{"product_id":"kennametal-5144599-grooving-insert-kcu25-carbide-altin","title":"Kennametal 5144599 Grooving Insert KCU25 Carbide Altin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 5144599 is a solid carbide grooving insert designed for precision external grooving and parting operations on CNC lathes and turning centers. Manufactured in the R250GUP style with a KCU25 grade carbide substrate, this insert features a PVD-applied AlTiN coating for extended tool life in demanding cutting environments. The GUP chip breaker geometry promotes controlled chip evacuation during grooving. With a cutting width of 0.25 inches (6.35 mm) and a full corner radius of 0.125 inches (3.18 mm), it delivers consistent groove geometry on each pass. This insert is installed by machinists and CNC tooling specialists in production turning environments.\u003c\/p\u003e\u003cp\u003eThis insert is suited for grooving operations on ferrous and non-ferrous materials in both high-production and job-shop settings. The neutral hand orientation makes it adaptable across a range of standard grooving toolholders. It belongs to the Series A4 insert family and carries material grade designations of C2 and C6, covering a broad range of workpiece material categories. The multi-use designation supports use in grooving, parting, and profile turning applications where a full radius profile is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eKCU25 solid carbide grade with PVD AlTiN coating for wear resistance and thermal stability\u003c\/li\u003e\n\u003cli\u003eGUP chip breaker geometry for controlled chip flow during grooving operations\u003c\/li\u003e\n\u003cli\u003eFull corner radius of 0.125 inches (3.18 mm) for consistent groove profile\u003c\/li\u003e\n\u003cli\u003eCutting width of 0.25 inches (6.35 mm) with neutral hand orientation\u003c\/li\u003e\n\u003cli\u003eSeries A4 insert family compatible with standard A4-style grooving toolholders\u003c\/li\u003e\n\u003cli\u003eMulti-use design suitable for grooving, parting, and profile turning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in Series A4 grooving toolholders that accept R-style inserts with a 0.25 inch cutting width. Refer to KENNAMETAL toolholder documentation for confirmed holder compatibility before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC tooling technician. Ensure the machine spindle is fully stopped and the tool turret is powered down before seating or removing inserts. Use the appropriate torx or hex key to the toolholder manufacturer's specified clamping method — do not overtighten the clamp screw. Verify insert seating and clamp engagement before resuming any cutting operation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: GUP\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: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Width\u003c\/strong\u003e: 0.25 inches (6.35 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Height\u003c\/strong\u003e: 0.226 inches (5.74 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.125 inches (3.18 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.1815 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Radius\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-use Tool\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: A4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.06 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: 5144599\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51749375705394,"sku":"5144599","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/21a74f5d92dfba9d4936e20f501d68b7.jpg?v=1788905246","url":"https:\/\/voomisupply.com\/products\/kennametal-5144599-grooving-insert-kcu25-carbide-altin","provider":"Voomi Supply","version":"1.0","type":"link"}