Subland drill HSS 180° M4

Article no.: 117280 M4
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  • Tool material: HSS
  • Standard: DIN 8376
  • Tolerance nominal ⌀: h9
  • Point angle: 118
  • Helix angle: 20-30

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    Product details

    Technical Data

    for screws M4
    Coating vaporised
    Tool material HSS
    Standard DIN 8376
    Tolerance nominal ⌀ h9
    Point angle 118 degrees
    Helix angle 20-30 degrees
    Shank Parallel shank to h8
    Countersink angle 180 degrees
    Number of cutting edges Z 2
    Through-coolant no
    ⌀ D1 1st step 180° h9 4.5 mm
    ⌀ D2 2nd step 180° h8 8 mm
    Step height L1 1st step 180° 11 mm
    Flute length Lc 75 mm
    Overall length L 117 mm
    Shank ⌀ Ds 8 mm
    Feed f in steel < 750 N/mm2 0.03 mm/rev.
    Shank tolerance h8
    Colour ring without
    Type of product Stepped drill

    Identification numbers & Classifications

    Article number 117280 M4
    EAN / GTIN 4045197036292
    Manufacturer number 117280 M4

    Application Table

    Aluminium (short chipping)
    N
    45
    Steel < 500 N/mm²
    P
    40
    Steel < 750 N/mm²
    P
    30
    Steel < 900 N/mm²
    P
    25
    GG(G)
    K
    25
    CuZn
    N
    80
    Oil
     
    wet maximum
     

    Description

    Version:

    Drill and counterbore each with its own chip flutes and guide chamfers. This means the profile of the stepped drill is retained even after repeated regrinding.

    Application:

    For screw through holes to DIN-ISO 273 and screw head counterbores shape H, J, and K. Medium version to DIN 74 sheet 2.

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