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​Material Specific Machine Taps

 


HSS-E-PM Shark Line Application Taps, DIN ANSI 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 colored 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

  • Pr​emium grade powder metallurgy steel for excellent productivity and tool life

  • Thread forms available: M

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

  • Product Codes: E814, E914, E815, E915​

Blue Ring Taps for Stainless Steel

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  • S​piral point and spiral flute (40°) options

  • 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)

  • Choice of steam tempered or Super B (TiAlN + WC/C) surface finishes

  • Product Codes: E813, E913

Red Ring Taps for Alloy Steel

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  • ​​Spiral ​​point and spiral flute (45°) options

  • Spiral ​flute options feature special flute geometry which prevents nest formation of swarf, reducing risk of re-cutting on reversal

  • Thread forms available: M

  • Choice of bright or TiAlN-Top surface finishes

  • Product Codes​: E811, E911, E810, E910

Yellow Ring Taps for Low Alloy Steel

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  • ​Spiral point and spiral flute (40°) options

  • Special hard chrome plating for sticky materials

  • Thread forms available: M & MF

  • Spiral flute options feature special flute geometry which prevents nest formation of swarf, reducing risk of re-cutting on reversal

  • Product Codes: E809, E909, E808, E908​

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For more information on our complete range of taps, please click here. ​

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