16mm Diamond core saw for hard ceramic stoneware (wet cutting)
Are you looking for a professional, reliable and extremely precise tool for drilling holes in the hardest materials? The 16mm Diamond Core Saw for Hard Ceramics is a premium tool designed for wet cutting, ensuring clean, crack-free cuts. Whether you are a professional tiler or a demanding DIYer, this diamond drill bit makes it easy and smooth to work on difficult surfaces such as stoneware, porcelain, granite and marble.
Thanks to the advanced technology of vacuum-brazed diamond grains and the robust steel housing, this hole saw can tackle even the toughest ceramic tiles. Forget about damaged material and inefficient work - with proper water cooling, you will achieve professional results quickly and without too much effort.
Why choose a 16mm diamond core saw for wet cutting?
Classic drill bits often fail in modern, extremely hard materials such as stoneware or granite. Our 16mm diamond core bit (SKU: G65016 / AW47256) has been developed to solve this problem. The high-quality diamond segments allow for fast penetration through the material, while the thin wall design of the drill bit reduces friction and prevents overheating.
Compatibility is a key advantage of this product. The drill bit is equipped with a standard cylindrical shank, which means it can be easily mounted on most standard electric or cordless drills with a chuck. You don't need expensive specialized equipment to get started - just your existing drill and some water for cooling.
Key product features and benefits

Top-notch diamond technology: The steel housing with vacuum-brazed diamond grain (grain height 5 mm) ensures an extremely long service life and high cutting performance.
Clean cuts without damage: Designed for precise and smooth cutting without chipping edges or cracking the ceramic surface.
Efficient material removal: A convenient side hole on the housing allows for quick and easy removal of the drilled core and prevents the drill bit from clogging.
Universal use: The perfect tool for drilling into stoneware, porcelain, ceramics, tiles, natural stone, granite and marble.
Wide compatibility: The cylindrical shank allows use with most standard drills with a chuck (drilling without impact).
Lightweight and convenient design: Weighing only 0.041 kg, it allows maximum control and precision when working.

Technical data and specifications
This diamond core saw is manufactured to the highest quality standards, as confirmed by its technical specifications:

Drill bit diameter: 16 mm
Diamond grain height: 5 mm
Case material: High-quality steel with vacuum-brazed diamond coating
Operating mode: Wet cutting (mandatory use of water for cooling)
Drilling method: No impact
Maximum speed: 3000 rpm
Shank type: Cylindrical (for drills with chuck)
Weight: 0.041 kg
Color: Random (depending on the delivery batch)
Product code (SKU): G65016 or AW47256

Instructions for optimal use and longer life
To achieve the best results and extend the life of your 16mm diamond core saw, follow these steps:

Preparation: Clamp the drill bit in the drill with the chuck. Make sure that the impact function on the drill is turned off. Drilling must be done exclusively in rotation mode.
Water cooling: Since this is a wet cutting drill bit, be sure to use water while working. The water cools the diamond segments, washes away dust, and drastically extends the life of the tool.
Starting to drill: Start drilling at an angle of about 45 degrees to prevent the drill bit from slipping on the smooth surface of the tile. Once you have created a small groove, slowly bring the drill bit to a vertical position (90 degrees) and continue in a gentle circular motion.
Pressure and speed: Do not press too hard. Let the diamond grain do its work. Adjust the drilling speed to the material, but do not exceed the maximum of 3000 revolutions per minute.

Video demonstration of the use of diamond core saws
Watch practical videos that demonstrate the correct drilling technique and the exceptional efficiency of diamond drill bits when working with hard materials:

Watch a video demonstration of how to use a drill - Part 1
Watch a video demonstration of how to use a drill - Part 2
Watch a video demonstration of how to use a drill - Part 3

Frequently Asked Questions (FAQ)
1. Can I use this core saw for dry drilling?
No, this 16mm diamond core bit is designed for wet cutting only. The use of water for cooling is essential as it prevents the diamond grain from overheating, ensures a cleaner cut and significantly extends the life of the drill bit. Dry drilling can permanently damage the diamond coating.
2. What drill can I install this bit on?
The drill bit has a standard cylindrical shank, which means it is fully compatible with most common electric and cordless drills that have a classic chuck. When working, you must turn off the impact function of the drill.
3. For which materials is this diamond core saw best suited?
This drill bit is ideal for drilling into very hard materials such as gres (porcelain red or grey ceramic), classic ceramic tiles, natural stone, granite, marble and stoneware. Its 16mm dimension makes it great for making smaller holes, for example for pipes or stronger anchors.


