Continuous turbo-x rim diamond blade for porcelain, marble, granite, ceramic and natural stone. Ultra-thin kerf, 10mm segment height, hardened and tempered body. Suitable for dry and wet cutting, with best results wet. Available in 115mm, 230mm and 300mm.
Size
Price
QTY
300mm x 20mm
£53.92£64.70
115mm x 22mm
£9.93£11.92
230mm x 22mm
£29.34£35.21
The Dart Red ULTRA XT-10 porcelain diamond blade is built for demanding tile cutting work where chip-free results actually matter. With a continuous turbo-x rim profile, it delivers smooth, clean cuts through hard tiles without the ragged edges that slower blades tend to leave behind. The body is hardened and tempered throughout, which keeps it running true even under sustained use on a job site.
The ultra-thin kerf is one of the more practical features here. Less material removed per cut means less resistance on the motor, which is particularly useful if you are running a cordless angle grinder. Battery tools work harder than they look, and a blade that eats less power keeps you cutting for longer between charges. Simple, but it makes a real difference across a long tiling day.
Where the Dart Red ULTRA XT-10 Proves Its Worth
Porcelain is unforgiving. It is dense, hard, and chips at the slightest provocation if the blade is not up to it. The XT-10 is designed with a 10mm segment height, which gives a longer effective cutting life before the blade is spent. That extra height means you get more cuts per blade before you are reaching into the van for a replacement.
The reinforced flange adds to the overall durability, reducing vibration and helping maintain accuracy on longer cuts. Whether you are cutting down large format porcelain tiles or profiling natural stone, the blade holds its line well throughout. It handles marble and granite too, which is worth knowing if your jobs are not always straightforward rectified porcelain.
Wet or Dry Cutting
The XT-10 is rated for both dry and wet cutting. Wet cutting is where it performs best, keeping the blade cool and extending its working life while also controlling dust. Dry cutting is fine for occasional use, though if you are going through a volume of hard tiles in one session, running water is the sensible option. Available in 115mm, 230mm and 300mm to suit different machines and job requirements.
Pro Tip: For large format porcelain over 600mm, score the cut line with a few light wet passes before committing to a full-depth cut in one go, this reduces the risk of the blade grabbing and protects the tile edge.
The Dart Red ULTRA XT-10 is the sort of blade you reach for when the tiles on the job are expensive and you cannot afford a single chip. It is used primarily by floor and wall tilers working with hard materials including porcelain, marble, granite, ceramic and natural stone. It suits both wet bench saws and handheld angle grinders depending on the size selected, making it a practical choice across different working setups. Professional tilers, bathroom fitters and stone workers all find a use for it, particularly on commercial contracts where material quality demands a better standard of cut.
Best For
Porcelain tiles
Marble and granite
Ceramic tiles
Natural stone
Large format tile cutting
Wet bench saw and angle grinder use
Available In
115mm x 22mm bore
230mm x 22mm bore
300mm x 20mm bore
Key Features
Continuous turbo-x rim profile
10mm segment height for extended life
Ultra-thin kerf reduces motor load
Hardened and tempered body
Reinforced flange for durability
Suitable for wet and dry cutting
Optimum performance when used wet
Not suitable for: Not suitable for cutting materials such as concrete blocks, brick, or abrasive masonry. This blade is designed specifically for hard dense tiles and stone, not general construction cutting.
Fit the correct blade size to your machine, ensuring the bore matches your spindle and the blade guard is properly in place. For wet cutting, set your water feed running before you start. Begin each cut at a steady, controlled feed rate without forcing the blade through the material.
For dry cutting, work in shorter passes and allow the blade to cool periodically. Do not hold the blade stationary against the tile under power, keep it moving at all times. On hard porcelain, a consistent feed pressure produces a cleaner edge than rushing the cut.
Check the blade bore matches your machine spindle before fitting.
Mount the blade securely, ensuring the rotation arrow on the blade matches the direction of your machine.
For wet cutting, connect or position your water supply so the blade is continuously cooled throughout the cut.
Mark your cut line clearly on the tile before starting.
Start the machine and allow the blade to reach full speed before bringing it into contact with the tile.
Feed the blade into the tile at a steady, consistent rate without forcing it.
Keep the blade moving at all times once in contact with the tile.
For dry cutting, make shorter passes and lift the blade clear periodically to allow cooling.
After use, check the blade for any signs of damage or wear before storing.
Can the Dart Red ULTRA XT-10 be used on a standard angle grinder?
Yes. The 115mm and 230mm sizes are both designed for use on angle grinders with the appropriate bore size. The 115mm suits a 4.5 inch grinder and the 230mm suits a 9 inch grinder. Just ensure your machine can accept the correct bore and that the blade guard is fitted.
Is wet cutting always required, or is dry cutting acceptable?
The blade is rated for both. Dry cutting is fine for lighter, occasional use. For any sustained cutting session, particularly through hard porcelain or granite, wet cutting is strongly recommended. It keeps the blade cooler, extends its working life, and helps control silica dust, which is a serious health concern with hard stone tiles.
What does the 10mm segment height actually mean in practice?
Segment height refers to the depth of the diamond-bearing section above the steel core. A 10mm segment height is on the generous side for a tile blade, which means more usable diamond material before the blade is worn out. In practical terms, you should get a longer working life from the XT-10 compared to cheaper blades with shallower segments.
The XT-10 uses a continuous turbo-x rim configuration, where the serrated turbo profile increases airflow and cutting speed while the continuous edge maintains surface quality on brittle materials. The steel body is hardened and tempered to resist distortion under heat and lateral load. The ultra-thin kerf reduces cutting resistance, and the reinforced flange helps control vibration throughout the blade's working life. Designed for use with both wet and dry cutting machines.
Available Sizes
115mm x 22mm, 230mm x 22mm, 300mm x 20mm
Segment Height
10mm
Rim Type
Continuous turbo-x
Cutting Method
Wet and dry
Recommended Use
Porcelain, marble, granite, ceramic, natural stone
Body Construction
Hardened and tempered steel
Flange
Reinforced
Size
300mm x 20mm, 115mm x 22mm, 230mm x 22mm
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