Fluteless machine tap with oil grooves HSS-E-PM Form C 6HX M2,5

Article no.: 139171 M2,5
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  • Thread type: M
  • Flank angle: 60
  • Tool material: HSS E PM
  • Standard: DIN 2174
  • Thread standard: DIN 13

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    Product details

    Technical Data

    Thread size M2.5
    Coating TiAlN
    Thread type M
    Flank angle 60 degrees
    Tool material HSS E PM
    Standard DIN 2174
    Thread standard DIN 13
    Tolerance class ISO 2X 6HX
    Taper lead form C
    Shank Plain shank with h9
    Through-coolant no
    Application for type of drilling up to 3×D for blind holes; up to 3×D for through holes
    Cutting direction right-hand
    Thread pitch 0.45 mm
    Overall length L 50 mm
    Shank ⌀ Ds 2.8 mm
    Shank square □ 2.1 mm
    Tapping hole ⌀ guide value 2.3 mm
    Thread ⌀ 2.5 mm
    Number of clamping slots 3
    Colour ring yellow
    Number of cutting edges Z 3
    Thread depth 7.5 mm
    Type of product Fluteless tap

    Identification numbers & Classifications

    Article number 139171 M2,5
    EAN / GTIN 4045197541796
    Manufacturer number 139171 M2,5

    Application Table

    Alu plastics
    Aluminium (short chipping)
    Alu > 10% Si
    Steel < 500 N/mm²
    wet maximum



    DIN 2174 (≈ DIN 371 ≤ M10; ≈ DIN 376 ≥ M12). With oil grooves; optimum lubrication effect even in deeper threads.
    Tolerance class: ISO 2X/6HX.
    The innovative polygon form permits a wide application spectrum. The multi-function layer structure achieves maximum service life even in high-tensile materials.
    Special TiAlN coating, highly suitable for aluminium alloys.

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