High-precision countersink, long, with 3 drive flats 90° 31 mm

Article no.: 150376 31
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  • Countersink tip angle: 90
  • Tool material: HSS
  • Spacing of the countersink cutting edges: unequal spacing
  • Standard: Manufacturer’s standard
  • Shank: Three clamping flats to h9

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    Product details

    Technical Data

    Coating TiAlN
    Countersink tip angle 90 degrees
    Tool material HSS
    Spacing of the countersink cutting edges unequal spacing
    Standard Manufacturer’s standard
    Shank Three clamping flats to h9
    Through-coolant no
    Colour ring green
    Type of product Stepped drill and countersink

    Identification numbers & Classifications

    Article number 150376 31
    EAN / GTIN 4062406066055
    Manufacturer number 150376 31

    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
    N
    Uni
     
    wet maximum
     
    dry
     

    Description

    Version:

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

    Application:

    High-precision countersinks for chatter-free production of precise, round 90° countersunk surfaces.

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