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: E201, E252 & 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: E238, E239, E240, E241, E382, E383 & E384

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: E297, E298, E299, E300

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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