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    SEKN Inserts
    SEKN Inserts
    SEKN Inserts
    SEKN Inserts

    Additional Inserts • SEKN

    SEKN Inserts

    Metric
    Inch
    SAP Material Number 2028360
    ISO Catalog Number SEKN1204AFN1
    ANSI Catalog Number SEKN1204AFN1
    Grade TTR
    Cutting Edges per Insert 4
    [D] Insert IC Size 12.7000
    [D] Insert IC Size .5000
    [L10] Insert Cutting Edge Length 12.7000
    [L10] Insert Cutting Edge Length .5000
    [M] Gage Dimension 1.6550
    [M] Gage Dimension .0652
    [S] Insert Thickness 4.7600
    [S] Insert Thickness .1875
    [BS] Corner Facet Length 1.6500
    [BS] Corner Facet Length .0650
    Average Chip Thickness [HM] 0.1400
    Average Chip Thickness [HM] .0055
    See all Product Variants

    Workpiece Materials

    P Steel
    M Stainless Steel
    K Cast Iron
    N Non-Ferrous
    S High-Temp Alloys

    Grades

    • THM

      Uncoated carbide. Extraordinarily good balance of hardness, wear resistance, edge stability, and toughness. Light and medium machining. For cast iron and all non-ferrous metals and non-metals. Useful in unfavorable conditions.

      K Cast Iron
      N Non-Ferrous
    • TN25M
      P Steel
      M Stainless Steel
    • TN450

      coated carbide grade
      - CVD-TiN-TiCN-TiN multi-layer coating
      - general and heavy machining
      - for machining all types of steel and nodular cast iron
      - coolant recommended
      - extremely tough grade, resistant to changes in temperature

      P Steel
    • TN5515

      Coated carbide grade TN5515 has an MT-CVD-TiN-TiCN-Al203 coating. Engineered for a
      balanced toughness and wear ratio. Ideal for light to medium machining of all cast irons.

      K Cast Iron
    • TN6540

      Coated carbide grade TN6540 has a PVD-TiAlN multilayer and is excellent for medium and heavy
      machining applications. It is ideal for use in all steels and nodular cast irons.

      P Steel
      M Stainless Steel
      K Cast Iron
      S High-Temp Alloys
    • TN7525

      Coated carbide grade TN7525 has an MT-CVD-TiN-TiCN-Al203-TiN coating. Engineered for light
      and medium machining of all steels and nodular cast irons.


      P Steel
      M Stainless Steel
    • TN7535

      MT-CVD/CVD — TiN-TiCN-Al2O3 coated carbide. Medium and heavy machining for steels and nodular cast iron.

      P Steel
      M Stainless Steel
      K Cast Iron
    • TTI25
      P Steel
      M Stainless Steel
      K Cast Iron
    • TTM08
      P Steel
    • TTR

      Uncoated carbide. Light and medium machining. For steel.
      To be used at low cutting speeds. Effective in unfavorable conditions.

      P Steel
      M Stainless Steel
    • WK15CM
      K Cast Iron
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