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Drill Bits for Glass, Ceramics and Tiles

124 products · Drill Bits, Cutters and Inserts

Drilling tiles, porcelain stoneware, ceramic and glass requires different tools from those used for masonry or metal: bits and cutters with a diamond or carbide insert, which score the hard surface without chipping it. Here you will find drill bits, hole cutters and diamond cutters from Fervi, Rubi, DeWalt, Breaker, Milwaukee, Unifix and Fischer.

Types available in the collection

  • Diamond core bits: continuous rim, for medium and large holes in tiles and stoneware.
  • Diamond cutters: with a fitting for a drill or an M14 fitting for an angle grinder, dry or wet.
  • Tile and glass drill bits: with spear point, for small-diameter holes, and assorted sets.
  • Circle cutters and adjustable hole cutters: to cut circular holes of adjustable diameter.

How to choose

First consider the material to be drilled: porcelain and glass require specific tools and gentle drilling. Then the diameter of the hole and the machine available, drill, core drill or angle grinder, which determines the fitting. Wet-use bits need a cooling system.

Describe the material and hole diameters to us: we will prepare a tailored quotation.

How to choose tile and glass bits: spear-point or diamond?
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Frequently asked questions: Drill Bits for Glass, Ceramics and Tiles
Which bit drills tiles without chipping them?

For tiles, porcelain stoneware and ceramic, use bits or cutters with a diamond or carbide insert, which score the surface without chipping it. The collection includes diamond cup bits, diamond cutters and stoneware drills, such as the ORO stoneware drills and the Unifix diamond core bit for stoneware. Start at low speed and with light pressure.

Dry or wet drilling for tiles?

Wet drilling cools the bit, reduces dust and extends the life of the tool, and is preferred for medium and large holes. Dry drilling is quicker and more practical when water cannot be used, but it produces more dust and heat. The collection includes Raimondi diamond drills for dry drilling and Raimondi wet drills.

How do you drill porcelain stoneware without cracking it?

Porcelain stoneware is hard and dense, so use a diamond drill with water, at low speed and with steady pressure. Drill in two steps: first with a centring bit or pilot hole, then with the bit of the final diameter. If the tile is already fitted, apply masking tape at the drilling point to stop the bit slipping.

How do you drill glass without breaking it?

For glass, use specific bits, such as the 5-piece glass and ceramic set, which must stay sharp and clean. Work at low speed, with light pressure, and cool with water or cutting oil. Place the glass on a flat surface and secure it well, because an unstable support is the most frequent cause of breakage.

Rubi diamond cutters for wet cutting: when?

Rubi diamond cutters for wet cutting, such as the Easygres, are used to cut or work tiles and stoneware with cooling water, without overheating the material. For dry cutting there are dedicated cutters. Choose the cutter according to the machine fitting: a drill-type shank or an M14 thread for an angle grinder.

When to use Milwaukee Diamond Plus or Diamond Max?

Milwaukee Diamond Plus bits are used dry or wet, while Milwaukee Diamond Max bits are diamond bits designed for dry work. The criterion is the type of job: wet for large, cleaner holes with less heat; dry for quick jobs where water cannot be used. Always check the product data sheet.

Who uses these bits and for which jobs?

These bits are used by tilers, floor fitters, plumbers and installers for holes in tiles, stoneware, ceramic and glass. They are needed for pipe and waste passages, holes for taps and sanitaryware, and fixing shelves or mirrors to tiling. The drill bit set is useful for renovation work, where several diameters are needed.