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Diamond Bullet Burrs 400# Fine

  • 2.35mm shank (3/32")
  • 400# Fine diamond grit
  • Available as a Set of 5 (1 of each size) or individual sizes from 1mm - 6mm

These Bullet shaped, fine grit (400#) diamond coated burs can be used on many materials such as glass, stone, hard wood, ceramic, shell and porcelain. To get the best life and usage out of your burrs use with a little water before or during use.

Can be used in any rotary tool such as a Dremel, Foredom or Proxxon, flexible shaft hand piece, pendant drill or micro motor.

Always wear sufficient safety goggles and face mask and be careful to not exceed a drill speed of 12,000rpm.

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400 grit (fine) Diamond coating is precisely electroplated onto a 2.35mm or 3.32" steel shank

Diameter: 1mm

  • Working diamond length: 6mm

Diameter: 2mm

  • Working diamond length: 8mm

Diameter: 3mm

  • Working diamond length: 10mm

Diameter: 4mm

  • Working diamond length: 12mm

Diameter: 6mm

  • Working diamond length: 14mm

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Other questions and our answers

Would these diamond bullet burrs be suitable for engraving a surface pattern on slate? I intend to use them with a rotary multi tool which is suitable for Dremel fitments?


Yes, any diamond burr is ideal for engraving on slate.  These 400 grit burrs are very fine and leave a really nice finish. 

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