{"product_id":"iscar-5502310-tpu-321-ic20-carbide-milling-insert","title":"Iscar 5502310 Tpu 321 IC20 Carbide Milling Insert","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ISCAR 5502310 is a solid carbide triangular milling insert in the ISCARMILL series, designed for high-performance milling operations across a range of demanding workpiece materials. Carrying the IC20 manufacturer grade and an uncoated bright finish, this insert features a positive rake geometry with an 11-degree rake angle, a honed cutting edge style, and three usable cutting edges. The corner radius measures 0.0157 inches (0.41 mm), and the inscribed circle diameter is 0.3748 inches. With a flat top chip breaker and neutral hand orientation, it suits a wide variety of milling setups where insert versatility and edge consistency are priorities. Licensed ISCARMILL toolholders using the clamp holding method are required for proper seating.\u003c\/p\u003e\u003cp\u003eThis insert is rated for use on stainless steel, cast iron, non-ferrous metals, superalloys, titanium, and hard materials, covering ISO material codes M, K, N, S, and H. It is well suited for both roughing and finishing passes in milling applications where consistent chip control and edge integrity are essential. The ANSI code is TPU 321 IC20 and the ISO code is TPUN 160304, conforming to ANSI and ISO 13399 standards. Typical install environments include job shop CNC milling, production machining, and maintenance machining on difficult alloys.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSolid carbide construction with IC20 grade and uncoated bright finish for consistent edge performance\u003c\/li\u003e\n\u003cli\u003eTriangular insert shape with 60-degree included angle and three cutting edges for extended tool life per insert\u003c\/li\u003e\n\u003cli\u003ePositive rake angle of 11 degrees with honed cutting edge style for clean entry and reduced cutting forces\u003c\/li\u003e\n\u003cli\u003eCorner radius of 0.0157 inches (0.41 mm) provides controlled surface finish on finish passes\u003c\/li\u003e\n\u003cli\u003eMaximum depth of cut and effective cutting edge length of 0.6142 inches\u003c\/li\u003e\n\u003cli\u003eFlat top chip breaker geometry supports chip control across stainless steel, superalloys, and hard materials\u003c\/li\u003e\n\u003cli\u003eNeutral hand orientation allows use in a broad range of ISCARMILL toolholder configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in ISCARMILL series toolholders that accept TPU-style inserts held by clamping. Conforms to ANSI code TPU 321 IC20 and ISO code TPUN 160304 per ISO 13399 standards, making it compatible with compliant tooling systems specifying that insert designation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation should be performed by a qualified machinist or tooling technician. Shut down the machine and verify a zero-energy state before removing or indexing inserts. Use the appropriate torx or hex key specified by the toolholder manufacturer to achieve proper clamp seating without over-torquing. Inspect the insert pocket and clamping screw for wear or debris before seating a new insert.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: TPU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Triangle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: IC20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating \/ Finish\u003c\/strong\u003e: Bright \/ Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 321\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 3\/8 inch (0.3748 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 1\/8 inch (0.1250 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 1\/64 inch (0.0157 inches \/ 0.41 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth\u003c\/strong\u003e: 0.6299 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 0.6299 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.6142 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Effective Length\u003c\/strong\u003e: 0.6142 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 11 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 60 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Honed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: Flat Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Double Sided\u003c\/strong\u003e: Single\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Stainless Steel, Cast Iron, Non-Ferrous Metal, Superalloys, Titanium, Hard Material\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: ISCARMILL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Code\u003c\/strong\u003e: TPU 321 IC20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: TPUN 160304\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO 13399\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 23291601\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: 5502310\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ISCAR","offers":[{"title":"Default Title","offer_id":51753356460338,"sku":"5502310","price":138.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/6ec984fabd72fe19ac6c64d3224fb866.jpg?v=1788935763","url":"https:\/\/voomisupply.com\/products\/iscar-5502310-tpu-321-ic20-carbide-milling-insert","provider":"Voomi Supply","version":"1.0","type":"link"}