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2178 HSSE-PM TiAlSiN+ M-MF Spiral Flute Machine Tap

2178 HSSE-PM TiAlSiN+ M-MF Spiral Flute Machine Tap

Spiral-flute tap for threading blind holes.

Key Features:

  • Tool material: Powder-metallurgy high-speed steel (HSSE-PM)
  • Standard / manufacturer designation: DIN 371
  • Thread type: M-MF
  • Chamfer form: C(2-3)
  • Geometry / design: R15°
  • Tolerance / class: 6HX (see selected variant)
  • Coating / treatment: TiAlSiN+
  • Working depth: 1.5xD
  • Helix angle: 15°
  • Reinforced shank

Recommended Materials:

P Steels

  • Steels <1,200 N/mm² – Alternative suitability
  • Steels <1,400 N/mm² – Optimal suitability

M Stainless steels

  • Stainless steels <1,200 N/mm² – Alternative suitability

K Cast iron

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

N Non-ferrous materials

  • Plastics – Alternative suitability

S Titanium and heat-resistant alloys

  • Titanium (Ti) – Alternative suitability

Thread size and tolerance are shown in the selected variant. Product photos are representative of the series.