30PCS Rotary File Set

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30PCS Rotary File Set

  • Product Name: Gemstone carving tools, Diamond carving burrs
  • Heads Shapes: Tapered Point
  • Heads diameter: 3mm (close to 1/8")
  • Total length: 45mm (1 3/4" inch)
  • Shank diameter : 3mm (close to 1/8")
  • They will fit your hand drill, drill press with a 3mm collet
  • Grit : 150 (medium)
  • Premium type diamond coated in grit 150 (medium), More durable than the ordinary diamond coated burr.
  • Heat treated and highly polished.
  • With the Titanium coated to reduce friction and heat.
  • Perfect for home DIY and general building / engineering use.
  • Ideal for using to cut holes in a variety of materials including steel, brass, wood, plastic, copper, fibreglass and PVC etc.
  • 3 sided shanks design in order to prevent slippage when in chuck.
  • Two flute design provides faster, smoother and cleaner cuts.
  • Each step is clearly labeled with the depth diameter in steps.
  • Suitable for wood carving, root carving, olive pits, sharp blade, durable.
  • Used by Jewelers, Hobbyists, Craft Makers, Modelers, Etc.
  • Chip fast, high hardness, suitable for wood, aluminum, plastic root carving and engraving.
  • High production efficiency, good processing quality, finish, easy to use, safe and reliable, reduce labor intensity, non-blocking.

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