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CoroTap® 400

Long tool life reduces costs

Solid taps are made of high-speed steel with cobalt, high-speed powder steel, carbide or tungsten for superior wear resistance and tool life resulting in fewer machine stoppages and reduced cost-per-hole.

Superior process security

Optimized lobe profiles allow for reliable, predictable tool life at high cutting speeds for both through- and blind-holes.

Excellent thread quality

To ensure low friction at high speeds for precision thread forming with minimal surface roughness, there are five coatings available: TiCN, TiN, TiNF, CrN and Bright (uncoated).

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  • Versatile taps for a variety of application areas and optimized taps for specific materials
  • Suitable for both through holes and blind holes
  • Available in many thread forms and standards
  • Internal coolant available in thread forms M, MF, UNC, UNF

Find your tool and buy

Application area

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  • Taps optimized for specific materials and taps optimized for versatility
  • Suitable for both through holes and blind holes
  • Available in many thread forms and standards
  • Depths up to 3.5 × diameter
  • Available with internal coolant in thread forms M, MF, UNC, UNF
  • Tolerances:
    • ISO N: 6H, 2B
    • ISO P: 6HX, 6GX, 2BX
    • Versatile: 6G, 6GX, 6H, 6HX, 2B, 2BX
    • Aciers
    • Aciers inoxydables
    • Fontes
    • Superalliages réfractaires
    • Métaux non-ferreux

    Versatile and Optimized solutions

    CoroTap 400

    The versatile tap can be used to thread steel, stainless steel, aluminium and heat resistant super alloys. This allows for fewer tool changes.

    CoroTap 400 for ISO N

    This high-speed steel tap is optimized for aluminium applications with a carbon nitrate coating.

    CoroTap 400 for ISO P

    This tap is optimized for steel applications with a new grade featuring a higher percentage of tungsten and double TiN coating.

    CoroChuck 970

    The CoroChuck 970 is designed for stable and precise tapping in all materials. It improves tap tool life, surface quality and offers the highest process security.

    Product range

    CoroTap® 400
    Up to 3.5 × D
    P N PMNS
    MM3-16M3-16 M3-M8M1-M24M3-M20M2-M16
    MFM5-M16 M5-M16M10-M12
    UNCNo 4-5/8 No 4-5/8 No.4-1”
    UNFNo 10-5/8 No 10-5/8 No.10-1”


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