D103 Micro Rotary Football Hole Drill – DiamondCore Tools
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D103 Micro Rotary Football Diamond Hole Drill

0.3 oz
SKU: D103

The D103 Micro Rotary Football tip is great for drilling or shaping small details or features. This tip can be used to erase tiny imperfections or to grind small accents. Must constantly be used with water to avoid damage to the bit. For creating small, rounded contours, the DiamondCore® Micro Rotary Football is a big win!


  • Diamond Grit for shaping 
  • 2 mm (dia.) x 5 mm, football end shape
  • 1.6 mm diameter shaft 
  • Fits with the DiamondCore® Tools Dremel Collet Set


  • Erasing imperfections, grinding small accents 
  • Cleaning up or refining small parts of bisque or high-fired ceramics
  • Removing sharp edges, smoothing chipped edges
  • Cleanup of bisque spots


  • Works on ceramic, tile, stone or glass
  • Rapid removal of unwanted material
  • Long lifespan if used properly
  • Controls dust when used with water


    • D101: Best for clearing out small existing holes
    • D102: Best for drilling new small holes, creating small details
    • D111: Best for reaming out openings, creating clean holes
    • DCS: Good for adapting bit sizes for handheld rotary tools


    • Follow all safety precautions
    • Always wear safety goggles
    • Always use with water to extend tool life and control dust
    • Must be constantly used with water to avoid overheating
    • Use cordless rotary tool to avoid water mixing with electricity
    • While drilling, ream out hole first to prevent jamming
    • Be sure to clean and remove all debris
    • Do not attempt to force or pry with this tool
    • Keep out of the reach of children

    Technique note: To increase the tool's longevity, use water, high speed and gentle pressure.