{"product_id":"kennametal-3643853-npl51-kd1425-profiling-insert","title":"Kennametal 3643853 NPL51 KD1425 Profiling Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 3643853 is a parallelogram-shaped carbide profiling insert in the Top Notch series, designated style NPL51 with manufacturer grade KD1425. It measures 0.375 inches in length, 0.25 inches in width, and 0.125 inches in thickness, with a corner radius of 0.0156 inches (0.40 mm). The insert features a negative rake angle, a 55-degree included angle, and a zero-degree relief angle. With four cutting edges and a screw-type holding method, it is engineered for profiling and turning operations on non-ferrous metal workpieces. Installation and tool changes are handled by machinists and CNC toolroom technicians.\u003c\/p\u003e\u003cp\u003eThis insert is designed for profiling and turning applications in non-ferrous metal materials, classified under primary workpiece material code N, which covers materials such as aluminum, copper, and brass alloys. The maximum depth of cut is 0.125 inches. Its left-hand configuration suits specific toolholder orientations common in CNC turning centers and manual lathes where right-to-left cutting direction is required. The common chipbreaker geometry supports general-purpose profiling across a range of non-ferrous workpiece conditions.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eNPL51 insert style in parallelogram shape with 55-degree included angle\u003c\/li\u003e\n\u003cli\u003eKD1425 grade carbide with PCD coating finish\u003c\/li\u003e\n\u003cli\u003eLeft-hand cutting orientation for specific toolholder compatibility\u003c\/li\u003e\n\u003cli\u003eFour cutting edges maximize insert utilization and reduce tooling cost per edge\u003c\/li\u003e\n\u003cli\u003e0.0156-inch corner radius suits fine profiling and contour work on non-ferrous materials\u003c\/li\u003e\n\u003cli\u003eScrew-type insert holding method for secure, repeatable indexing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eConforms to standards NPL51 and ISO code KCGX110304L15. Designed as a Top Notch series OEM-style replacement insert for compatible NPL51-style screw-clamp toolholders used in profiling and turning of non-ferrous metals.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInsert seating and clamping should be performed with the machine fully powered down and the spindle locked. Use the appropriate Torx or hex key driver specified by the toolholder manufacturer to secure the clamping screw — do not over-tighten or under-tighten the screw. Verify insert orientation and hand before resuming cutting operations. Indexing or replacement should be carried out by a qualified machinist following the toolholder manufacturer's service instructions.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NPL51\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KD1425\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: N10, N20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape\u003c\/strong\u003e: Parallelogram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Left Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.375 inches (9.53 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Width\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 inches (3.18 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0156 inches (0.40 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 55 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipbreaker\u003c\/strong\u003e: Common\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: PCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Classification\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Non-Ferrous Metal (Code N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Profiling, Turning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: KCGX110304L15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Top Notch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.025 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: 3643853\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51732727169330,"sku":"3643853","price":186.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/190186907d406cd1c597099e275d08a4.jpg?v=1788746072","url":"https:\/\/voomisupply.com\/products\/kennametal-3643853-npl51-kd1425-profiling-insert","provider":"Voomi Supply","version":"1.0","type":"link"}