{"product_id":"kennametal-2425781-turning-insert-cpmt2151lf-kc5025","title":"Kennametal 2425781 Turning Insert CPMT2151LF KC5025","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 2425781 is a solid carbide turning insert with ANSI designation CPMT2151LF and ISO designation CPMT060204, offered in the KC5025 grade with a PVD-applied TiAlN coating. It features an 80-degree diamond (rhombic) shape with a positive rake angle of 5 degrees and a positive side clearance. The inscribed circle measures 0.25 inches, the insert length is 6.45 mm (0.2539 inches), and the corner radius is 1\/64 inch (0.0156 inches). With two cutting edges, a honed cutting edge style, and an LF chip breaker geometry, this insert is suited to finishing and light machining operations. It is held in the toolholder via a screw-on method.\u003c\/p\u003e\u003cp\u003eThis insert is designed for turning, facing, and boring applications and is rated for use on stainless steel and superalloys as its primary workpiece materials, with additional suitability for steel, cast iron, aluminum, and non-ferrous materials. The KC5025 grade provides moderate wear resistance and toughness across material categories P, M, K, N, and S. The neutral hand orientation and 11-degree relief angle suit a wide range of standard screw-on toolholders used in production and job-shop turning environments. Licensed machinists and tooling technicians working on CNC lathes and turning centers are the typical end users.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eKC5025 grade with PVD TiAlN coating for moderate wear resistance and toughness on stainless steel, superalloys, steel, cast iron, and non-ferrous materials\u003c\/li\u003e\n\u003cli\u003e80-degree diamond (rhombic) insert shape with ANSI code CPMT2151 and ISO code CPMT060204\u003c\/li\u003e\n\u003cli\u003eLF chip breaker geometry optimized for finishing and light machining cuts\u003c\/li\u003e\n\u003cli\u003ePositive rake (5 degrees) and positive side clearance for reduced cutting forces\u003c\/li\u003e\n\u003cli\u003eHoned cutting edge style with two usable cutting edges per insert\u003c\/li\u003e\n\u003cli\u003eScrew-on holding method with a 0.1142-inch hole diameter for secure, repeatable seating\u003c\/li\u003e\n\u003cli\u003eMaximum depth of cut rated at 1.25 mm (0.0492 inches)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style screw-on replacement insert compatible with CPMT-style toolholders conforming to ANSI and ISO standards for 2151 and 060204 insert sizes respectively.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a qualified machinist or tooling technician on a CNC or manual turning center. Power down and lock out the machine spindle before indexing or replacing inserts. Use the correct torque wrench and manufacturer-specified screw to seat the insert; overtightening the clamp screw can fracture the carbide substrate. Verify insert seating and toolholder pocket condition before resuming cuts.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: CPMT2151\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: CPMT060204\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KC5025\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiAlN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: C - Diamond (Rhombic) 80-Degree\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.25 inches (1\/4 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 6.45 mm (0.2539 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 3\/32 inch (0.0938 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\u003eHole Diameter\u003c\/strong\u003e: 0.1142 inches (2.80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 1.25 mm (0.0492 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 5 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\u003eCutting Edge Style\u003c\/strong\u003e: Honed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: LF\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker Operation\u003c\/strong\u003e: Finishing; Light Machining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolding Method\u003c\/strong\u003e: Screw-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel; Superalloys and Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C2; C6\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\u003ePackage Quantity\u003c\/strong\u003e: 1 insert per package (minimum order quantity: 5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0022 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: 2425781\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51739541340466,"sku":"2425781","price":185.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6d12c2b3d1ea1ba15754314f0f781e74.jpg?v=1788815992","url":"https:\/\/voomisupply.com\/products\/kennametal-2425781-turning-insert-cpmt2151lf-kc5025","provider":"Voomi Supply","version":"1.0","type":"link"}