{"product_id":"kennametal-1161895-ccmt21-51lf-kc730-carbide-turning-insert","title":"Kennametal 1161895 CCMT21.51LF KC730 Carbide Turning Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 1161895 is a solid carbide turning insert designed for precision metal removal on CNC and manual lathes. It carries the CCMT21.51LF industry designation, features an 80-degree diamond (rhombic) shape, and is finished with a PVD-applied TiN coating in the KC730 grade. The LF chip breaker geometry is optimized for finishing and light machining passes, producing tight tolerances and smooth surface finishes. With a positive rake angle of 5 degrees and a 7-degree relief angle, the insert reduces cutting forces and minimizes heat buildup at the edge. The cutting edge is honed for consistency. This insert is sold individually but requires a minimum order of 5 units.\u003c\/p\u003e\u003cp\u003eThis insert is suited for turning, facing, and boring operations on steel, stainless steel, cast iron, and superalloys including titanium. The KC730 grade delivers high wear resistance with moderate toughness across P, M, and K workpiece material classifications. It is intended for use in screw-on style toolholders that accept CCMT-style inserts. Machinists and CNC programmers working in job shops, production environments, and aerospace or energy component manufacturing will find this insert appropriate for light finishing depths of cut up to 0.0492 inches (1.25 mm).\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eKC730 grade with PVD TiN coating for high wear resistance on steel and stainless steel\u003c\/li\u003e\n\u003cli\u003eLF chip breaker geometry optimized for finishing and light machining applications\u003c\/li\u003e\n\u003cli\u003e80-degree diamond insert shape provides a strong cutting edge with good access in profiling\u003c\/li\u003e\n\u003cli\u003ePositive rake angle (5 degrees) and honed cutting edge reduce cutting forces\u003c\/li\u003e\n\u003cli\u003eTwo usable cutting edges per insert\u003c\/li\u003e\n\u003cli\u003eCompatible with ANSI (CCMT2151) and ISO (CCMT060204) standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a screw-on style replacement insert conforming to ANSI insert code CCMT2151 and ISO insert code CCMT060204, fitting toolholders engineered for CCMT-profile inserts with a 0.1142-inch screw hole diameter.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a machinist or CNC tooling technician using the appropriate Torx or hex key for the screw-on insert pocket. Always index or replace inserts with the machine fully stopped and in a safe, de-energized state. Inspect the insert pocket seat and clamping screw for wear or debris before seating a new insert. Do not exceed the maximum depth of cut specified for this geometry, as doing so can chip the cutting edge and compromise workpiece surface quality.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: CCMT2151\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: CCMT060204\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: C - Diamond (Rhombic) 80 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KC730\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiN (PVD process)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: LF - Finishing \/ Light Machining\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.25 inches (1\/4 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 6.45 mm (0.2539 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.0938 inches (3\/32 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0156 inches (1\/64 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1142 inches (2.80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.0492 inches (1.25 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 7 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 5 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Clearance\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Honed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Steel, Stainless Steel, Superalloys and Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: Turning, Facing, Boring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C2, C3, C4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0024 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: 1161895\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51730043470130,"sku":"1161895","price":182.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/283365d4597713c2549e4d678d22c899.jpg?v=1788710696","url":"https:\/\/voomisupply.com\/products\/kennametal-1161895-ccmt21-51lf-kc730-carbide-turning-insert","provider":"Voomi Supply","version":"1.0","type":"link"}