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Shank Tungsten Carbide Micro Drill Bits Set, Tungsten Steel PCB Print Circuit Board Flute CNC Router Bits for Rough Stone Print Circuit Board Jewelry Engraving (30 Pcs, 0.3-1.2 mm)

Shank Tungsten Carbide Micro Drill Bits Set, Tungsten Steel PCB Print Circuit Board Flute CNC Router Bits for Rough Stone Print Circuit Board Jewelry Engraving (30 Pcs, 0.3-1.2 mm)
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Product description

  • Wide usage 0.01-0.05 inch drill bits set is suitable for processing precision drilling of amber beeswax, circuit boards, CNC engraved jewelry, hardware, plastics and so on
  • Improve precision micro drill bits set adopts pointed cutting edges; The spiral cutting edge can reduce the cutting force, prevent the drill from breaking, and improve the machining accuracy, no burrs or debris
  • Size information PCB drill bit set contains various sizes of drill diameter, 0.3 mm 0.012 inch, 0.4 mm 0.016 inch, 0.5 mm 0.020 inch, 0.6 mm 0.024 inch, 0.7 mm 0.028 inch, 0.8 mm 0.032 inch, 0.9 mm 0.035 inch, 1 mm 0.039 inch, 1.1 mm 0.043 inch, 1.2 mm 0.047 inch, each size has 3 pieces, totally 30 pieces in 3 boxes
  • What you get package comes with 30 pieces tungsten carbide micro drill bits in 3 sets, 10 pieces each set, packed in a box, which is easy for storage and prevent from falling

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