Hardtwerk Diamond Drill Bit for Tiles – Precision Set for Clean Holes in Tiles
The Hardtwerk Diamond Drill Bit for Tiles set contains four dry-drill bits with straight shank for ceramic tiles and porcelain stoneware. The diamond coating ensures clean, chip-free holes without pre-drilling.
Four bits (6, 8, 10, 12 mm) cover the most common diameters for faucets, wall plugs and cable feeds.
Dry diamond drill bits allow dust-free work without cooling water – ideal for quick installations.
Straight shank provides a firm grip in any standard drill chuck and prevents slipping.
24 months manufacturer warranty provide long-term investment security with regular use.
What sets the Hardtwerk Diamond Drill Bit Set apart
Unlike simple carbide bits, the diamond coating cuts even hard tiles and creates clean edges without chipping. The set is ready to use – no pre-drilling or wet drilling required.
Ideal for...
DIY enthusiasts, tilers and electricians who need precise holes in wall and floor tiles. Particularly suitable for installing sockets, water connections and pipe penetrations in bathrooms and kitchens.
How to use the Hardtwerk Diamond Drill Bit Set
Insert the bit into a corded or cordless drill chuck. Work at low to medium speed (approx. 300–500 RPM) without applying heavy pressure. For optimal cooling and bit life, pull back every 10–15 seconds. Clean the bit after use and store dry.
Hardtwerk is a brand of drilling and tool accessories. Its range includes diamond drill bits for tiles, suitable for both DIY enthusiasts and professionals. The products are characterised by practical sets and thoughtful details such as straight shanks.
It is a set of four diamond dry drill bits for tiles, with diameters of 6, 8, 10 and 12 mm. Each bit has a straight shank and is designed for ceramic tiles and porcelain stoneware.
The set is specifically designed for ceramic tiles, porcelain stoneware, porcelain tiles and glazed tiles. It can also be used for other hard, brittle materials such as natural stone, but not for steel or wood.
The set contains bits of 6 mm, 8 mm, 10 mm and 12 mm diameter. These cover the most common sizes for faucets, wall plugs and cable feeds.
The delivery includes four diamond dry drill bits (6/8/10/12 mm) in a practical storage box. No additional accessories such as a centering guide or coolant are included.
The manufacturer Hardtwerk grants 24 months warranty on the set. The warranty covers material and manufacturing defects, but not wear due to improper use.
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