{"product_id":"kennametal-1113841-grooving-insert-kc850-carbide-left-hand","title":"Kennametal 1113841 Grooving Insert KC850 Carbide Left Hand","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 1113841 is a solid carbide grooving insert in the Top Notch series, designed for precision external grooving and turning operations on CNC lathes and turning centers. It carries a CVD-applied multilayer coating of TiC, TiCN, and TiN, which delivers wear resistance and thermal stability across a range of cutting conditions. The insert is left-hand oriented, with a cutting width of 6.35 mm (0.25 inches), a maximum depth of cut of 6.35 mm (0.25 inches), and a full-radius corner profile with a corner radius of 3.18 mm (0.125 inches). It is rated for material grades C5 and C6, suiting it to machining steel, cast iron, and similar ferrous workpiece materials. Licensed machinists and CNC operators install this insert in compatible Top Notch toolholders.\u003c\/p\u003e\u003cp\u003eThe 1113841 is intended for use in production turning environments where consistent groove geometry and tool life are critical. The NR insert style with a neutral rake angle and 55-degree included angle is suited to grooving passes in the 5.00 mm to 10.00 mm depth-of-cut range. This insert is a metric-measurement product sized at 4125 with an insert seat size of 4, making it compatible with Top Notch series toolholding systems that accept this seat designation. It is well-suited to both roughing and finishing groove passes where a full-radius profile is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide substrate with CVD multilayer TiC, TiCN, and TiN coating for extended tool life in ferrous machining\u003c\/li\u003e\n\u003cli\u003eLeft-hand orientation for groove operations requiring left-hand cutting direction\u003c\/li\u003e\n\u003cli\u003eFull corner radius of 3.18 mm (0.125 inches) for smooth groove floor finish\u003c\/li\u003e\n\u003cli\u003eCutting width of 6.35 mm (0.25 inches) with maximum depth of cut of 6.35 mm (0.25 inches)\u003c\/li\u003e\n\u003cli\u003eNeutral rake geometry with 55-degree included angle for stable chip formation\u003c\/li\u003e\n\u003cli\u003ePart of the Top Notch series, a widely used indexable grooving platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in Top Notch series toolholders that accept insert seat size 4 and the NR4125 insert style. Consult the toolholder manufacturer specifications to confirm seat and clamping compatibility before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert is installed and indexed by a qualified machinist or CNC toolroom technician. Power down and lock out the machine before seating or replacing the insert. Use the correct Top Notch clamping screw and torque driver as specified by the toolholder manufacturer. Inspect the insert seat for chips or debris before seating the new insert to ensure proper contact and geometry.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NR\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: KC850\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Finish\u003c\/strong\u003e: TiC, TiCN, TiN\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: 6.35 mm (0.25 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 6.35 mm (0.25 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut Range\u003c\/strong\u003e: 5.00 mm to 10.00 mm (0.20 inches to 0.30 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 3.18 mm (0.125 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Radius\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Neutral\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: 4125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Seat Size\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C5, C6\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: 0.057 pounds\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: 1113841\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51731813073202,"sku":"1113841","price":379.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/08ff545be2b0470a9eedbf0108823c56.jpg?v=1788735215","url":"https:\/\/voomisupply.com\/products\/kennametal-1113841-grooving-insert-kc850-carbide-left-hand","provider":"Voomi Supply","version":"1.0","type":"link"}