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      Article no.: 150377

      High-precision countersink, long 90° TiAlN

      Brand: GARANT
      Countersink tip angle 90
      Tool material HSS
      Skaft Parallel shank to h9
      Spacing of the countersink cutting edges unequal spacing
      Norm Manufacturer’s standard

      High-precision countersink, long 90° TiAlN

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      External ⌀ (mm)

      Description

      Version:

      Special geometry with extremely unequal spacing and matching cutting edge preparation.
      Newly developed, special TiAlN coating for long tool life.
      High-precision countersink, produced to tight manufacturing tolerances similar to DIN335-C, with long plain shank.
      All countersinks have 3 cutting edges, radially relief ground. Flutes ground from solid.

      Application:

      High-precision countersinks for production of exactly round 90° countersunk surfaces.

      Technical Data

      Through-coolant
      no 
      Countersink tip angle
      90 degrees
      Spacing of the countersink cutting edges
      unequal spacing 
      Coating
      TiAlN 
      Skaft
      Parallel shank to h9 
      Norm
      Manufacturer’s standard 
      Tool material
      HSS 
      Colour ring
      green 

      Application Table

      Alu plastics
      N
      75
      Aluminium (short chipping)
      N
      75
      Alu > 10% Si
      N
      50
      Steel < 500 N/mm²
      P
      65
      Steel < 750 N/mm²
      P
      50
      Steel < 900 N/mm²
      P
      30
      Steel < 1100 N/mm²
      P
      18
      Steel < 1400 N/mm²
      P
      8
      Steel < 55 HRC
      H
      8
      INOX < 900 N/mm²
      M
      16
      INOX > 900 N/mm²
      M
      10
      Ti > 850 N/mm²
      S
      12
      GG(G)
      K
      25
      CuZn
      N
      60
      Graphite, GRP, CRP
       
      Uni
       
      wet maximum
       
      dry
       
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