used.

Warnings:
• The hole saw is intended for making holes with a diameter of 10 mm in hard ceramics, stoneware and other materials for which it is specifically suitable.
• The product is intended for wet cutting. When using water near a power tool, follow the tool manufacturer's safety instructions and use appropriate protection against electric shock.
• Always turn off the tool and disconnect it from the power supply before installing, removing or changing the hole saw.
• Use safety glasses or face protection and preferably hearing protection.
• Do not touch the hole saw immediately after use as it may be hot.
• Do not use a damaged or badly worn hole saw.
• Do not use excessive force as this may damage the tool, material or hole saw.
• Keep out of reach of children and unauthorized persons.

Same summary

The 10 mm diamond core bit is particularly suitable for those who occasionally or regularly perform precision drilling in very hard ceramic tiles or stoneware materials, where wet cutting is essential for a quality result. Its specialization for hard materials means reliable cuts, but the small diameter limits its use to smaller holes and is not a suitable choice for thicker or softer materials such as wood. The compromise between the tool's compactness and performance is well balanced for users looking for precision and clean cuts in more demanding environments, especially when renovating or laying ceramics.

Recommendation source: Enaa guides and team experiences.

User view

This type of saw is most often used by home craftsmen who drill into hard ceramics when renovating a bathroom, kitchen or laying floor tiles. In practice, it is also appreciated by smaller craftsmen and demanding hobby users, as it allows for clean holes for water pipes or electrical installations where regular saws are not effective. The advantage of wet cutting is significantly less dust and a more even cut, which is essential for sensitive surfaces.

When choosing, many users trust the Geko brand, known for its reliable and affordable tools for home and professional use.

Why buy at Enaa

At Enaa you will find a well-thought-out range of hole saws, where descriptions are tailored to the practical needs of home craftsmen and craftsmen, highlighting key features for safe and efficient use. Our online presentation provides detailed information that allows for a more confident and appropriate choice depending on the specific type of material and the intended work.

Answers to frequently asked questions

Is this diamond core saw suitable for drilling all types of tiles?

The saw is best suited for drilling into very hard ceramic tiles and stoneware materials where wet cutting is required; it will work on soft materials such as classic ceramics or glass, but is not optimized for them.

What does wet cutting mean and why is it recommended?

Wet cutting means you use water to cool the blade while you work, which reduces wear, prevents overheating, and reduces dust – especially important with harder materials like stoneware.

What is the maximum recommended material thickness for regular drilling with a 10 mm hole saw?

It is recommended to drill through tiles and materials up to approximately 10–15 mm thick, as thicker surfaces may cause material to build up on the saw and result in a less precise cut.

Can I use this saw with regular drills?

Before use, check that your drill allows the installation of core saws of the appropriate diameter and is suitable for working with water; this is especially recommended for models with a wet cutting function or well-protected electrical parts.

How do I maintain my diamond core saw for a longer lifespan?

After drilling, clean the saw under running water and check for any remaining material on the edges. Regular cleaning and cooling while working will extend the life of the diamond blade.

Description updated: April 2026