{"product_id":"sumitomo-161nwd3-pcbn-turning-insert-uncoated-triangle","title":"Sumitomo 161NWD3 Pcbn Turning Insert Uncoated Triangle","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SUMITOMO 161NWD3 is an uncoated Polycrystalline Cubic Boron Nitride (PCBN) turning insert designed for high-performance machining of difficult-to-cut materials. Manufactured to ANSI code NUTPG221 and ISO code NU-TPGN110304, this insert features a triangular shape with a 60-degree included angle, a 0.25-inch inscribed circle, and a 1\/64-inch (0.0156-inch) corner radius. The positive rake geometry and 11-degree relief angle reduce cutting forces and heat buildup during interrupted or continuous turning operations. It is installed by machinists and CNC operators in production turning centers and manual lathes.\u003c\/p\u003e\u003cp\u003eThis insert is suited for turning operations on cast iron, hard materials, and superalloys in both production and job-shop environments. The BN1000 PCBN grade is selected specifically for its thermal stability and edge retention when cutting hardened ferrous parts or heat-resistant superalloy components. A single cutting edge and clamp-style holding method make setup and indexing straightforward. Typical applications include finishing and semi-finishing passes where dimensional accuracy and surface finish are critical.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePCBN (Polycrystalline Cubic Boron Nitride) insert material for extreme hardness and wear resistance\u003c\/li\u003e\n\u003cli\u003eUncoated BN1000 grade optimized for cast iron, hard materials, and superalloys\u003c\/li\u003e\n\u003cli\u003eTriangular insert shape with 60-degree included angle and positive rake for reduced cutting forces\u003c\/li\u003e\n\u003cli\u003e1\/64-inch corner radius for controlled surface finish on finishing passes\u003c\/li\u003e\n\u003cli\u003eClamp-style holding method compatible with standard TPG-series toolholders\u003c\/li\u003e\n\u003cli\u003eCompliant with ANSI and ISO 13399 standards for consistent tooling interchange\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement or direct-use insert for TPG-series clamp-style toolholders accepting a triangular insert with a 0.25-inch inscribed circle and ANSI code NUTPG221.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert is installed by qualified machinists or CNC tooling technicians. Always power down and lock out the machine spindle before indexing or replacing inserts. Use the appropriate torque wrench and clamping hardware specified by the toolholder manufacturer — do not overtighten the clamp screw, as PCBN inserts are brittle and susceptible to fracture from improper seating. Inspect the insert pocket and shim for chips or debris before seating the new insert.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Polycrystalline Cubic Boron Nitride (PCBN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: BN1000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Triangle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape Code\u003c\/strong\u003e: T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Code\u003c\/strong\u003e: NUTPG221\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: NU-TPGN110304\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.25 inches (6.35 mm)\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\u003eIncluded Angle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.125 inches (1\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.0906 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: P\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron, Hard Material, Superalloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: TPG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO 13399\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.2 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: SUMITOMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 161NWD3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SUMITOMO","offers":[{"title":"Default Title","offer_id":51728267247922,"sku":"161NWD3","price":59.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4b28d2b0c9f9c4faf8df1bc64d85652c.jpg?v=1788690159","url":"https:\/\/voomisupply.com\/products\/sumitomo-161nwd3-pcbn-turning-insert-uncoated-triangle","provider":"Voomi Supply","version":"1.0","type":"link"}