{"product_id":"sumitomo-tnmg160404n-se-ac820p-carbide-insert","title":"Sumitomo TNMG160404N-SE AC820P Carbide Insert (TNMG 331-SE)","description":"\u003cstyle\u003e\n  \/* Industrial Theme Styles \u0026 Reset *\/\n  .cnc-pdp-container {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #2d3748;\n    line-height: 1.6;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 10px;\n    background-color: #ffffff;\n    user-select: text;\n    -webkit-user-select: text;\n  }\n  \n  .cnc-pdp-container * {\n    box-sizing: border-box;\n  }\n\n  \/* Typography \u0026 Colors *\/\n  .cnc-h1 {\n    background-color: #47479F;\n    color: #ffffff !important;\n    padding: 20px;\n    font-size: 1.8rem;\n    font-weight: 700;\n    border-radius: 6px;\n    margin-bottom: 25px;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n\n  .cnc-h2 {\n    color: #47479F;\n    font-size: 1.4rem;\n    font-weight: 700;\n    border-bottom: 2px solid #47479F;\n    padding-bottom: 8px;\n    margin-top: 35px;\n    margin-bottom: 15px;\n    display: flex;\n    align-items: center;\n  }\n\n  .cnc-h3 {\n    font-size: 1.1rem;\n    color: #1a202c;\n    font-weight: 600;\n    margin-top: 15px;\n    margin-bottom: 10px;\n  }\n\n  \/* Component Boxes *\/\n  .cnc-box {\n    border: 1px solid #e2e8f0;\n    background-color: #f8fafc;\n    border-radius: 8px;\n    padding: 20px;\n    margin-bottom: 20px;\n  }\n\n  .cnc-dark-box {\n    background-color: #1a202c;\n    color: #ffffff !important;\n    border-radius: 8px;\n    padding: 20px;\n    margin-bottom: 20px;\n  }\n\n  .cnc-dark-box p, .cnc-dark-box span, .cnc-dark-box td, .cnc-dark-box th, .cnc-dark-box h3 {\n    color: #ffffff !important;\n  }\n\n  \/* ISO Code Breakdown Grid *\/\n  .iso-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));\n    gap: 10px;\n    margin: 15px 0;\n  }\n\n  .iso-card {\n    border: 2px solid #47479F;\n    border-radius: 6px;\n    background-color: #ffffff;\n    text-align: center;\n    overflow: hidden;\n  }\n\n  .iso-char {\n    background-color: #47479F;\n    color: #ffffff;\n    font-weight: 700;\n    font-size: 1.2rem;\n    padding: 6px 0;\n  }\n\n  .iso-desc {\n    padding: 8px 4px;\n    font-size: 0.75rem;\n    color: #4a5568;\n    font-weight: 600;\n  }\n\n  \/* Toolholder Link Box *\/\n  .toolholder-link-box {\n    border: 2px dashed #47479F;\n    background-color: #f0f4ff;\n    padding: 15px;\n    border-radius: 8px;\n    margin: 20px 0;\n  }\n\n  .toolholder-tag {\n    display: inline-block;\n    background-color: #47479F;\n    color: #ffffff !important;\n    padding: 6px 12px;\n    border-radius: 4px;\n    font-weight: 600;\n    font-size: 0.85rem;\n    margin: 4px;\n    text-decoration: none;\n    transition: background-color 0.2s ease;\n  }\n\n  .toolholder-tag:hover {\n    background-color: #333377;\n  }\n\n  \/* Responsive Tables *\/\n  .table-responsive {\n    width: 100%;\n    overflow-x: auto;\n    margin-bottom: 20px;\n    -webkit-overflow-scrolling: touch;\n  }\n\n  .cnc-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.9rem;\n    text-align: left;\n  }\n\n  .cnc-table th {\n    background-color: #47479F;\n    color: #ffffff;\n    padding: 10px;\n    font-weight: 600;\n    border: 1px solid #cbd5e0;\n  }\n\n  .cnc-table td {\n    padding: 10px;\n    border: 1px solid #e2e8f0;\n  }\n\n  .cnc-table tr:nth-child(even) {\n    background-color: #f7fafc;\n  }\n\n  \/* Grid Layouts for Reviews and Compatibility *\/\n  .reviews-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n    gap: 15px;\n    margin-top: 15px;\n  }\n\n  .review-card {\n    border: 1px solid #e2e8f0;\n    background-color: #ffffff;\n    border-radius: 8px;\n    padding: 15px;\n    box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n  }\n\n  .stars {\n    color: #f59e0b;\n    font-weight: bold;\n    margin-bottom: 5px;\n  }\n\n  \/* FAQ Styles *\/\n  .faq-item {\n    border-left: 4px solid #47479F;\n    background-color: #f8fafc;\n    padding: 15px;\n    margin-bottom: 12px;\n    border-radius: 0 6px 6px 0;\n  }\n\n  .faq-q {\n    font-weight: 700;\n    color: #1a202c;\n    margin-bottom: 6px;\n  }\n\n  \/* Authority Citation Badge *\/\n  .authority-badge {\n    font-size: 0.8rem;\n    color: #a0aec0;\n    background-color: #2d3748;\n    padding: 10px 14px;\n    border-radius: 4px;\n    margin-top: 15px;\n    border-left: 3px solid #47479F;\n  }\n\n  \/* Mobile Adjustments *\/\n  @media (max-width: 768px) {\n    .cnc-h1 { font-size: 1.3rem; padding: 15px; }\n    .cnc-h2 { font-size: 1.15rem; }\n    .iso-grid { grid-template-columns: repeat(3, 1fr); }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cnc-pdp-container\"\u003e\n\u003c!