High-precision countersink with unequal spacing with 3 drive flats 60° 12,5 mm

Article no.: 150817 12,5
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External ⌀ Dc (mm) Unit price incl. VAT
  • Countersink tip angle: 60
  • Tool material: HSS
  • Spacing of the countersink cutting edges: unequal spacing
  • Number of cutting edges Z: 3
  • Standard: DIN 334

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    Product details

    Technical Data

    External ⌀ 12.5 mm
    Coating TiAlN
    Countersink tip angle 60 degrees
    Tool material HSS
    Spacing of the countersink cutting edges unequal spacing
    Number of cutting edges Z 3
    Standard DIN 334
    Shank Three clamping flats to h9
    Through-coolant no
    smallest countersink ⌀ for holes from 3.2 mm
    Overall length L 56 mm
    Shank ⌀ Ds 8 mm
    Feed f in steel < 500 N/mm2 0.13 mm/rev.
    Colour ring green
    Type of product Stepped drill and countersink

    Identification numbers & Classifications

    Article number 150817 12,5
    EAN / GTIN 4045197889287
    Manufacturer number 150817 12,5

    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:

    High-precision 60° countersink with unequal spacing.
    Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. Newly developed special TiAlN coating for long service life.
    Three drive flats on the shank for use in a 3-jaw chuck.

    Advantage:

    Very smooth cutting throughout the entire countersinking operation. Chatter-free running for perfect results and optimum tool service life.

    Application:

    High-precision countersinks for production of exactly round 60° countersunk surfaces.

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