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      SAP Material Number 4171883
      ISO Catalog Number SNMA120412
      ANSI Catalog Number SNMA433
      Grade WK20CT
      [D] Insert IC Size 12.7000
      [D] Insert IC Size .5000
      [L10] Insert Cutting Edge Length 12.7000
      [L10] Insert Cutting Edge Length .5000
      [S] Insert Thickness 4.7630
      [S] Insert Thickness .1875
      [Rε] Corner Radius 1.2000
      [Rε] Corner Radius .0468
      [D1] Insert Hole Size 5.1600
      [D1] Insert Hole Size .2031
      See all Product Variants

      Workpiece Materials

      P Steel
      K Cast Iron


      • CW5025

        Silicon-nitride ceramic. Extraordinary toughness properties. Roughing, also in heavily interrupted cuts.
        Capable of high-performance turning. To be used with or without coolant. For gray cast iron.

        K Cast Iron
      • HK1500
        P Steel
        K Cast Iron
      • 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.

        N Non-Ferrous
        S High-Temp Alloys
      • THMF-X
      • TN20K

        Coated carbide. MTCVD-TiN-TiCN-Al2O3-TiN. Great when used for straight or lightly interrupted cut applications of ductile and cast irons.

        P Steel
        K Cast Iron
      • 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
      • WBH25U

        A low CBN content, CBN tip brazed onto a carbide insert. Designed for roughing to finishing of hardened steels (>45 HRC) where optimal surface finish is needed. Use in continuous to interrupted cutting of bearing steel, hot and cold work tool steels, high-speed steels, die steels, case-hardened steels, carburized and nitrided irons, and some hard coatings.

        H Hardened Materials
      • WK05CT

        Coated carbide. MT-CVD/CVD — TiN-TiCN-Al2O3. Increased wear resistance for long tool life at high
        cutting speeds. Enhanced edge strength against depth-of-cut notching in interrupted cuts.

        P Steel
        K Cast Iron
      • WK15CT
        P Steel
        K Cast Iron
      • WK20CT

        Coated carbide. MT-CVD/CVD — TiN-TiCN-Al2O3. Light and medium machining. For cast irons.

        P Steel
        K Cast Iron
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