-- H1 Title --\u003e\n\u003ch1 class=\"cnc-h1\"\u003eSumitomo TNMG160404N-SE AC820P Carbide Insert | ISO TNMG 160404-SE (ANSI TNMG 331-SE)\u003c\/h1\u003e\n\u003c!-- 1. Product Overview --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhich turning insert is best for high-speed general steel turning, long tool life, and smooth chip control across alloy steels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSumitomo TNMG160404N-SE AC820P\u003c\/strong\u003e (ANSI Designation: \u003cstrong\u003eTNMG 331-SE\u003c\/strong\u003e) is a double-sided 60° triangular indexable carbide turning insert engineered as a first-choice workhorse grade for high-efficiency turning of ISO P (carbon steel, alloy steel, tool steel, and forged steel). Powered by Sumitomo’s proprietary \u003cstrong\u003eAC820P CVD Coating Grade\u003c\/strong\u003e featuring Absotech® Platinum technology, it combines an ultra-thick, crystal-oriented Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e outer layer with a high-rigidity substrate, providing industry-leading crater wear and flank wear resistance under high-speed turning conditions.\u003c\/p\u003e\n\u003cp\u003eEquipped with the versatile \u003cstrong\u003eSE Medium-Cutting Chipbreaker\u003c\/strong\u003e, this insert features a balanced land width and optimized pocket geometry. It excels in general turning operations with medium depth of cut (a\u003csub\u003ep\u003c\/sub\u003e: 0.5mm to 3.0mm) and reliable feed rates (f\u003csub\u003en\u003c\/sub\u003e: 0.10mm to 0.35mm), preventing cratering, chipping, and chip wrapping on workpiece steels like 4140, 1045, and 8620.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 2. Product Key Features --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e2. Product Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 Double-Sided Cutting Edges:\u003c\/strong\u003e Negative 60° triangular geometry provides 6 indexable cutting corners for max economy per insert.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCVD Absotech® Platinum AC820P Grade:\u003c\/strong\u003e Ultra-thick alumina (Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e) crystal layer delivers exceptional heat barrier properties and wear resistance at high Vc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSE Medium Cutting Chipbreaker:\u003c\/strong\u003e Reinforced cutting edge design provides consistent chip breaking during general roughing and semi-finishing passes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrater Wear \u0026amp; Flaking Resistance:\u003c\/strong\u003e Smooth coating surface prevents material adhesion, thermal cracking, and plastic deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual ISO \/ ANSI Standard Compliance:\u003c\/strong\u003e Fully interchangeable according to ISO 1832 and ANSI B212.4 dimensional standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- ISO\/ANSI Letter-by-Letter Designation Breakdown --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003eISO \/ ANSI Code Nomenclature Breakdown\u003c\/h2\u003e\n\u003cp\u003eDetailed geometric interpretation of the \u003cstrong\u003eTNMG160404N-SE\u003c\/strong\u003e specification standard:\u003c\/p\u003e\n\u003cdiv class=\"iso-grid\"\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eT\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eTriangular Shape (60° Corner Angle)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eN\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e0° Normal Clearance Angle (Negative)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eM\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eTolerance Class (Medium Precision)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eG\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eDouble-Sided with Pin Hole \u0026amp; Chipbreaker\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003e16\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e16.5mm Edge Length (3\/8\" i.C.)