Four Spiral Flute Cobalt Step Drill Bit Set, 3/16" - 7/8"(12 Step Size), Impact Ready M35 HSS Unibit Step Drill bit, Wear-Resistant TiAlN Coated, 1/4" Hex Shank Step Bit for Metal

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  • Four Spiral Flute Our step drill bits are equipped with four spiral flutes, this design guarantees a faster and smoother cutting. This step bits for metal ensures quick and smooth drilling through steel, aluminum, copper, wood, and other tough materials
  • 12 Step Size Our 12-step drill bit covers a wide range of sizes, including 3 16", 1 4", 5 16", 3 8", 7 16", 1 2", 9 16", 5 8", 11 16", 3 4", 13 16", and 7 8" For your everyday DIY needs
  • TiAlN Coating Step bits coated with aluminum titanium nitride, rated at 89HRC for exceptional hardness and thermal properties. This coating offers superior resistance to heat, wear, and corrosion, with high adhesion and low friction
  • High Quality Service If you have any questions or suggestions of four spiral flute cobalt step drill bit set, please feel free to contact us, we will reply with a solution within 24 hours. We have very high-quality customer service

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