FANAR - Полный каталог инструмента для резьбы - 2014 EN PL DE

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                                                            TECHNICAL INFORMATION

3. TAPS

3.1. Tap construction elements (on example of DIN-371)

    L1    -to ta l length               S1 - re lie f o f c h a m fe r
    L2                                  P - pitch o f thread
    L3    - thread length
    L4                                  a - angle o f thread
    L5    - useful length               7 - rake angle
          - length o f driving square
    a     - cham fer length             y l - spiral point angle
          - size o f square
    0d1                                 y2 - a n g le o f s p ira l flu te s
    0 d2  - thread diam eter
    0d3                                 k - cham fer angle
    0d4   - shank diam eter
    0d5   - neck diam eter              r - straight flute
    m     - (cham fer) point diam eter  x - spiral flute
          - w eb (core) diam eter       t - spiral point

          - w idth o f land             z - num ber o f lands

L.

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