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003e04\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e4.76mm Thickness (3\/16\")\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003e04\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e0.4mm Corner Radius (1\/64\")\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eN-SE\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eSE Breaker (General \/ Medium Cutting)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 3. Technical Parameters \u0026 Metric vs Imperial Comparison --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e3. Technical Parameters \u0026amp; Metric vs Imperial Comparison\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth\u003eMetric Value (ISO Designation)\u003c\/th\u003e\n\u003cth\u003eImperial Value (ANSI Designation)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Model Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTNMG160404N-SE AC820P\u003c\/td\u003e\n\u003ctd\u003eTNMG 331-SE AC820P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInscribed Circle (i.C.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.0 mm\u003c\/td\u003e\n\u003ctd\u003e0.375\" (3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness (S)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.76 mm\u003c\/td\u003e\n\u003ctd\u003e0.1875\" (3\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorner Radius (r\u003csub\u003ee\u003c\/sub\u003e)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 mm\u003c\/td\u003e\n\u003ctd\u003e0.0156\" (1\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFixing Hole Diameter (d\u003csub\u003e1\u003c\/sub\u003e)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.81 mm\u003c\/td\u003e\n\u003ctd\u003e0.150\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Substrate Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSumitomo AC820P (CVD Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e\/TiCN)\u003c\/td\u003e\n\u003ctd\u003eSumitomo AC820P (CVD Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e\/TiCN)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"cnc-h3\"\u003eRecommended Speeds \u0026amp; Feeds (Cutting Parameters)\u003c\/h3\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material Group\u003c\/th\u003e\n\u003cth\u003eCutting Speed (V\u003csub\u003ec\u003c\/sub\u003e)\u003c\/th\u003e\n\u003cth\u003eFeed Rate (f\u003csub\u003en\u003c\/sub\u003e)\u003c\/th\u003e\n\u003cth\u003eDepth of Cut (a\u003csub\u003ep\u003c\/sub\u003e)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Carbon Steels (1045 \/ C45)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 - 380 m\/min\u003cbr\u003e\u003ci\u003e(590 - 1245 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 0.35 mm\/rev\u003cbr\u003e\u003ci\u003e(0.004 - 0.014 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.5 - 3.0 mm\u003cbr\u003e\u003ci\u003e(0.020 - 0.118 in)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Alloy Steels (4140 \/ 4340 \/ 42CrMo4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 - 320 m\/min\u003cbr\u003e\u003ci\u003e(490 - 1050 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 0.30 mm\/rev\u003cbr\u003e\u003ci\u003e(0.004 - 0.012 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.5 - 2.8 mm\u003cbr\u003e\u003ci\u003e(0.020 - 0.110 in)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Die \/ Tool Steels (P20 \/ D2 Annealed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 250 m\/min\u003cbr\u003e\u003ci\u003e(390 - 820 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.25 mm\/rev\u003cbr\u003e\u003ci\u003e(0.003 - 0.010 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.5 - 2.2 mm\u003cbr\u003e\u003ci\u003e(0.020 - 0.086 in)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Corresponding