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HSS-E-PM Shark Line Application Taps, DIN Standard

Dormer’s Shark-Line range of material specific taps offer increased performance and accuracy over standard HSS taps. Manufactured from powder metallurgy cobalt steel (HSS-E-PM), each tap features a coloured ring denoting recommendation for use on specific materials.

White Ring Taps for Cast Iron

  • Straight flute design for threading of through and blind holes in short chipping materials
  • Available with steam tempered or TiAlN surface finish
  • Powder metallurgy steel construction for excellent productivity and tool life
  • Thread forms available: M
  • Product codes: E201E252 & E390

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Blue Ring Taps for Stainless Steel

  • Spiral point and spiral flute (40°) options
  • Choice of steam tempered or Super B (TiAlN + WC/C) surface finish
  • Spiral flute designs feature a back taper to facilitate chip evacuation, reducing both chipping on last threads and also torque when tap reverses
  • Thread forms available: M, MF & G(BSP)
  • Product codes: E238E239E240E241E382E383 & E384

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Red Ring Taps for Alloy Steel

  • Spiral point and spiral flute (45°) options
  • Choice of bright or TiAlN-Top surface finish
  • Spiral flute options feature special flute geometry which prevents nest formation of swarf, reducing risk of re-cutting on reversal
  • Thread forms available: M
  • Product codes: E255, E256, E260, E261

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Yellow Ring Taps for Low Alloy Steel

  • Spiral point and spiral flute (40°) options
  • Spiral flute options feature special flute geometry which prevents nest formation of swarf, reducing risk of re-cutting on reversal
  • Special hard chrome plating for sticky materials
  • Thread forms available: M & MF
  • Product codes: E297E298E299E300

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Green Ring Taps for Non Ferrous Materials

•    Lastua työntävät ja lastua nostavat (35°) vaihtoehdot
•    Saatavana kirkkaina, tai Super B (TiAlN + WC/C) pinnoitettuna, jolla saavutetaan erittäin hyvä suorituskyky seostetuissa alumiineissa, messingissä ja kuparissa
•    Lastua nostavissa tapeissa on erityinen lastu-urien muotoilu, joka estää lastujen kasautumisen ja paluuliikkeessä usein tapahtuvan uudelleen lastuamisen
•    Kierrevalikoima: M
•    Tuotekoodit: E471, E472, E473, E474 

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Black Ring Taps for High Strength Steels

  • ​​Spiral point (E334) and spiral flute (E335) for good chip control and edge strength
  • Taps provide high performance and process security in hardened and tempered materials below 45 HRC
  • Robust geometry which significantly increases cutting edge strength and supports problem-free, high quality thread production
  • Thread forms available: M
  • Product codes: E334, E335

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