HSS jobber drill N 21 mm

Article no.: 116320 21
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495 pieces in stock

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⌀ DC h8 (mm) Unit price incl. VAT
  • Tool material: HSS
  • Standard: DIN 345
  • Type: N
  • Tolerance nominal ⌀: h8
  • Point angle: 118

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    Product details

    Technical Data

    Nominal ⌀ DC 21 mm
    Coating uncoated
    Tool material HSS
    Standard DIN 345
    Type N
    Tolerance nominal ⌀ h8
    Point angle 118 degrees
    Helix angle 20-30 degrees
    Shank Morse taper
    Number of cutting edges Z 2
    Through-coolant no
    recommended maximum drilling depth L2 113.5 mm
    Flute length Lc 145 mm
    Overall length L 243 mm
    Morse taper MT size 2
    Feed f in steel < 750 N/mm2 0.2 mm/rev.
    Colour ring without
    Type of product Jobber drill

    Identification numbers & Classifications

    Article number 116320 21
    EAN / GTIN 4045197029652
    Manufacturer number 116320 21

    Application Table

    Steel < 500 N/mm²
    P
    40
    Steel < 750 N/mm²
    P
    30
    Steel < 900 N/mm²
    P
    25
    GG(G)
    K
    25
    Oil
     
    wet maximum
     

    Description

    Version:

    Special surface treatment, resulting in reduced tendency to edge build-up and improved chip evacuation.

    Recommendation:

    Maximum drilling depth:
    L2 = LC - 1.5 × DC.

    Note:

    For suitable reducing adapters for tools with MT shanks see No. 343000-343530.

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    Number of cutting edges Z 2 2 2
    Coating uncoated uncoated uncoated
    Nominal ⌀ DC 21 21 21
    Standard DIN 345 DIN 345 DIN 341
    Helix angle 20-30 20-30 16-30
    Point angle 118 118 118
    Morse taper MT size 2 2 2

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