sourcing map 5 Pcs 0.5mm Mini Micro Twist Drill Bits, High-Speed Steel Straight Shank Extra Long Drill Bit 60mm for Aluminum Alloy

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Product description

  • High Speed Steel Made of high-speed steel, with high hardness, heat resistance, wear resistance, durability and long service life.
  • Notice Please keep it cool and gentle when using it, the correct use can greatly extend the life of the twist drill.

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