FAQs

Diamond Blade Basics

What is a diamond blade?

A diamond blade is a cutting tool with diamond segments bonded to the edge of a steel core. Unlike conventional abrasive blades, diamond blades cut through hard materials by grinding rather than chipping — delivering cleaner cuts and longer tool life. They're used for tile, stone, concrete, masonry, and more.

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What materials can be cut with a diamond blade?

Diamond blades can cut porcelain tile, ceramic tile, natural stone (granite, marble, travertine), concrete, brick, and masonry. The right blade depends on the material's hardness and density — using the wrong blade leads to poor cuts and premature wear.

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Why are there holes in the blade body?

The slots and holes in a diamond blade body serve two purposes: they allow heat to escape during cutting (preventing overheating and warping), and they reduce vibration for a smoother, more controlled cut. Blade geometry is engineered — not decorative.

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Choosing the Right Blade

Which diamond blade should I use for porcelain or ceramic tile?

Porcelain and ceramic are dense, brittle materials that require a thin, fine-segment blade to prevent chipping. Look for blades specifically rated for porcelain — general-purpose or concrete blades will chip the glaze and produce rough edges.

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Can a diamond blade cut steel?

Standard diamond blades are not designed for cutting steel — the metal's ductility clogs the diamond segments and causes rapid wear or blade failure. For steel, use an abrasive metal-cutting disc. Some specialty blades exist for thin sheet metal, but they are not interchangeable with masonry or tile blades.

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Wet vs. Dry Cutting

Should I cut wet or dry?

Wet cutting uses water to cool the blade and suppress dust — it extends blade life and produces cleaner cuts, especially on dense materials like granite or thick porcelain. Dry cutting is faster to set up and works well for intermittent cuts on softer materials, but generates more heat and dust. Always check your blade's rating before dry cutting.

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Can you dry cut wet concrete?

Technically yes, but it comes with trade-offs: increased blade wear, more heat buildup, and significantly more silica dust — a serious health hazard. If you must dry cut, use short passes and allow cooling time between cuts. Wet cutting is always the safer and more blade-friendly option for concrete.

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Still Have Questions?

Use our Blade Finder to get a personalized recommendation, or contact us directly — we're happy to help you choose the right tool for your job.