{"product_id":"kennametal-4109788-grooving-insert-ng3088-kcu25-solid-carbide","title":"Kennametal 4109788 Grooving Insert NG3088 KCU25 Solid Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KENNAMETAL 4109788 is a solid carbide grooving insert designed for precision external grooving operations on CNC lathes and turning centers. Built to the NG3088 geometry in the Top Notch series, this left-hand insert features an AlTiN (aluminum titanium nitride) PVD coating that improves heat resistance and tool life in demanding cutting conditions. The cutting width measures 2.24 mm (0.0882 inches) with a maximum depth of cut of 2.39 mm (0.0941 inches). A corner radius of 0.19 mm (0.0075 inches) provides a controlled edge form for consistent groove geometry. This insert is intended for use by machinists and toolroom professionals on production turning equipment.\u003c\/p\u003e\n\u003cp\u003eThis insert is suited for light to medium grooving applications where tight groove width control is required. The Top Notch series clamp-held insert system is commonly found on CNC turning centers handling shaft, sleeve, and ring components across metalworking, aerospace, and general machining environments. The KCU25 grade with AlTiN PVD coating is appropriate for a range of ferrous and non-ferrous workpiece materials where coating durability and edge retention matter. Left-hand orientation makes this insert suitable for specific toolholder configurations that require cutting from right to left relative to the workpiece.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eAlTiN PVD coating for enhanced heat and wear resistance in high-speed grooving\u003c\/li\u003e\n  \u003cli\u003eSolid carbide construction in manufacturer grade KCU25\u003c\/li\u003e\n  \u003cli\u003eCutting width of 2.24 mm (0.0882 inches) for precise groove sizing\u003c\/li\u003e\n  \u003cli\u003eMaximum depth of cut of 2.39 mm (0.0941 inches), within a range of 2.00 to 3.00 mm\u003c\/li\u003e\n  \u003cli\u003eLeft-hand insert orientation for compatible Top Notch clamp-style toolholders\u003c\/li\u003e\n  \u003cli\u003eCorner radius of 0.19 mm for controlled edge geometry without full radius profile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use with Top Notch series clamp-style toolholders accepting NG3088 insert size. The MSC\/Manufacturer cross-reference number is NG3088R\/L. Verify toolholder insert pocket geometry and hand orientation before installation.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a qualified machinist following the machine tool manufacturer guidelines for insert seating and clamp torque. Power down and lock out the turning center before changing inserts. Ensure the insert pocket and clamp are free of chips and debris before seating the insert, as contamination can cause improper seating and premature edge failure. Do not exceed the maximum depth of cut specification for this insert geometry.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Top Notch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KCU25\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: Left Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Width\u003c\/strong\u003e: 2.24 mm (0.0882 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 2.39 mm (0.0941 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut Range\u003c\/strong\u003e: 2.00 to 3.00 mm (0.0750 to 0.1000 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Height\u003c\/strong\u003e: 8.74 mm (0.3440 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Width\u003c\/strong\u003e: 4.98 mm (0.196 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.19 mm (0.0075 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 Size\u003c\/strong\u003e: 3088\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C2, C6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Radius\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\u003eWeight\u003c\/strong\u003e: 0.025 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23242105\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: 4109788\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51730283200818,"sku":"4109788","price":252.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/cae6ee98aecad96262e7f7141bc1997b.jpg?v=1788714606","url":"https:\/\/voomisupply.com\/products\/kennametal-4109788-grooving-insert-ng3088-kcu25-solid-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}