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      Item no.: 125050

      Solid carbide stub stepped drill 90° TiAlN

      Brand: GARANT
      Tool material Solid carbide
      Norm DIN 8378
      Type N
      Skaft DIN 6535 HA to h6
      Countersink angle 90
      Point angle 140
      Tolerance nominal ⌀ h8
      No price available

      Solid carbide stub stepped drill 90° TiAlN

      In stock

      Description

      Version:

      Very sturdy − step length to DIN 8378. Tight concentricity tolerances between drill and counterbore ⌀ guarantee exact alignment.

      Application:

      Particularly suitable for NC machines and automatic machines. For drilling tapping holes to DIN 336 sheet 1 with 90° countersinking. In the following operation, the tap therefore does not have to cut into the sharp edge of the hole.
      Sizes F: Tapping holes for the following fluteless taps.

      Technical Data

      Skaft
      DIN 6535 HA to h6 
      Tool material
      Solid carbide 
      Coating
      TiAlN 
      Countersink angle
      90 degrees
      Point angle
      140 degrees
      Type
      Shank tolerance
      h6 
      Tolerance nominal ⌀
      h8 
      Norm
      DIN 8378 
      Colour ring
      without 

      Application Table

      Alu plastics
      N
      260
      Aluminium (short chipping)
      N
      180
      Alu > 10% Si
      N
      180
      Steel < 500 N/mm²
      P
      90
      Steel < 750 N/mm²
      P
      90
      Steel < 900 N/mm²
      P
      90
      Steel < 1100 N/mm²
      P
      60
      Steel < 1400 N/mm²
      P
      35
      INOX < 900 N/mm²
      M
      35
      INOX > 900 N/mm²
      M
      30
      Ti > 850 N/mm²
      S
      25
      GG(G)
      K
      110
      CuZn
      N
      180
      Uni
       
      wet maximum
       
      dry