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Solid carbide HPC drill plain shank DIN 6535 HA H7 9H7 mm

Article no.: 122790 9H7

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⌀ DC (mm) Unit price incl. VAT
  • Tolerance: H7
  • Tool material: Solid carbide
  • Standard: DIN 6537
  • Version: 6×D
  • Number of cutting edges Z: 2

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    Product details

    Technical Data

    Nominal ⌀ DC 9 mm
    Tolerance H7
    Coating TiAlN
    Tool material Solid carbide
    Standard DIN 6537
    Version 6×D
    Number of cutting edges Z 2
    Point angle 140 degrees
    recommended maximum drilling depth L2 47.5 mm
    Shank DIN 6535 HA to h6
    Through-coolant yes, with 25 bar
    Machining strategy HPC
    Flute length Lc 61 mm
    Overall length L 103 mm
    Shank ⌀ Ds 10 mm
    Shank tolerance h6
    Feed f in steel < 900 N/mm2 0.28 mm/rev.
    Colour ring green
    Type of product Jobber drill

    Identification numbers & Classifications

    Article number 122790 9H7
    EAN / GTIN 4045197745507
    Manufacturer number 122790 9H7

    Application Table

    Steel < 500 N/mm²
    P
    120
    Steel < 750 N/mm²
    P
    100
    Steel < 900 N/mm²
    P
    85
    Steel < 1100 N/mm²
    P
    60
    INOX < 900 N/mm²
    M
    35
    INOX > 900 N/mm²
    M
    30
    Uni
     
    wet maximum
     
    Air
     

    Description

    Version:

    Drilling and reaming in a single operation. Cutting chisel edge with high centring accuracy due to strong core and special point geometry. Particularly high alignment accuracy due to 4 guide chamfers.

    Advantage:

    Very tight manufacturing tolerances with H7 fit can be produced without additional reaming.

    Note:

    Form HB and HE supplied at the same price as HA.
    Form HB: order with No. 122790 + 129100HB .
    Form HE: order with No. 122790 + 129100HE.
    Flute length LC = L2 + 1.5 × DC.
    Solid carbide precision fit drills for machining aluminium available on request.

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