Counterbore without pilot 30 mm

Article no.: 156520 30
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  • Tool material: HSS
  • Standard: DIN 375
  • Shank: Morse taper

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    Product details

    Technical Data

    Counterbore ⌀ 30 mm
    Tool material HSS
    Standard DIN 375
    Shank Morse taper
    for screw size M18
    Hole ⌀ a 8 mm
    Overall length L 180 mm
    Morse taper MT 3
    Feed f in steel < 500 N/mm2 0.2 mm/rev.
    Colour ring without
    Type of product Counterbore

    Identification numbers & Classifications

    Article number 156520 30
    EAN / GTIN 4045197088062
    Manufacturer number 156520 30

    Application Table

    Aluminium (short chipping)
    N
    33
    Steel < 500 N/mm²
    P
    28
    Steel < 750 N/mm²
    P
    27
    Steel < 900 N/mm²
    P
    27
    wet maximum
     

    Description

    Version:

    Multi-edged, spiral fluted counterbore with recess in face for fitting various pilots. Pilot is clamped with a screw in the counterbore.

    Application:

    One counterbore can be used for several pilot holes of different diameters due to the interchangeable pilots.

    Note:

    For suitable reducing adapters for tools with MT shanks see No. 343000-343530.
    The dimensions relate to screws DIN 912, 6912, 7984 and ISO 1207. However, with an appropriate pilot, a counterbore can be used for other screw sizes or counterbore / pilot diameter combinations.

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