{"product_id":"kennametal-5591172-turning-insert-ccmt3251mf-kcm25b-carbide","title":"Kennametal 5591172 Turning Insert CCMT3251MF KCM25B Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KENNAMETAL 5591172 is a solid carbide turning insert with ANSI designation CCMT3251MF and ISO designation CCMT09T304, designed for precision metal-cutting operations in CNC and manual turning applications. It features an 80-degree diamond (rhombic) shape with a 0.0156 inch corner radius and a 0.375 inch inscribed circle diameter. The KCM25B grade incorporates a multilayer MTCVD coating consisting of TiCN, Al2O3, and TiOCN, providing high toughness on steel and moderate wear-resistance on stainless steel. Insert thickness is 0.1563 inches. This insert is installed by machining professionals and CNC operators in production turning, facing, and boring setups.\u003c\/p\u003e\n\u003cp\u003eThis insert is suited for finishing and medium machining operations on steel (P-grade materials), stainless steel (M-grade materials), and superalloys and titanium. The MF chip breaker geometry supports controlled chip formation during these operations. Typical applications include external turning, facing, and boring passes where consistent surface finish and edge life are required. The neutral hand orientation allows flexible use across a range of toolholder configurations. Maximum depth of cut is 0.1268 inches, making it appropriate for light-to-medium stock removal.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eANSI code CCMT3251MF with ISO equivalent CCMT09T304 for broad toolholder compatibility\u003c\/li\u003e\n  \u003cli\u003eKCM25B grade with multilayer MTCVD coating: TiCN, Al2O3, and TiOCN for toughness and wear resistance\u003c\/li\u003e\n  \u003cli\u003e80-degree diamond insert shape with positive rake and positive side clearance for clean entry angles\u003c\/li\u003e\n  \u003cli\u003eMF chip breaker geometry rated for finishing and medium machining operations\u003c\/li\u003e\n  \u003cli\u003e2 cutting edges per insert; screw-on holding method for secure, repeatable seating\u003c\/li\u003e\n  \u003cli\u003eChamfered and honed cutting edge style for edge stability and reduced chipping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in screw-on CCMT-style toolholders accepting a 3251 size code insert. Rated for primary workpiece materials including steel, stainless steel, superalloys, and titanium. Conforms to ANSI and ISO insert standards.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a qualified machinist or CNC technician. Power down the machine and confirm the spindle is fully stopped before seating or replacing inserts. Use the appropriate torx or hex key to secure the clamping screw to the toolholder manufacturer specification; do not overtighten. Inspect the insert pocket and screw threads for wear or debris before installing a new insert.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: CCMT3251\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: CCMT09T304\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: C - Diamond (Rhombic) 80 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.375 inches (3\/8 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0156 inches (1\/64 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.1563 inches (5\/32 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.3808 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.1268 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1732 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSide Clearance\u003c\/strong\u003e: Positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Chamfered and Honed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: MF\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker Operation\u003c\/strong\u003e: Finishing and Medium Machining\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KCM25B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiCN, Al2O3, TiOCN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: MTCVD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Classification\u003c\/strong\u003e: CVD Multilayer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel, Stainless Steel, Superalloys and Titanium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade Characteristics\u003c\/strong\u003e: Steel (P) - High Toughness; Stainless Steel (M) - Moderate Wear-Resistance and Toughness\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Use Application\u003c\/strong\u003e: Turning, Facing, Boring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: KENNAMETAL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5591172\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51747536175410,"sku":"5591172","price":212.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e0de0e409644d15ff47253ea72052a6c_3e124e3e-5563-4b68-a323-b18efbd61a38.jpg?v=1788882119","url":"https:\/\/voomisupply.com\/products\/kennametal-5591172-turning-insert-ccmt3251mf-kcm25b-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}