{"product_id":"kennametal-4109669-ng2047-kcu25-grooving-insert-altin-carbide","title":"Kennametal 4109669 NG2047 KCU25 Grooving Insert Altin Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 4109669 is a solid carbide grooving insert designed for precision external grooving and parting operations on CNC lathes and turning centers. Manufactured to the NG2047 geometry in the Top Notch series, this insert carries a KCU25 grade designation and an AlTiN PVD coating for improved heat resistance and tool life in a range of workpiece materials. The cutting width is 1.19 mm (0.0469 inches) with a maximum depth of cut of 1.27 mm (0.0500 inches). A 0.09 mm corner radius provides a near-sharp edge profile suited to fine-pitch grooving. The insert is right-hand orientation and is secured via a clamp-style holding method. Machinists and tooling technicians working in production turning environments are the primary installers.\u003c\/p\u003e\u003cp\u003eThis insert is applied in metric-standard grooving toolholders within the Top Notch system. Typical applications include shallow external grooves, undercuts, and snap-ring grooves on turned components in automotive, aerospace, and general metalworking. The KCU25 PVD-coated grade performs in steel, stainless steel, and cast iron at moderate to high cutting speeds. The insert is not designed as a full-radius or multi-use tool and is intended for single-application grooving passes where dimensional control of groove width is critical.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAlTiN PVD coating for elevated heat resistance and extended tool life\u003c\/li\u003e\n\u003cli\u003e1.19 mm cutting width for precise, repeatable groove geometry\u003c\/li\u003e\n\u003cli\u003eMaximum depth of cut of 1.27 mm suitable for shallow grooving and undercut work\u003c\/li\u003e\n\u003cli\u003e0.09 mm corner radius for near-sharp edge definition on fine-pitch features\u003c\/li\u003e\n\u003cli\u003eClamp-style insert retention for rigid, repeatable seating in Top Notch holders\u003c\/li\u003e\n\u003cli\u003eSolid carbide substrate with KCU25 grade for wear resistance across common workpiece materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Top Notch series clamp-style grooving toolholders accepting the NG insert style in size 2047. The MSC and manufacturer cross-reference number for this insert is NG2047R\/L.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician with the machine in a full stop and locked-out state before any insert change. Use the appropriate torx or clamp screw key specified by the Top Notch toolholder to secure the insert — do not overtighten the clamping screw beyond the toolholder manufacturer's seating guideline. Inspect the insert pocket and clamping surfaces for chips or debris before seating the insert. Confirm insert orientation (right hand) matches the toolholder configuration before resuming cutting operations.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Top Notch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 2047\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KCU25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C2, C6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: AlTiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Width\u003c\/strong\u003e: 1.19 mm (0.0469 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 1.27 mm (0.0500 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut Range\u003c\/strong\u003e: 0.00 mm to 2.00 mm (0.0000 to 0.0750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.09 mm (0.0035 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Height\u003c\/strong\u003e: 5.56 mm (0.2190 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Width\u003c\/strong\u003e: 3.84 mm (0.151 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 55 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Radius\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-use Tool\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e: Metric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 1.7 x 5.2 x 9.6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.001 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Package Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\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: 4109669\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51733716894002,"sku":"4109669","price":214.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/b303a66ad1d558bbe7e5365b7fa2b16b.jpg?v=1788758764","url":"https:\/\/voomisupply.com\/products\/kennametal-4109669-ng2047-kcu25-grooving-insert-altin-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}