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Extra Long Diamond Drill Bits

ELDDB1300

These 3.00mm extra long, small diamond drill bits are ideal for drilling small holes in hard materials such as glass, stone and fossils when the depth of the material requires an extra long shank to the drill bit, therefore allowing your drill not to hit the material whilst drilling. Very popular with artists, jewellers and scientists.

Overall length: 100mm

"I especially find the extra long diamond drill bits helpful because I’m drilling through beach stones about 2 inches thick. I’m using a battery powered Dremel and placing the stones in water. When in water, the bits wear very well" - Andrew Honig
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Description

Tip: use with plenty of cold water, slow speed, low pressure

For further information you may 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.

Technical

Diamond grit is precisely electroplated onto a steel shank

Diameter: 3mm

  • Overall length: 100mm
  • Diamond tip length 10mm
  • Shank: 3mm

Questions & Answers

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Other questions and our answers

Will your drill bits fit my drill?

Clare

Our drill bits will fit all rotary drills so long as you have an adjustable collet or chuck with which to hold the shank of our very small drill bits. Sometimes when buying a drill they will come with an adjustable collet but if you find you are in need of one then we supply either a Dremel Multi Chuck (DMC4486) or a Dremel Collet Nut Kit (DCNK4485).

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