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Multi-Purpose Diamond Drill Bits. 2.35mm shank


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Quantity Purchased Price
1 - 4 $6.94
5 - 9 $6.61
10 - 24 $5.14
25 + $4.67
  • Diameter Sizes Available: 1.20mm, 1.50mm, 1.80mm, 2.10mm and 2.60mm
  • Diamond tip length: 30mm
  • Overall length: 60mm
  • Shank diameter: 2.35mm

These small, round, diamond drill bits are multi-purpose. Whilst the ends can be used to drill holes, they also have an extra length of diamond grit running along the shank to grind and carve with. With a 2.35mm shank, these can be used in your Saeyang Micro Motor Handpiece.

Ideal for grinding and drilling small holes in some of the hardest materials around such as glass, stone, composites, porcelain and hard woods. 

  • Use on slow speeds. We recommend 5,000-10,000 rpm
  • Use little pressure. Let the drill do the work
  • Use plenty of cold water

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Please read on for further information...

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How to use Diamond Drill Bits:

You may need an adjustable chuck to hold the 2.35mm shank sizes of these diamond tipped drill bits. If you have a Dremel Rotary Tool we highly recommend the Dremel 4486 Multi Chuck.

Tip: The following three crucial elements when drilling will prevent the diamond grit from wearing off or burning away, will prevent the drill bit from snapping (too much pressure applied), prevent your material from cracking, and extend the life of your drill bits.

  • Use with plenty of cold water (if drilling in a container, change the water when it turns cloudy)
  • Use on a slow speed of 5,000RPM
  • Use at low pressure, let the drill do the work 

In order to get the best from our diamond tipped drill bits, please ensure you read through the Tutorials section on our blog before attempting to use our drills for the first time. Here you will find tips and video footage on how to drill pebbles and how to drill sea glass. as well as how to drill gemstones and how to drill glass bottles. There are also helpful hints on the correct speeds and pressure to be used.

You might also like to read our article: 12 Things You Should Know about Diamond Drill Bits

Disclaimer. Using rotary tools near water has never been, to the best of our knowledge, endorsed by any of the rotary tool manufacturers. If you do choose to drill near water or with attachments under water connected to your drill then you do so at your own risk. Please be aware that mixing electricity and water can be very dangerous.


Diamond grit is precisely electroplated onto a hardened steel shank

Diameter: 1.20mm

  • Overall length: 60mm
  • Diamond tip length: 30mm
  • Shank: 2.35mm

Diameter: 1.50mm

  • Overall length: 60mm
  • Diamond tip length: 30mm
  • Shank: 2.35mm

Diameter: 1.80mm

  • Overall length: 60mm
  • Diamond tip length: 30mm
  • Shank: 2.35mm

Diameter: 2.10mm

  • Overall length: 60mm
  • Diamond tip length: 30mm
  • Shank: 2.35mm

Diameter: 2.60mm

  • Overall length: 60mm
  • Diamond tip length: 30mm
  • Shank: 2.35mm

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