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HOLEX Clever Tap machine tap 4-40

Article no.: 137868 4-40

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UNC Unit price incl. VAT
  • Thread type: UNC
  • Flank angle: 60
  • Tool material: HSS E
  • Standard: DIN 371
  • Tolerance class: 2B

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    Product details

    Technical Data

    Series CleverTap
    Thread size 4-40 UNC
    Coating uncoated
    Thread type UNC
    Flank angle 60 degrees
    Tool material HSS E
    Standard DIN 371
    Tolerance class 2B
    Taper lead form C
    Helix angle 40 degrees
    Shank Plain shank with h9
    Through-coolant no
    Application for type of drilling up to 2.5×D for blind holes
    Cutting direction right-hand
    Thread pitch 0.635 mm
    Threads per inch 40
    Thread ⌀ 2.84 mm
    Overall length L 56 mm
    Shank ⌀ Ds 3.5 mm
    Shank square □ 2.7 mm
    Tapping hole ⌀ 2.35 mm
    Type of threading tool Machine tap for conventional machining
    Number of clamping slots 3
    Colour ring without
    Number of cutting edges Z 3
    Thread depth 7.1 mm
    Type of product Taps

    Identification numbers & Classifications

    Article number 137868 4-40
    EAN / GTIN 4067263161455
    Manufacturer number 137868 4-40

    Application Table

    Aluminium
    N
    13
    Aluminium (short chipping)
    N
    13
    Steel < 500 N/mm²
    P
    12
    Steel < 750 N/mm²
    P
    12
    Steel < 900 N/mm²
    P
    6
    Oil
     
    wet maximum
     

    Description

    Version:

    HOLEX Clever Tap:
    Sturdy tap for conventional standard applications. High-quality HSS-E tool material and geometry for steels. Surface: Bronze-coloured tempered thread profile.
    HSS-E

    Application:

    For UNC uniform coarse threads ASME − B1.1.

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