Erbauer Diamond Tile Drill Bit 30 x 8mm Product Code: 51886

Long life, fine diamond grit for a professional quality finish without chipping tiles. Easy to maintain, self-cooling and self-sharpening grit. Suitable for dry and wet cutting.


  • Self-Cooling
  • Self-Sharpening
  • Fast Drilling Speed
  • Use on Full Speed for Best Results & Longer Life
  • No Need for Water


Diameter: 30mm.
Additional Information
Technical Specification
  • Brand : Erbauer
  • Product Height : 30 mm
  • Product Length : 8 mm
  • Product Thickness : 30 mm
  • Product Type : Diamond Tile Drill Bit
  • Total Product Weight : 0.11 kg
  • Product Width : 30 mm
  • Product Depth : 0.03 mm
  • Pack Size : 1
  • Product Diameter : 30 mm
  • Manufacturer Guarantee : 1 Year Guarantee
  • Pieces in Pack/Case : 1
Product Contents
Delivery & Returns


Standard delivery service up to 3 working days: €8.95

Free delivery on all orders over €70.00

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Hopefully you won't need to return an item, however, if you do, it is our aim to make this as simple as possible. By following the guidance below you can help us to help you when a product is not what you expected, or is faulty. Your statutory rights are not affected by this guidance.


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€39.45 Incl. 23% VAT

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Erbauer Diamond Tile Drill Bit 30 x 8mm is rated 4.0 out of 5 by 21.
Rated 4 out of 5 by from Drill bit Dry cut, clean finish on the edges, no problems 'gripping' the tile to get started. Can't compare with any others as this is the first time I've done any tiling. Expensive, especially when a tenner cheaper if you buy two; but they only had one in stock and I needed it there and then. Ordered. Collected. Holes cut. Job done
Date published: 2017-12-21
Rated 5 out of 5 by from Top performer by far Used numerous cutters like this - Rubi and Marcrist and this one lasts much longer with no need for water to cool it down, and believe me I drill a lot of holes in porceline tiles! 10/10
Date published: 2017-11-28
Rated 5 out of 5 by from You get what you pay for. Pricy but worth it. Cut through very hard floor tiles with ease, leaving neat holes for pipes.
Date published: 2017-10-14
Rated 4 out of 5 by from Great on porcelain Didn't realise how hard porcelain tiles were! Having totally re done the bathroom and contemplating fitting everything back in the number of holes needing to be drilled stacks up. This drill bit has far out shone others I bought. It didn't skid around on the surface like some others when started in slow speed and angling v slightly upwards to get a key in before then going straight. It cut through the tiles very easily relatively quickly without overheating.
Date published: 2017-08-20
Rated 4 out of 5 by from Good when used wet Had to take the first one back as i used it dry as per the package instructions, and it went blunt after cutting one hole. Other reviews for the smaller sizes mentioned this but not for this size so wasn't aware. Screwfix exchanged it swiftly (thank you to Ringwood branch - always great service) and the exchanged one did 4 holes straight off when kept cool with water. The first was rubbish on second holes and cracked tiles (I assume through the heat) so would recommend this product but use wet. It is pricey but cut through thick ceramic floor tiles in a few minutes per hole. Have scored 1 for reliability as I can't comment after 1 day of use. Why are we asked this just after purchase?
Date published: 2017-04-15
Rated 3 out of 5 by from SO GOOD I BOUGHT IT TWICE This is a great bit if you accept it will only drill a limited number of holes before you need a replacement. Bought the first one last year to fit 12 x 30mm LED lights in the bathroom tiles at home. Tried the same thing this year while fitting tiles in another bathroom with the same bit, but started breaking every tile after 4 successful cuts. Examined the bit and noticed that it was wore down/ glazed on one side. Bought a replacement and it cut 6 tiles in a row without breaking any. I used a block of wood with a 30mm diameter hole cut out as a guide, clamped (not too tightly!) on to a workmate tool bench. A great cutter, but, in my experience, don't expect any more than 20 holes per bit.
Date published: 2017-04-03
Rated 4 out of 5 by from Good drill Bought this today to drill pipework holes in porcelain tiles, they cut well as nothing else would touch my tough tiles, but.... ...I had to use a small angle grinder to roughly mark the outside of hole in order to start it! As it has no pilot to guide it, just slid around even at slow speed.
Date published: 2017-03-24
Rated 5 out of 5 by from Decent cutter Used to cut holes for pipe work, cut tiles easily. Good finish to hole, no skidding off of the glaze when started at a lowiish speed.
Date published: 2017-02-21
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