Tyrolit diamond tile drill bits for tiles, porcelain stoneware and ceramics – wet or dry, sold individually or in sets. Clean drill holes without chipping guaranteed.
Whether for plumbing, electrical work or tiling projects: anyone who needs clean, chip-free drill holes in hard and brittle surfaces simply cannot do without a high-quality diamond tile drill bit. The Tyrolit range includes vacuum-brazed diamond core bits for all common ceramic materials – from simple ceramic tiles through to porcelain stoneware and porcelain, right up to marble and granite. The drill bits are designed for professional use on construction sites and in the plumbing sector, and can be fitted to all standard drills, cordless screwdrivers and angle grinders.
Tyrolit offers three types of tile drill bits, which differ in terms of cooling method and application. WDT tile drill bits are designed for wet drilling: Clean water provides optimum cooling for the vacuum-brazed diamond drill bit and ensures particularly precise drill holes without chipping – recommended for very hard materials and machines operating at high speeds (> 2,000 rpm). DDT tile drill bits operate dry and are suitable for use wherever there is no water supply available. DDT PARAFFIN Tile Drill Bits combine convenient dry drilling with an integrated paraffin filling: the wax melts during the drilling process and cools the drill bit from the inside – remove the drill core immediately after drilling to prevent overheating.
All three types – WDT, DDT and DDT PARAFFIN – are suitable for all types of ceramic tiles, porcelain, porcelain stoneware and marble slabs suitable. Porcelain stoneware poses particular challenges due to its high density: WDT wet drill bits with high rotational speeds are recommended here for maximum cutting performance and chip-free edges. Marble and natural stone are susceptible to cracking – here too, the wet drilling method excels thanks to its uniform cooling. The following applies to all materials: the vacuum-brazed diamond segments of Tyrolit tile drill bits are specially designed to meet the requirements of brittle, hard surfaces.
The range covers diameters from Ø 5 mm to Ø 82 mm, thus covering virtually every drilling application in the tiling and plumbing sectors. Small diameters from Ø 5 mm are suitable for electrical installations and cable penetrations; medium sizes around Ø 20–35 mm for fittings cut-outs and pipe penetrations; and large drill bits up to Ø 82 mm for drains and flush-mounted sockets. WDT wet drill bits are available in HEX versions from Ø 5–16 mm; DDT and DDT PARAFFIN dry drill bits are available in HEX versions from Ø 5–14 mm and in M14 versions from Ø 6 mm to Ø 82 mm.
The choice of connection depends on the machine in use. HEX shank (1/4 inch): Suitable for high-speed drills and cordless screwdrivers – ideal for WDT wet drill bits and small DDT types up to Ø 16 mm. M14 shank: Suitable for all standard angle grinders and drills with an M14 thread – used with DDT and DDT PARAFFIN from Ø 6 mm and with the large core bits ranging from Ø 20–82 mm. The WDT and DDT Tile Drilling Set XL covers both connection types in a single set, ensuring you are equipped for virtually any combination of machinery on the building site.
The key difference compared to standard masonry drill bits lies in the cutting material and the bonding technique. In Tyrolit tile drill bits, the diamond segments are vacuum-brazed – meaning they are bonded directly to the steel body under vacuum. This bond is highly durable, distributes the cutting forces evenly and prevents individual segments from breaking off, even when working with hard, brittle materials such as porcelain stoneware or porcelain. The result: precise, clean borehole walls, easy core extraction and a significantly longer service life compared to sintered or welded alternatives.
The WDT and DDT Tile Drilling Set XL (Part number 34245899) is the most comprehensive solution for professionals who want to be prepared for any situation: It combines WDT wet drill bits (HEX, Ø 5–75 mm) and DDT dry drill bits (M14, Ø 20–75 mm), including centre drill bits, a SW19 open-ended spanner, an Allen key, a water bottle and a drilling guide. The DDT PARAFFIN Tile Drill Bits prove to be a clever solution for construction sites without a water supply: the paraffin filling provides automatic cooling – no separate coolant is required.
Tyrolit develops and manufactures Diamond tools since 1919 and is one of the world’s leading system providers in the Core drilling sector. The range of tile drill bits is the result of in-house development: the specifications of the WDT, DDT and DDT PARAFFIN types have each been specifically optimised for the requirements of water-cooled and waterless tile drilling – not a one-size-fits-all product, but a tool-specific design. With over 80,000 standard products, more than 500 patents and a presence in over 140 countries, Tyrolit stands for availability, on-time delivery and application expertise that goes beyond the point of purchase.
