Through hole / blind hole

NORIS TWIN

For blind and through hole threads up to approximately 2 x D

NORIS-TWIN machine tap with straight flutes for blind and through hole threads up to approximately 2 x D. Preferred use in short chipping materials. The tool is available with or without internal coolant supply.

  • For Ampco alloys
  • For cast iron (GJL, GJS)
  • For cast iron (GJL, GJS, GJV)
  • For highly resistant and heat resistant steels up to 1400 N/mm²
  • For hardened steel and hard castings up to 55 HRc
  • For Magnesium alloys
  • For short chipping brass
  • For steels with good machining capacity

NORIS INNENSPAN

For blind and through hole threads up to approximately 1,5 x D

NORIS INNENSPAN machine tap for blind and through hole threads up to approximately 1,5 x D. The special designed head collects all chips in the hollow interior. This and the secure self-guiding, due to the unfluted guiding-part, results in a high process reliablility.

  • For almost all materials

NORIS Set of taps

For blind and through hole threads up to approximately 2 x D

NORIS Set of taps with straight flutes for blind and through hole threads up to approximately 2 x D.

  • For steels with good machining capacity
  • For tapping by hand in stainless, heat resistant and heat-treated steels up to 1100 N/mm²
  • For tapping by hand in high strength steel types, Wolfram, hard castings and ferro-titanite up to 1400 N/mm² or 44 HRc