{"product_id":"iscar-5550521-turning-insert-wnmg-trigon-ic8250","title":"Iscar 5550521 Turning Insert Wnmg Trigon IC8250","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ISCAR 5550521 is a solid carbide turning insert in the WNMG style, designed for external and internal turning operations on CNC lathes and turning centers. It carries ISCAR grade IC8250 with a multilayer PVD-applied coating of TiCN, Al2O3, and TiN, delivering wear resistance and thermal stability across a range of cutting conditions. The insert features an 80-degree trigon geometry, a 3\/8-inch inscribed circle, a 1\/32-inch corner radius, and a positive rake angle with PP chip breaker. Insert length is 6.52 mm (0.2567 inches) and thickness is 5\/32 inch (0.1560 inches). It is part of the ISCAR Isoturn series and is installed by machinists and CNC lathe operators in production and job-shop environments.\u003c\/p\u003e\u003cp\u003eThis insert is suited for turning steel and stainless steel workpieces, with primary workpiece material codes of P and M per ISO classification. The PP chip breaker geometry is optimized for finishing and semi-finishing passes at moderate feed rates and depths of cut up to 3.00 mm (0.1180 inches). The positive rake design reduces cutting forces, making it appropriate for long overhangs, slender workpieces, or lighter-duty machine setups where minimizing deflection is a priority. Typical applications include external diameter turning, shoulder turning, and light profiling on production runs.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIC8250 solid carbide grade with multilayer TiCN, Al2O3, TiN PVD coating for wear and thermal resistance\u003c\/li\u003e\n\u003cli\u003e80-degree trigon (W) insert shape with positive rake for reduced cutting forces\u003c\/li\u003e\n\u003cli\u003ePP chip breaker geometry optimized for finishing and semi-finishing cuts\u003c\/li\u003e\n\u003cli\u003eMaximum depth of cut 3.00 mm (0.1180 inches)\u003c\/li\u003e\n\u003cli\u003eCompatible with both clamp and pin insert holding methods\u003c\/li\u003e\n\u003cli\u003eConforms to ISO 13399 tooling data standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement and standard fitment insert for WNMG-style turning toolholders that accept a 3\/8-inch inscribed circle insert with a 0.1500-inch hole diameter, using clamp or pin holding methods per the Isoturn series specification.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert is installed and indexed by qualified machinists or CNC setup technicians. Power down and lock out the machine spindle before seating or indexing inserts. Use the correct torque driver for the clamping screw to ensure proper seating without cracking the insert. Inspect the toolholder pocket and seating surface for chips or debris before installation, as contamination will affect insert stability and edge life.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: WNMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Trigon (80 degrees)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: IC8250\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiCN, Al2O3, TiN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 3\/8 inch (0.3750 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1\/32 inch (0.0315 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 6.52 mm (0.2567 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 5\/32 inch (0.1560 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1500 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 3.00 mm (0.1180 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: PP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees (Clearance Code N)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp, Pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: P, M (Steel, Stainless Steel per ISO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Isoturn\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ISO 13399\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 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: ISCAR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5550521\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ISCAR","offers":[{"title":"Default Title","offer_id":51742004707634,"sku":"5550521","price":202.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/08e254d60faba1701755472c1e1778d9.jpg?v=1788834861","url":"https:\/\/voomisupply.com\/products\/iscar-5550521-turning-insert-wnmg-trigon-ic8250","provider":"Voomi Supply","version":"1.0","type":"link"}