We guarantee clean cuts and diamond cutting discs of the highest quality. Stick to the application recommendations and you will achieve a long service life. These diamond-coated cutting discs can be used for a wide range of materials such as stoneware, marble, earthenware and many other areas.
Diamond Cutting Discs for Wet Cutting – Precision and Durability for Tilers
Diamond cutting discs for wet cutting are an essential tool for professional tilers who require precise, clean and material-efficient cuts on hard or sensitive construction materials. At the Karl Dahm online shop, you’ll find a wide range of high-quality wet cutting discs tailored specifically to the needs of the tiling trade. Whether you’re working with porcelain stoneware, natural stone, hard stone or granite – our discs deliver accurate results with maximum efficiency.
Why Wet Cutting? – Key Benefits at a Glance
During wet cutting, the disc is continuously cooled with water while cutting. This reduces friction, lowers the temperature and prevents chipping or cracking of the material. Additionally, dust development is minimised – an important advantage when working indoors.
Your benefits at a glance:
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Increased service life thanks to continuous cooling
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Chip-free edges – ideal for delicate tiles
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Less dust, improved safety on site
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Faster cutting due to reduced resistance
DNS Diamond Cutting Discs at a Glance
The Karl Dahm range includes numerous DNS diamond discs for wet cutting, each optimised for different materials and applications:
DNS 1 – The All-Rounder
Suitable for stoneware, natural stone and porcelain stoneware up to 10 mm.
Available diameters: Ø 180 mm, Ø 200 mm, Ø 230 mm, Ø 250 mm, Ø 300 mm, Ø 350 mm
DNS 5 – Turbo for Granite and Natural Stone
Turbo-rim design for fast cuts in hard materials.
Available diameters: Ø 200 mm, Ø 250 mm, Ø 300 mm, Ø 350 mm
DNS 6 – For Concrete
Special toothing for robust performance under tough conditions.
Available diameters: Ø 300 mm, Ø 350 mm, Ø 400 mm
DNS 9 – For Fireclay and Abrasive Materials
Low-vibration operation and high resistance to abrasion.
Available diameters: Ø 350 mm, Ø 400 mm
DNS 12 – For Very Hard Porcelain Stoneware
Designed for porcelain tiles up to 15 mm thick.
Available diameters: Ø 180 mm, Ø 200 mm, Ø 250 mm, Ø 300 mm, Ø 350 mm
DNS 13 Terr Ultra – For Patio Slabs and Hard Stone
Perfect for vitrified ceramic slabs up to 30 mm.
Available diameters: Ø 250 mm, Ø 300 mm, Ø 350 mm
DNS 14 Jolly Ultra – For Mitre Cuts
Blade thickness: 1.4 mm – ideal for clean mitre cuts. Diamond segment height: 25 mm. Bore: 24.4 mm.
Available diameters: Ø 200 mm, Ø 250 mm
DNS 15 Fine Cut – For Delicate Materials
Extra-thin for precision cuts in tiles and glazes.
Available diameters: Ø 200 mm, Ø 250 mm, Ø 300 mm
DNS 16 – The Granite Specialist
Developed for cutting all types of granite. High durability and powerful cutting performance.
Available diameters: Ø 300 mm, Ø 350 mm
Typical Applications
Wet-cutting diamond discs are especially suitable for:
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Porcelain tiles and floor slabs
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Natural stones such as marble, slate or travertine
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Hard stone and granite
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Concrete and fireclay
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Patio slabs and large-format tiles
Clean Cuts – Even with Intensive Use
Even the best cutting disc will wear over time or lose performance due to fine dust. With the Karl Dahm Diamond Sharpening Stone (Art. No. 20050), you can regenerate your wet cutting discs quickly and effectively. Simply run the disc dry through the sharpening stone – the diamonds are re-exposed, restoring cutting performance.
Your advantages:
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Quick reactivation of dull discs
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Suitable for both wet and dry cutting discs
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Saves costs by extending disc lifespan
Common Challenges – Our Solutions
Problem: Chipping on sensitive materials?
Solution: DNS 15 Fine Cut for ultra-fine precision cuts.
Problem: Uneven mitre cuts?
Solution: DNS 14 Jolly Ultra – 1.4 mm thin blade for crisp edges.
Problem: High wear when cutting hard stone?
Solution: DNS 13 Terr Ultra with reinforced segments for maximum durability.
Problem: Cutting fireclay or abrasive materials?
Solution: DNS 9 – built for extreme demands.
Problem: Disc worn out before the project ends?
Solution: Regular sharpening with the Diamond Sharpening Stone (Art. No. 20050).
