Ceramic Block Diamond Blades

Diamond blades for ceramic hollow blocks — how they differ from concrete blades

A diamond blade for ceramic hollow blocks is a cutting disc with a metal-diamond sintered rim, matched to a ceramic hollow block — a fired clay wall block (e.g. Porotherm type), lighter and more porous than concrete, but also more brittle and prone to edge chipping. The cutting principle is the same as with concrete blades — diamond grinds the material away rather than cutting it with teeth — but the segment geometry is gentler and finer, so it doesn't tear fragments out of the porous block structure. A blade meant for concrete more often frays the edge than cuts it cleanly when used on ceramic building material.

In the NORWIT.PL range, blades for ceramic hollow blocks are offered primarily by Tyrolit, alongside Nozar and Norton Clipper, in continuous and segmented construction. The full range of diamond blades for other materials is available in the diamond blades category.

Types of blades for ceramic hollow blocks — continuous, segmented or turbo

The rim construction determines edge quality and cutting speed on ceramic hollow block. A continuous blade (smooth, with a full diamond rim and no gaps) cuts the cleanest and slowest — it suits trims visible on a facade or around window openings. A segmented blade has a rim split by gullets that carry away heat and dust, so it cuts faster but leaves a thicker, rougher edge. A turbo blade combines both traits with a wavy, continuous segment edge and works well for general-purpose, handheld cutting with an angle grinder.

If you also cut concrete, asphalt or tiles besides ceramic hollow blocks, the full selection sorted by material is available in the parent diamond blades category.

Choosing diameter to match the tool — angle grinder or table saw

Blade diameter determines which tool it can be mounted on and what scope of work it can handle. Smaller blades, 115–230 mm, are mounted on angle grinders for handheld, point cutting. Larger blades, 300–500 mm, are made for table saws and block cutting machines, where entire wall blocks are cut in series — an example is the Nozar Spezial 400 mm.

Blade diameter has to match the size the tool manufacturer allows — a larger blade should never be mounted on a smaller machine, because it exceeds the segment's safe peripheral speed.

Dry or wet cutting — how to avoid chipping in brittle ceramic

Segmented and turbo blades for ceramic hollow blocks usually run dry, provided you keep breaks of around 20–30 seconds of cutting to let the segment cool in the air — continuous cutting without breaks risks overheating the bond and losing diamond prematurely. Continuous (smooth) blades more often call for wet cutting, because water cools the full rim and washes away ceramic dust, additionally limiting microcracks at the block's edge. The correct cutting method is always stated by the manufacturer on the blade label.

Brands of diamond blades for ceramic hollow blocks at NORWIT.PL

At NORWIT.PL we stock blades for ceramic hollow blocks primarily from Tyrolit, alongside Nozar and Norton Clipper. Each of these brands offers both continuous and segmented blades, in diameters matched to angle grinders and table saws. Specific parameters — segment thickness, rim height, maximum rpm — can be checked on each product page.

Frequently asked questions about diamond blades for ceramic hollow blocks

Why buy a blade for ceramic hollow blocks at NORWIT.PL

We match blades for ceramic hollow blocks to the material, not just the diameter — a different segment geometry than concrete blades limits chipping when cutting brittle ceramic building material. The range includes Tyrolit, Nozar and Norton Clipper blades in continuous and segmented versions. The full range of diamond blades for other materials is available in the diamond blades category. Orders are fulfilled online, with delivery across the country.