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​Material Specific Machine Taps


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

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  • 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

​Blue Ring Taps for Stainless Steel

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  • ​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

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  • ​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

Yellow Ring Taps for Low Alloy Steel

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  • 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

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  • Spiral point and spiral flute (35°) options

  • Choice of bright or Super B (TiAlN + WC/C) surface finish for excellent performance in aluminium alloys, brass and copper

  • 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: E471, E472, E473, E474

 

To view our complete range of taps click here 

For pricing and availability please visit the Dormer Pramet eShop or contact your local sales office

 

 

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