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      Screw-On Inserts
      Screw-On Inserts
      Screw-On Inserts
      Screw-On Inserts

      TCMT-MF

      Screw-On Inserts

      Metric
      Inch
      SAP Material Number 5698123
      ISO Catalog Number TCMT16T312MF
      ANSI Catalog Number TCMT3253MF
      Grade KCP25B
      [D] Insert IC Size 9.5250 mm
      [D] Insert IC Size .3750 in
      [L10] Insert Cutting Edge Length 16.5000 mm
      [L10] Insert Cutting Edge Length .6496 in
      [S] Insert Thickness 3.9700 mm
      [S] Insert Thickness .1563 in
      [Rε] Corner Radius 1.2000 mm
      [Rε] Corner Radius .0468 in
      [D1] Insert Hole Size 4.4000 mm
      [D1] Insert Hole Size .1732 in
      See all Product Variants

      Workpiece Materials

      P Steel
      K Cast Iron

      Features and benefits

      • Versatile geometry to be used for finishing and medium applications in multiple material groups.

      • Beyond™ Drive™ grades included.

      Machine Side

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      Grades

      • K313
        K313

        Composition: A hard, low binder content, unalloyed WC/Co fine-grain grade.
        Application: Exceptional edge wear resistance combined with very high strength for machining titanium, cast irons, austenitic stainless steels, non-ferrous metals, non-metals, and most high-temp alloys. Superior thermal deformation and depth-of-cut notch resistance. The grain structure is well controlled for minimal pits and flaws, which contributes to long, reliable service.

        S High-Temp Alloys
        N Non-Ferrous
      • KC730

        KC730

        P Steel
        S High-Temp Alloys
        M Stainless Steel
      • KC8050

        composition: A newly developed, advanced cobalt-enriched carbide
        grade with a thick alumina coating.
        application: A versatile performer on a wide range of workpiece
        materials (steels, stainless steels, and cast irons) for roughing through
        finishing operations. This highly wear-resistant grade can operate with
        or without coolant at high speeds, and has exceptional edge strength
        for interrupted cuts. The micro-finished insert edge resists workpiece
        build-up and microchipping, and produces excellent surface finishes.
        For machining steels and cast irons, your first choices are the -RN and
        -MN geometries. For medium machining applications and finishing
        cuts, the -MP and -FP geometries with a positive rake are suggested.

      • KC9110
        KC9110

        Composition: Specially engineered, cobalt-enriched carbide grade with thick K-MTCVD-TiCN coating layer, an Al2O3 layer of controlled grain size, and outer layers of TiCN and TiN for maximum abrasion and wear resistance for high-speed machining.
        Application: An excellent finishing to medium machining grade for a variety of workpiece materials including most steels, ferritic and martensitic stainless steels, and cast irons. A balanced combination of deformation resistance and edge toughness. The smooth coating resists built-up edge and microchipping. For rougher cutting, use the KC9125 grade.

      • KC9125
        KC9125

        Composition: A tough cobalt-enriched carbide grade with a newly designed multilayer K-MTCVD TiCNAl2O3-TiCN-TiN coating with superior interlayer adhesion.
        Application: General-purpose turning grade for most steels and ferritic and martensitic stainless steels. The substrate design ensures adequate deformation resistance along with excellent bulk toughness and insert edge strength. Coating layers offer wear resistance over a wide range of machining conditions and reduce frictional heat, minimise microchipping, and improve workpiece surface finishes. Performs well in moderately heavy roughing to semi-finishing cuts. Use the KC9110 grade for finishing cuts.

