CYLBAQ Step Drill Bit, 4mm-32mm HSS Spiral Grooved Step Drill Bit For Metal, Titanium High Speed Steel Cone Cutter Round Shank Metric Stepped Up Bits for DIY Lovers

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  • Top Quality Material The step drill bits are made of 4241 high speed steel material, which has high wear resistance, high toughness and high strength flexibility.
  • Two-Flute Spiral Groove Design Double cutting blades and X-type opening design reduce cutting resistance. Enables a faster, more stable and smoother cutting. It can automatically chamfer the hole for smoother chip evacuation. The size is laser etched into every spiral groove, so it can be accurately drilled and will not wear even if it is used for a long time.
  • Three-Sided Shank Triangle round shank fits into power tools chuck securely and eliminates slip.
  • Application Step Drill Bit Set suitable for workpieces with a hardness of less than 25 and a thickness of less than 5 mm. Widely used to cut holes in a variety of material like wood, plastic, thin iron plate, thin aluminum plate, insulation board, PVC board and so on.

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