{"product_id":"sumitomo-10jt223-cermet-turning-insert-tnpr321t","title":"Sumitomo 10JT223 Cermet Turning Insert TNPR321T","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SUMITOMO 10JT223 is a cermet turning insert designed for precision metal cutting in CNC and manual lathe applications. Manufactured in the TNPR style with a triangular insert shape, it features a 3\/8-inch inscribed circle and a 1\/64-inch corner radius for controlled finishing and light roughing passes. The T1500A cermet grade is uncoated and engineered primarily for steel workpieces where dimensional accuracy and surface finish are critical. This insert is held in place by clamp and pin methods and operates with a negative rake angle. It is installed by machinists and CNC operators working in job shop and production turning environments.\u003c\/p\u003e\u003cp\u003eThis insert suits turning operations on steel components in both light production and close-tolerance finish applications. The right-hand configuration and negative rake geometry make it appropriate for external turning on conventional and CNC lathes equipped with TNPR-style toolholders. Primary workpiece material designation is P-grade steel, consistent with ISO 13399 classification standards. It is packaged individually and sold in single-unit quantities.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCermet insert material for clean, accurate steel turning\u003c\/li\u003e\n\u003cli\u003eUncoated T1500A grade optimized for P-grade steel workpieces\u003c\/li\u003e\n\u003cli\u003eTriangular insert shape with 60-degree included angle for versatile toolpath entry\u003c\/li\u003e\n\u003cli\u003e1\/64-inch corner radius for fine surface finish results\u003c\/li\u003e\n\u003cli\u003eRight-hand cut orientation with negative rake geometry\u003c\/li\u003e\n\u003cli\u003eClamp and pin holding method for secure, repeatable seating\u003c\/li\u003e\n\u003cli\u003eCompliant with ANSI and ISO 13399 standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement turning insert for TNPR-style toolholders rated for triangular inserts with a 3\/8-inch inscribed circle. ANSI code TNPR321T and ISO code TNGG160304R-ST identify compatible toolholder systems.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eThis insert is installed by qualified machinists or CNC technicians. Always power down and lock out the machine before changing inserts. Use the appropriate torque wrench and clamp hardware specified by the toolholder manufacturer to seat the insert correctly. Inspect the insert pocket and clamp for wear or damage 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: TNPR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Triangle (60 degrees included angle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Cermet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: T1500A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Uncoated\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\/64 inch (0.0156 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 1\/8 inch (0.1250 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.6496 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\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolding Method\u003c\/strong\u003e: Clamp and Pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: RT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (P-grade)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Code\u003c\/strong\u003e: TNPR321T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: TNGG160304R-ST\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO 13399\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Height\u003c\/strong\u003e: 0.38 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Width\u003c\/strong\u003e: 0.38 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Length\u003c\/strong\u003e: 0.13 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.015 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: 10JT223\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SUMITOMO","offers":[{"title":"Default Title","offer_id":51737534988594,"sku":"10JT223","price":31.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/1387a1cbc85e69f037e155e448d18e22_b036e4b4-7557-4d0e-960a-f50ae798f367.jpg?v=1788789947","url":"https:\/\/voomisupply.com\/products\/sumitomo-10jt223-cermet-turning-insert-tnpr321t","provider":"Voomi Supply","version":"1.0","type":"link"}