Slim Cone Rotary Tool - DiamondCore Tools
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D11/D12 Slim Cone Rotary Tools, 80# or 170#


Get a D11 or D12 Slim Cone Rotary Tool from DiamondCore® Tools today!


  • Solid Diamond Grinding rotary tool burrs made of solid diamond grit and metal down to the shaft
  • 4 mm x 15mm length CONE shape
  • D11 80 grit, coarse for grinding
  • D12 170 grit, fine for autographing or personalizing


  • Grinding glaze drips, bisque, or high-fired ceramic
  • Also works on tile, stone, or glass
  • Removing sharp edges
  • Shaping or cleanup of bisque spots
  • Removing kiln shelf debris


  • A rapid removal of unwanted material
  • Long lifespan if used properly
  • Dust is controlled with water use
  • Shaft size: 3 mm dia. (1/8")
  • As the tool wears, a new layer of diamonds is exposed 


  • Use all safety precautions
  • Always use safety goggles
  • Be certain to clean and remove all debris from splash pans
  • Use a cordless rotary tool to avoid water getting in the motor
  • Always use with water to extend tool life and control dust
  • Do not attempt to force or pry with this tool
  • Keep out of the reach of children

Note: For longevity, use water, high speed, and gentle pressure. Overheating the tool will greatly decrease tool lifespan and change the tool shape. 


Diamond autographing head!!!!

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