      • KC9225

        MT-CVD-TiN-TiCN-Al2O3-TiN gradient carbide
        For continuous to slightly interrupted cuts
        For universal use in boring on stainless steels
        Reduced edge build up due to micro-polished surface

      • KC9240

        Multi-layered Tin-MT-TiCN-Al2O3-TiN CVD coating over a tough, non-enriched carbide substrate
        Designed for tough boring applications at moderate speeds and feeds
        Combination of toughness, built-up edge resistance, and wear-resistance in stainless steel applications
        Excellent thermal/mechanical shock resistance makes KC9240 inserts ideally suited for even the most challenging stainless steel applications

      • KC9240NEW

        composition: A multi layered CVD coating comprised of  TiN-MT-TiCN-Al2O3-TiN coating over  a tough, non-enriched carbide substrate
        application: This CVD coated grade is designed for tough applications at moderate speeds and feeds. KC9240 inserts offer an extraordinary combination of toughness, built-up edge resistance, and wear resistance in stainless steel applicaions. Excellent thermal/mechanical shock resistance makes KC9340 inserts ideally suited for even the most challenging stainless steel applications

      • KC9315

        CVD-TiN-TiON-AL2O3-TiN coated carbide
        Extremely wear resistant for cutting cast iron materials
        Particularly efficient in the upper cutting speed range

      • KC9320
        KC9320

        Composition: A proprietary specially toughened MTCVD-TICN and AI2O3 coating over a wear-resistant substrate.
        Application: KC9320 is specifically engineered to maximise coating adhesion and edge strength making this grade ideal in wet interrupted cutting of ductile and gray irons. It can be in a wide range of applications from finishing to roughing to maximise productivity wherever strength and reliability are needed.

      • KC9325

        CVD-TiCN-Al2O3 coated carbide
        Wear resistant grade
        For boring grey cast iron and ducticle cast iron
        For steel and dry machining applications

      • KC935

        KC935

      • KCK15
        KCK15

        Coated carbide grade with CVD multilayer coating (TiN/MT TiCN/Al2O3) and advanced Beyond™ post-coat treatment. KCK15 is a wear-resistant grade with balanced toughness for general milling of cast irons at higher speeds. Best results in dry, but can also be used wet.

        P Steel
        K Cast Iron
      • KCK15B
        KCK15B

        Composition: A multilayered coating with thick MTCVD TiCN-Al2O3-TiOCN layers applied over a carbide substrate specifically engineered for cast irons.

        Application: Delivers consistent performance in high-speed machining of gray and ductile irons. The substrate design permits the insert to stay in the cut for a long time at high speeds with minimum deformation. The thick CVD coating and post-coat treatment provide superior wear resistance ensuring long and consistent tool life. Can be applied both in straight and lightly interrupted cuts.

        P Steel
        K Cast Iron
      • KCK20
        KCK20

        A new PVD multilayer AlTiN + AlCrN coated carbide with an excellent combination of wear resistance and coating strength. The KCK20 grade is specifically engineered to maximize coating adhesion and edge strength, making this grade ideal in wet interrupted cutting of gray and ductile irons, and can also be used in dry conditions. It can be used in a wide range of applications, from finishing to roughing, to maximize productivity wherever strength and reliability are needed.

        P Steel
        K Cast Iron
      • KCK20B
        KCK20B

        Composition: A multilayered coating with thick MTCVD TiCN-Al2O3-TiOCN layers applied over a carbide substrate specifically engineered for cast irons.
        Application: Delivers consistent performance in high-speed machining of grey and ductile irons. The substrate design permits the insert to stay in the cut for a long time at high speeds with minimum deformation. The thick CVD coating and post-coat treatment provide superior wear resistance ensuring long and consistent tool life. Can be applied both in straight and lightly interrupted cuts.

        P Steel
        K Cast Iron
      • KCM15
        KCM15

        Composition: Nanostructured PVD TiAlN coated fine-grain carbide with a golden TiN top layer for better wear identification and superior surface finish.
        Application: A state-of-the-art surface condition enhances low adhesion potential to stainless steel materials and offers superior chip evacuation even in low-pressure coolant applications. Applicable for stainless steel and high-temperature resistant materials.

        P Steel
        S High-Temp Alloys
        M Stainless Steel
      • KCM25
        KCM25

        Composition: A multilayer CVD coating comprised of TiN-MT-TiCN-Al2O3 layers over a tough, cobalt-enriched carbide substrate.
        Application: This CVD-coated grade is designed for general-purpose machining of austenitic stainless steels at moderate speeds and feeds. KCM25 inserts offer an extraordinary combination of toughness, built-up edge resistance, and wear resistance in stainless steel applications.

