{"product_id":"kennametal-4176015-threading-insert-na3l4-kcu10-carbide","title":"Kennametal 4176015 Threading Insert NA3L4 KCU10 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 4176015 is a carbide threading insert in the Top Notch series, designed for cutting Acme threads at 4 threads per inch (TPI). It carries a KCU10 manufacturer grade and features an AlTiN finish applied via PVD coating process. The insert is configured for left-hand operation and is compatible with both internal and external threading applications. With a 29-degree included angle and a corner radius of 0.0050 inches, it is engineered for controlled chip formation and consistent thread form on Acme-profile workpieces. Licensed machinists and CNC operators install this insert in Top Notch-compatible toolholders for precision threading on lathes and turning centers.\u003c\/p\u003e\u003cp\u003eThis insert is suited for threading operations on Acme-profile threads in both internal and external configurations. The left-hand orientation makes it appropriate for applications requiring reverse-hand thread cutting. At 4 TPI, it targets coarse Acme thread pitches common in lead screws, power screws, and linear motion components found in industrial and production machining environments. The KCU10 carbide grade with AlTiN PVD coating provides wear resistance across a range of ferrous and non-ferrous materials.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCarbide substrate with AlTiN finish via PVD coating process for extended wear resistance\u003c\/li\u003e\n\u003cli\u003eKCU10 manufacturer grade suited for threading operations on a range of workpiece materials\u003c\/li\u003e\n\u003cli\u003eLeft-hand insert orientation for reverse-hand Acme thread cutting\u003c\/li\u003e\n\u003cli\u003e29-degree included angle matched to Acme thread profile standard\u003c\/li\u003e\n\u003cli\u003e4 TPI internal and external threading capability\u003c\/li\u003e\n\u003cli\u003eInsert Size 3 in the Top Notch series for use with compatible Top Notch toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Top Notch series toolholders that accept Insert Size 3. Suitable for internal and external Acme thread forms at 4 TPI. Confirm toolholder compatibility with left-hand insert style NA before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert is installed and replaced by qualified machinists or CNC tooling technicians. Power down and lock out the machine before seating or removing the insert. Use the appropriate torx or clamp-style key specified by the toolholder manufacturer to secure the insert to the correct clamp torque per the toolholder documentation. Verify insert orientation and hand designation match the programmed toolpath before resuming cutting operations.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NA3L4\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 Standard\u003c\/strong\u003e: Acme\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Internal and External\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\u003c\/strong\u003e: 4 TPI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 29 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Top Notch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth of Cutting Tip\u003c\/strong\u003e: 0.0874 inches (2.22 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0050 inches (0.13 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip to Top of Insert\u003c\/strong\u003e: 0.1331 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.1949 inches (4.95 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.021 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: 4176015\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51744000114994,"sku":"4176015","price":214.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/37e3986c49ca576751394a534d9e7e8d_b7c1ccea-4948-470d-afc5-3ae7dfd572c4.jpg?v=1788852667","url":"https:\/\/voomisupply.com\/products\/kennametal-4176015-threading-insert-na3l4-kcu10-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}