{"product_id":"kennametal-4176181-threading-insert-nt1l-kcu10-carbide","title":"Kennametal 4176181 Threading Insert NT1L KCU10 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 4176181 is a carbide threading insert engineered for internal thread-cutting operations on CNC lathes and turning centers. Manufactured in the NT1L style with KCU10 grade carbide and an AlTiN finish applied via PVD coating, this insert delivers consistent performance in partial profile 60-degree thread forms. The left-hand configuration suits applications where conventional right-hand tooling is not compatible with the setup. The AlTiN coating improves wear resistance and extends tool life in ferrous and hardened materials. It seats into Top Notch compatible toolholders and is sized for precision thread turning at the insert size 1 standard.\u003c\/p\u003e\u003cp\u003eThis insert is intended for internal threading applications covering a pitch range of 1.00 to 2.00 mm and 12 to 24 TPI. It is used in machine shops, production turning environments, and tool rooms where consistent thread geometry is required on bores and internal features. The 60-degree included angle makes it suitable for unified and metric partial profile threading. Licensed machinists and CNC operators are the primary installers. Sold individually with a minimum order quantity of 5 units per transaction.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eKCU10 grade carbide with PVD-applied AlTiN coating for extended wear life\u003c\/li\u003e\n\u003cli\u003ePartial profile 60-degree thread form covers both metric and unified thread families\u003c\/li\u003e\n\u003cli\u003eLeft-hand insert orientation for specialized internal threading setups\u003c\/li\u003e\n\u003cli\u003eInternal pitch range: 1.00 to 2.00 mm and 12 to 24 TPI\u003c\/li\u003e\n\u003cli\u003eNT1L Top Notch insert style for secure, repeatable seating in compatible toolholders\u003c\/li\u003e\n\u003cli\u003eCorner radius of 0.08 mm (0.0031 inches) for precise thread root geometry\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Top Notch series toolholders accepting NT insert style, size 1 inserts. Verify toolholder designation and insert pocket geometry before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before changing inserts. Use the correct torque wrench and clamping screw per the toolholder manufacturer specification to avoid insert rocking or micro-movement during cuts. Inspect the insert pocket for chips or debris before seating the new insert, as contamination in the pocket affects thread accuracy.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NT1L\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KCU10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Coating\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\u003eThread Type\u003c\/strong\u003e: Internal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Standard\u003c\/strong\u003e: Partial Profile 60 Degree\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Left Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Pitch Range\u003c\/strong\u003e: 1.00 to 2.00 mm \/ 12 to 24 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.08 mm (0.0031 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 2.54 mm (0.1 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip to Top of Insert\u003c\/strong\u003e: 0.0429 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Top Notch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.04 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23291804\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: 4176181\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51746645934386,"sku":"4176181","price":159.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/8fadab71b04bc84c3b99907d4fa927b1.jpg?v=1788872133","url":"https:\/\/voomisupply.com\/products\/kennametal-4176181-threading-insert-nt1l-kcu10-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}