{"product_id":"kennametal-4176133-nt4r-kcu10-threading-insert-carbide","title":"Kennametal 4176133 NT4R KCU10 Threading Insert Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe KENNAMETAL 4176133 is a carbide threading insert in the NT4R style, designed for both internal and external thread cutting operations. Manufactured under the Top Notch series, this insert carries the KCU10 grade designation and features an AlTiN finish applied via PVD coating process. It cuts partial profile 60-degree threads and covers an external pitch range of 1.25 to 6.25 mm (4 to 20 TPI) and an internal pitch range of 2.00 to 6.25 mm (4 to 12 TPI). The right-hand insert is suited for CNC lathe and manual turning applications where consistent thread quality is required across a wide pitch range.\u003c\/p\u003e\u003cp\u003eThis insert is appropriate for threading operations on ferrous and non-ferrous materials in production machining environments. The AlTiN PVD coating provides thermal resistance and wear resistance for demanding cutting conditions. It is sized as Insert Size 4, making it compatible with Top Notch series toolholders designed for that insert size. Machinists and CNC operators working in job shops, aerospace, and general manufacturing will find this insert suited for high-volume threading passes on both internal bores and external diameters.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCarbide substrate with AlTiN PVD finish for extended tool life in hard and abrasive materials\u003c\/li\u003e\n\u003cli\u003eCovers external pitch range of 1.25 to 6.25 mm (4 to 20 TPI)\u003c\/li\u003e\n\u003cli\u003eCovers internal pitch range of 2.00 to 6.25 mm (4 to 12 TPI)\u003c\/li\u003e\n\u003cli\u003ePartial profile 60-degree included angle for versatile thread form cutting\u003c\/li\u003e\n\u003cli\u003eRight-hand cutting orientation\u003c\/li\u003e\n\u003cli\u003eTop Notch series insert for use with compatible NT-style toolholders\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with Top Notch series NT-style threading toolholders accepting Insert Size 4. Specific toolholder compatibility should be confirmed against the Top Notch system toolholder specifications prior to installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and the toolholder is secured before seating or replacing the insert. Use the appropriate torque wrench and clamp screw specified by the toolholder manufacturer — do not overtighten, as carbide inserts are brittle and may fracture under excessive clamping force. Verify insert orientation and thread direction against the workpiece requirements before beginning the threading cycle.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: NT4R\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: Partial Profile 60 Degree\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: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Pitch\u003c\/strong\u003e: 1.25 to 6.25 mm (4 to 20 TPI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Pitch\u003c\/strong\u003e: 2.00 to 6.25 mm (4 to 12 TPI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip to Top of Insert\u003c\/strong\u003e: 0.1280 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0067 inches (0.17 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.255 inches (6.48 mm)\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: 0.033 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: 4176133\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51735252238642,"sku":"4176133","price":290.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/00b1cd7f0c26ce36b75fbc12263a25b8_8c4cbac2-a474-4ca9-85e5-393e0309e511.jpg?v=1788770981","url":"https:\/\/voomisupply.com\/products\/kennametal-4176133-nt4r-kcu10-threading-insert-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}