        P Steel
        S High-Temp Alloys
        M Stainless Steel
      • KCM25B
        KCM25B

        Composition: A multilayer MTCVD-TiCN-Al2O3-TiOCN coated carbide grade.

        Application: An excellent finishing to medium machining grade for austenitic stainless steels at higher speeds and covers a broad range of steel applications in the P20-25 range. KCM15 grade in combination with unique geometries have been designed to resist depth-of-cut notching and minimize burr formation. The post-coat treatment reduces coating stresses, improves coating adhesion, minimizes microchipping and edge build-up, and improves workpiece finish.

        P Steel
        S High-Temp Alloys
        M Stainless Steel
      • KCM35
        KCM35

        Composition: A multilayer TiN-MT-TiCN-Al2O3 CVD coating over a super-tough substrate.
        Application: The KCM35 grade is engineered to take on the most brutal cast stainless steel machining applications. The substrate withstands heavy interruptions, while the coating provides the wear resistance needed for long tool life. The polished surface resists edge build-up, even at slow cutting speeds. KCM35 grade is available in insert sizes and geometries appropriate for heavy feeds and large depths of cut.

        P Steel
        S High-Temp Alloys
        M Stainless Steel
      • KCP10
        KCP10

        Composition: A specially engineered cobalt-enriched carbide grade with thick MTCVD-TiCN-Al2O3 coating for maximum wear resistance.
        Application: An excellent finishing to medium machining grade for a variety of workpiece materials, including most steels, ferritic, martensitic, and PH stainless steels, and cast irons. The cobalt-enriched substrate offers a balanced combination of deformation resistance and edge toughness, while the thick coating layers offer outstanding abrasion resistance and crater wear resistance for high-speed machining. Smooth coating provides resistance to edge build-up and microchipping and produces excellent surface finishes.

        P Steel
        K Cast Iron
      • KCP25
        KCP25

        Composition: A tough cobalt-enriched carbide grade with a newly designed multilayer MTCVD-TiCN-Al2O3 coating with superior interlayer adhesion.
        Application: Best general-purpose turning grade for most steels and ferritic and martensitic stainless steels. The substrate design ensures adequate deformation resistance with excellent insert edge strength. Coating layers offer good wear resistance over a wide range of machining conditions and the post-coat treatment minimises microchipping and improves coating adhesion to substrate leading to long tool life and improved workpiece finishes.

        P Steel
        K Cast Iron
      • KCP25B
        KCP25B

        Composition: A tough cobalt-enriched carbide grade with a newly designed multilayer MTCVD-TiCN-Al2O3-TiOCN coating with superior interlayer adhesion.

        Application: Best general-purpose turning grade for most steels and ferritic and martensitic stainless steels. The substrate design ensures adequate deformation resistance with excellent insert edge strength. Coating layers offer good wear resistance over a wide range of machining conditions and the post-coat treatment minimises microchipping and improves coating adhesion to substrate leading to long tool life and improved workpiece finishes.

        P Steel
        K Cast Iron
      • KCP30
        KCP30

        Composition: A newly engineered, tough cobalt-enriched carbide grade with an advanced multilayer TiN-MT-TiCN-Al2O3 coating.
        Application: For medium to rough machining of all carbon, alloy, and stainless steels. The substrate design provides superior insert strength that is required for this application, and the multilayer coating adds wear resistance to the insert resulting in long tool life.

        P Steel
      • KU30T

        composition: A tough cobalt-enriched substrate with a multilayered
        CVD coating.
        application: KU30T is a new grade designed specifically for the job shop
        industry where a wide range of workpiece materials is employed. With
        its tough cobalt-enriched substrate, KU30T performs very effectively in
        roughing through finishing operations. The post-coat grinding of the
        insert permits stable insert seating while the post-coat treatment resists
        workpiece build-up and microchipping. For machining steels, cast irons,
        and stainless steels, your first choices are the –RN, -MN, and the –RP
        geometries. For medium machining and finishing, the –MP and –FP
        geometries with a positive rake are suggested.

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