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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

  • Steam tempered or TiAlN surface finish promote excellent performance and tool life

  • Premium grade powder metallurgy steel 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 finishes

  • 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 finishes

  • 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 finishes 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

 

 

For more information or to view our complete range of taps please click here 

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

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 Material Specific Machine Taps Range

 

 

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