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9STSFM4-20
  • Product Code: 9STSFM4-20
  • Product Description: Alpha 4-20mm Step Drill Spiral Flute
  • Availability: 1

  • $196.42

  • Ex GST: $178.56

9STSFM4-20 Alpha 4-20mm Step Drill Spiral Flute


      Alpha Step Drills replace individual drills offering a wide range of sizes in a single drill.
    • Made in Germany.
    • Manufactured from Premium HSS raw material, and TiN Coated for reduced heat and long life.
    • Ideal for drilling thin materials such as stainless steel, copper, brass, aluminium, plastic and laminates.
    • Variable spiral flute for faster, precise hole drilling.
    • Self-starting tip to prevent drill wandering.
    • Drilling and deburring in the one process.
    • Laser marked diameters that will not wear off with use.
    • 3 flats on shank to prevent slipping in chuck.

    • No of Steps: 9
    • Step Sizes: 4, 6, 8, 10, 12, 14, 16, 18, 20mm
    • Cutting Depth: 3mm
    • Shank Dia: 8.0mm
    • Shank Type: 3 Flats
    • Recommended Cutting Speeds: Steel 400 - 1500 rpm

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