Kennametal 1962946 NG4096L KC5025 .300 Width Top Notch Carbide Grooving Insert

This is a factory-new, sealed box of 10 Kennametal NG4096L-.025R-.300 Top Notch carbide grooving and cutoff inserts in grade KC5025, Kennametal part number 00035493 / 1962946, drawing reference DWG 1069904R02. The NG designation identifies these as negative-geometry Top Notch style inserts: 40 indicates the insert size (No. 4 blade width compatibility), 96 is an internal geometry/style code, L denotes left-hand cutting direction, .025R specifies a 0.025 inch corner radius, and .300 specifies the 0.300 inch (full) groove width. KC5025 is a Kennametal CVD-coated cemented carbide grade featuring a TiCN/Al2O3 multilayer coating over a tough substrate, designed for steel and interrupted-cut grooving at moderate-to-high cutting speeds with good resistance to both wear and thermal cracking. These inserts are compatible with Kennametal Top Notch NG-style toolholders and blade systems designed for the No. 4 insert seat, used in OD grooving, profiling, and cutoff operations on CNC lathes and turning centers; the double-ended insert geometry visible in the photos confirms two usable cutting edges per insert.

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