Responsible persons:
AWTOOLS - AW-Narzędzia Walenty Androsiuk sp.k., Magazynowa 4, 15-399 Białystok, biuro@aw-narzedzia.com.pl, +48607154410
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

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:
• Prepare the cutting machine: Check that the cutting machine is in good condition and working properly. Make sure the cutting surface is clean and dry.
• Install the saw: Remove the existing blade and install the 16mm diamond core saw on the cutting machine. Make sure the saw is properly installed and securely fastened.
• Prepare water: Prepare a container of water and place it near the cutting machine. The water will keep the blade cool and reduce dust during cutting.
• Protect yourself: Wear appropriate protective equipment, including safety glasses, gloves, and a dust mask, before starting to cut.
• Start cutting: Turn on the cutting machine and slowly start cutting the hard ceramic or porcelain tiles. Be sure to maintain a steady speed and pressure while cutting.
• Use water: Regularly water the cutting surface while cutting. This will keep the blade cool and reduce dust.
• Control the cut: Pay attention to the cut and ensure that the cutting surface is always in contact with the blade. Be careful not to apply too much pressure to avoid damaging the saw or the surface you are cutting.
• Finish cutting: When you are finished cutting, turn off the cutting machine and wait for the blade to come to a complete stop before removing it.

Useful tips for work:
• Before cutting hard ceramic or porcelain tiles, make sure the cutting surface is clean and dry. The presence of dirt or moisture can affect the cutting results.
• Regularly spray the cutting surface with water while cutting. This will keep the blade cool and reduce dust, which will improve cutting results.
• Use appropriate protective equipment, including safety glasses, gloves, and a dust mask. This will protect your eyes, hands, and respiratory tract from possible injury or irritation.
• Before starting cutting, make sure that the cutting machine is in good condition and working properly. Regular maintenance and cleaning of the cutting machine will extend its life and ensure better cutting results.

Warnings:
• The product is intended for drilling holes with a diameter of 16 mm in hard ceramics, stoneware and similar suitable materials.
• When wet cutting, use only power tools and power connectors that are suitable for working in the presence of water, and follow all instructions from the tool manufacturer.
• Always switch off the tool and disconnect it from the power supply before changing or removing the hole saw.
• Wear safety glasses or appropriate face protection and hearing protection while working.
• Sharp ceramic particles may be generated during operation. Use appropriate personal protective equipment.
• Do not use the hole saw on materials for which it is not intended.
• Do not use a damaged, deformed or severely worn hole saw.
• Do not touch the hole saw immediately after use as it may be very hot.
• Do not allow children to use the product.

Same summary

The 16mm diamond core saw for hard ceramic and porcelain tiles is designed for those looking for a precise tool for wet cutting of harder tiles and coverings in the home environment or occasional project. The compact size allows for use in smaller spaces and for detailed cutouts, which is especially practical for bathroom renovations or small construction works. Due to its narrow diameter, it is suitable for smaller openings and installations, but less so for processing larger holes or larger series of cuts. It should be noted that for very thick or extremely hard tiles, the appropriate pressure and technique will need to be used and cutting gradually.

Recommendation source: Enaa guides and team experiences.

User view

This type of diamond core saw is often the choice of home craftsmen who are laying ceramic tiles in the kitchen or bathroom, as well as those who occasionally need a reliable and precise cut for minor repairs or installing switches. In practice, it is convenient where a clean opening without chipping the material is important, for example when installing water pipes or electrical installations through hard stoneware.

Users who swear by Awtools tools usually appreciate reliability and consistent quality, which is especially important for accurate results and less worry when cutting more demanding materials.

Why buy at Enaa

At Enaa, you will find a carefully selected range of hole saws with clearly presented information on compatibility and intended use, making it easier for even less experienced users to make a decision. Many users appreciate our professional support and detailed descriptions, as this makes it easier to choose the tool that meets their actual needs.

Answers to frequently asked questions

Is this hole saw also suitable for very thick porcelain tiles?

Due to its smaller diameter, the saw is most effective with standard tile thicknesses; for very thick tiles, it is recommended to use several gradual passes for the best possible result.

How do I maintain my diamond saw after cutting hard ceramics?

After finishing work, we recommend rinsing thoroughly with water to remove any remaining dust and debris from the cutting surface and extend the life of the saw.

Can I use this saw to cut other materials besides ceramics?

The saw is primarily designed for hard ceramics and stoneware, but in principle it is also suitable for some types of thin glass mosaic or less hard materials, although it provides optimal results with ceramics.

What tools are best suited for using this hole saw?

The diamond core saw is compatible with electric drills or wet cutting machines, but it is important that the appropriate rotation speed and water cooling are ensured.

What should I consider when choosing the diameter of a hole saw?

When choosing, the main criteria are the planned opening size and the material you want to process - a diameter of 16 mm is particularly suitable for smaller installations or more detailed assemblies.

Description updated: April 2026