Diamond milling bits

Diamond milling bits are precision tools for routing holes and recesses in hard materials. With diameters from 2 mm to 75 mm they cover a broad spectrum of applications, from fine detail work on tiles to enlarging existing holes in concrete or masonry. The diamond coating ensures a long-lasting cutting edge that handles even the hardest substrates with ease.

When to choose a milling bit

A milling bit is the right tool when a standard drill bit cannot produce the shape you need. Think conical holes, angled recesses or material removal around an existing penetration. Milling bits also excel at trimming edges and reopening clogged drill holes. The key difference from a conventional drill bit is lateral cutting ability: a milling bit cuts both axially and radially, giving you far more freedom of shape.

Material and application

For tiles and ceramics, choose a milling bit with a fine diamond grit that leaves a smooth edge. For concrete and masonry a coarser coating works better because you need to remove more material in less time. Pay attention to the shank diameter — most milling bits fit a standard drill or a straight grinder, but always verify your machine's specs. Running the correct RPM prevents overheating and preserves the bit's service life.

Professional tooling for the skilled trades

Small-diameter milling bits below 10 mm are particularly popular for perforating tiles, creating starter holes for jigsaw work and milling precise tap openings in bathroom and kitchen settings.

Our diamond milling bits are selected for professionals who work with hard materials daily. They deliver consistent cutting performance and outlast conventional carbide milling bits by a wide margin. Order online and take advantage of our advice when choosing the right diameter and grit size for your specific application. Fast shipping means your project keeps moving without delay. Contact us if you need guidance on the right milling bit diameter and grit for your project — our team advises professionals daily.