Trust in Karl Dahm’s Experience
For over 65 years, Karl Dahm has supplied professional tilers and tradespeople with premium-grade tools. Our diamond cutting discs for wet cutting are the result of decades of practical experience and technical innovation.
All products are tested in real-world conditions, in stock and ready to ship – so you can get started without delay. Our expert advisors are available to help with any questions.
Order your wet cutting diamond discs online today and benefit from unmatched precision and quality!
FAQ on Diamond Cutting Blades for Wet Cutting – Selection, Use & Professional Tips
What is wet cutting particularly suitable for?
Wet cutting is ideal for hard or sensitive materials such as porcelain stoneware, natural stone and marble, as the water cooling prevents cracks and chipping.
During wet cutting with diamond blades, water cools and rinses the cutting zone. This reduces heat stress, prevents cracks, edge chipping and breakout, and ensures a clean cut finish on porcelain stoneware, natural stone, granite, marble and ceramic tiles. In addition, the water binds dust and increases the service life of the blade – a clear advantage compared to dry cutting on delicate materials.
Can I use wet cutting blades dry?
No, wet-cut blades must be used with water – dry operation leads to overheating and can cause damage or safety hazards.
Diamond wet cutting discs are designed specifically for water cooling. Without water, friction increases, the bond glazes, the diamonds become clogged, and overheating or deformation may occur – in extreme cases even blade failure. For applications without water, always choose a dry cutting blade.
How do I know if my cutting blade has become dull?
Reduced cutting performance, increased sparks and rough or chipped edges are typical signs of a dull diamond blade.
If cutting becomes slower, requires more pressure, shows unusual sparks or produces uneven or chipped edges, the blade is likely dull or glazed. Vibration, discoloration from heat and increased noise are further indicators that resharpening is required.
What should I do if my blade is dull?
Use the Diamond Sharpening Stone (Art. No. 20050) to expose fresh diamond grit and restore cutting performance.
Make 2–3 light cuts into the Diamond Sharpening Stone (Art. No. 20050). This opens the bond matrix, exposes new diamond edges and increases the cutting speed again. Regular sharpening prevents unnecessary wear, improves cooling efficiency, and increases overall service life.
Which blade is suitable for mitre cuts?
For precise mitre cuts, we recommend the DNS 14 Jolly Ultra (Art. No. 50541/50542).
The DNS 14 Jolly Ultra is engineered specifically for 45° mitre (Jolly) cuts in porcelain stoneware, marble and natural stone. Its blade geometry ensures superb edge quality, reduced chipping and stable blade guidance during beveling – ideal for professional finishing.
Is there a blade for extra-fine cuts?
Yes – the DNS 15 Fine Cut delivers extremely clean, precise cuts in delicate materials.
The DNS 15 Fine Cut features a thin core blade structure and a finely tuned diamond grit blend. This achieves minimal cutting width, maximum edge precision and reduced chipping on thin porcelain tiles, glazed ceramics, natural stone and marble – perfect for visible edges and fine fitting work.
How can I extend the service life of my cutting blade?
Use the right blade, correct speed, sufficient water cooling, low feed pressure, and regular sharpening.
Choose the blade suitable for the material (e.g. DNS 13 Terr Ultra for hard stone), ensure correct RPM, and provide continuous water flow. Avoid side pressure, work with steady feed movement, and regularly use the Diamond Sharpening Stone (Art. No. 20050). Check flange condition, running direction and blade alignment to maximize performance and lifespan.
Which blade is recommended for granite or hard stone?
The DNS 13 Terr Ultra (e.g. Art. No. 50044) is ideal for granite and other hard stone materials.
Granite, basalt and similar hard stones require a blade with high-strength bonding and robust diamond segments. The DNS 13 Terr Ultra is optimized for hard stone, providing fast cutting, stable tracking and long service life when used with continuous water cooling – particularly suitable for bridge saws and professional tile saws.
How often can I sharpen a cutting blade?
The Diamond Sharpening Stone allows hundreds of sharpening cycles, depending on blade condition.
The frequency depends on material hardness, usage intensity and the bond characteristics of the blade. In practice, the Sharpening Stone (Art. No. 20050) can be used hundreds of times. Sharpen the blade when performance drops, not when severely worn – this maintains open segments, saves time, and extends blade lifespan.
Is personal consultation available?
Yes – we offer personal advice at +49 8667 878-0 or info@dahm-werkzeuge.de.
Our expert team supports you in selecting the right diamond cutting blade for your wet cutting application, checks machine compatibility, recommends material-specific solutions, and provides practical usage guidance. Contact us at +49 8667 878-0 or info@dahm-werkzeuge.de for professional support.
Karl Dahm – Tools that make the difference.
