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1128 HSS Stepped Drill

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1128 HSS Stepped Drill

Stepped drill for producing stepped holes in one operation.

Key Features:

  • Standard / manufacturer designation: DIN8374
  • Tool material: HSS

Recommended Materials:

P Steels

  • Steels <800 N/mm² – Optimal suitability
  • Steels <1,000 N/mm² – Optimal suitability

K Cast iron

  • Cast iron <500 N/mm² – Optimal suitability
  • Cast iron <800 N/mm² – Optimal suitability
  • Cast iron <1,400 N/mm² – Alternative suitability

N Non-ferrous materials and plastics

  • Aluminium (Al) – Optimal suitability
  • Copper and copper alloys (Cu) – Optimal suitability
  • Plastics – Alternative suitability