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9STM4-12
  • Product Code: 9STM4-12
  • Product Description: 9STM4-12 Alpha 4-12mm Step Drill
  • Availability: 1

  • $31.63

  • Ex GST: $28.75

9STM4-12 Alpha 4-12mm Step Drill


    Alpha Step Drills replace individual drills offering a wide range of sizes in a single drill.
  • 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.
  • 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, 5, 6, 7, 8, 9, 10, 11, 12mm
    • Cutting Depth: 3mm
    • Shank Dia: 6.0mm
    • Shank Type: 3 Flats
    • Recommended Cutting Speeds: Steel 500 - 1500 rpm

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