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5 Different Sizes Extra Long High-Speed Steel Drill Bits, Long Shank Drill Bits for Wood, Hardness Spiral Drill Bit for Plastic, Aluminum and Composite Materials

KWD 3

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Special Features

  • [High Speed Spiral Design]: This twist drill bits adopts a high speed spiral design, the drilling speed is significantly faster than standard drill bits, and the flutes help reduce friction and heat
  • [Make Drilling More Labor Saving]: The cutting edge of this spiral drill bit is hardened and polished to achieve the purpose of sharpness, the longer size allows you to drill more labor saving
  • [5 Popular Sizes]: This HSS drill bit set includes 5 most popular drill bits with diameters of 2mm, 3mm, 3.5mm, 4mm, 5mm, and lengths of 150mm to 160mm
  • [High Hardness and Durability]: This extra length drill bit is made of quality high speed steel, with strong hardness, good wear resistance and durability
  • [Scope of Application]: This high speed long drill bits can be quickly installed on most electric drills and drilling machines, which is suitable for drilling wood, plastic, aluminum, etc

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