{"product_id":"kennametal-5591128-ccmt3251fp-turning-insert-kcm25b-carbide","title":"Kennametal 5591128 CCMT3251FP Turning Insert KCM25B Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 5591128 is a solid carbide turning insert with ANSI insert code CCMT3251FP and grade KCM25B. It features an 80-degree diamond (rhombic) shape and a multilayer CVD coating — TiCN, Al2O3, and TiOCN applied via MTCVD process — engineered for finishing operations on steel, stainless steel, and superalloys including titanium. The inscribed circle measures 3\/8 inches (0.3750 inches), the corner radius is 1\/64 inch (0.0156 inches), and insert thickness is 5\/32 inch (0.1563 inches). With a positive rake angle of 15 degrees and honed cutting edge style, this insert is designed for high-toughness performance on P-group steels and moderate wear resistance on M-group stainless steel applications.\u003c\/p\u003e\u003cp\u003eThis insert is intended for CNC lathe and turning center operations including turning, facing, and boring in production and job-shop environments. The KCM25B grade targets finishing passes on steel and stainless steel workpieces where consistent surface finish and dimensional accuracy are required. The screw-on holding method suits standard CCMT toolholders. Primary workpiece material codes are P and M, covering carbon steels, alloy steels, stainless steels, and superalloys and titanium. It is a neutral-hand insert compatible with both left- and right-hand toolholder configurations.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eANSI code CCMT3251FP, ISO code CCMT09T304 — dual-standard identified for global toolholder compatibility\u003c\/li\u003e\n\u003cli\u003eMultilayer CVD coating: TiCN, Al2O3, and TiOCN via MTCVD for wear resistance at elevated cutting temperatures\u003c\/li\u003e\n\u003cli\u003e80-degree diamond insert shape with positive side clearance and positive rake for reduced cutting forces during finishing\u003c\/li\u003e\n\u003cli\u003eChip breaker style FP optimized for finishing operations on steel and stainless steel\u003c\/li\u003e\n\u003cli\u003e2 cutting edges per insert; screw-on mounting method for secure, repeatable seating\u003c\/li\u003e\n\u003cli\u003eMaximum depth of cut 0.1268 inches; suitable for light to moderate finishing passes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement turning insert for standard CCMT screw-on toolholders conforming to ANSI and ISO specifications. Compatible with toolholders accepting CCMT 3251 (ANSI) or CCMT 09T304 (ISO) insert seats. Suitable for turning, facing, and boring applications on steel, stainless steel, and superalloys including titanium (primary workpiece material codes P and M).\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or tooling technicians. Before changing inserts, ensure the machine spindle is fully stopped and all power is locked out per shop lockout-tagout procedures. Use the appropriate torx or hex key to seat the screw-on insert securely in the toolholder pocket; do not overtighten, as this can fracture the carbide. Verify insert seating and toolholder projection before returning the machine to service.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: CCMT3251FP\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: 3\/8 inches (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1\/64 inch (0.0156 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 5\/32 inch (0.1563 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: 15 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\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\u003eChip Breaker\u003c\/strong\u003e: FP (Finishing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Honed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiper Edge\u003c\/strong\u003e: No\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 (CVD Classification)\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 (P), Stainless Steel (M), 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\u003eInsert Holding Method\u003c\/strong\u003e: Screw-On\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\u003eMaterial Grade\u003c\/strong\u003e: C1, C2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1 insert per package (MOQ 5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 5591128\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51738218135858,"sku":"5591128","price":212.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/ceab44dc84c9d19479517ca6255751a3_c4e81c9f-6a83-4fa3-a572-b59bdae7534a.jpg?v=1788796891","url":"https:\/\/voomisupply.com\/products\/kennametal-5591128-ccmt3251fp-turning-insert-kcm25b-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}