Toolholder Links Box --\u003e\n\u003cdiv class=\"toolholder-link-box\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #47479f; margin-bottom: 8px;\"\u003eCompatible Toolholders (Direct Links):\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 0.9rem;\"\u003eFits all standard ISO turning toolholders with a 60° negative pocket design:\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tn-insert-multi-lock-system\" target=\"_blank\" rel=\"noopener\"\u003eMTJNR \/ MTJNL 2020K16 Holder MTJNR \/ MTJNL 2525M16 Holder WTJNR \/ WTJNL 2020K16 Holder DTJNR \/ DTJNL 2525M16 Holder\u003c\/a\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tn-insert-boring-bar\" target=\"_blank\" rel=\"noopener\"\u003eBoring Bar: S25S-MTJNR16\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 4. Applications --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e4. Applications \u0026amp; Industrial Operations\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Shafts \u0026amp; Gears:\u003c\/strong\u003e High-volume roughing and semi-finishing of carbon steel transmission shafts, forged axles, and gear blanks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Engineering Components:\u003c\/strong\u003e Production turning of 4140 pre-hardened steel pins, hydraulic cylinders, and threaded sleeves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Speed Production CNC Turning:\u003c\/strong\u003e Engineered to maximize metal removal rates (MRR) without suffering premature crater wear under dry or wet cutting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e5. Compatibility \u0026amp; Machine Integration\u003c\/h2\u003e\n\u003cp\u003eSeamlessly compatible with all CNC lathes, VTLs, multi-tasking turning centers, and engine lathes. Direct drop-in replacement for standard ISO TNMG160404 \/ ANSI TNMG 331 turning pockets from Sandvik Coromant, Kennametal, Iscar, Kyocera, Tungaloy, Walter, and Seco.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- 6. Grade Comparison \u0026 Equivalent Models Matrix --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e6. Grade Comparison \u0026amp; Equivalent Models Matrix\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eEquivalent Grade\u003c\/th\u003e\n\u003cth\u003eEquivalent Chipbreaker\u003c\/th\u003e\n\u003cth\u003eISO Material Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSumitomo Electric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAC820P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P10-P30\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSandvik Coromant\u003c\/td\u003e\n\u003ctd\u003eGC4425 \/ GC4325\u003c\/td\u003e\n\u003ctd\u003ePM \/ PR\u003c\/td\u003e\n\u003ctd\u003eISO P15-P30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKennametal\u003c\/td\u003e\n\u003ctd\u003eKCP10B \/ KCP25B\u003c\/td\u003e\n\u003ctd\u003eMP \/ MS\u003c\/td\u003e\n\u003ctd\u003eISO P10-P25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIscar\u003c\/td\u003e\n\u003ctd\u003eIC8250 \/ IC8150\u003c\/td\u003e\n\u003ctd\u003eGN \/ M3P\u003c\/td\u003e\n\u003ctd\u003eISO P15-P30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKyocera\u003c\/td\u003e\n\u003ctd\u003eCA5525 \/ CA515\u003c\/td\u003e\n\u003ctd\u003eMQ \/ MS\u003c\/td\u003e\n\u003ctd\u003eISO P15-P30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 7. Why Choose Us \u0026 Customer Reviews --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e7. Why Choose Us?\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Guaranteed Original Sumitomo:\u003c\/strong\u003e Direct factory channels ensure genuine Absotech® Platinum coating and original factory batching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Machining Support:\u003c\/strong\u003e Professional recommendations on speeds, feeds, and tool life optimization from CNC turning specialists.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Dispatch \u0026amp; Secure Packaging:\u003c\/strong\u003e Sealed 10-piece box packaging ready for quick international express shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Real Customer Reviews --\u003e\n\u003ch3 class=\"cnc-h3\"\u003eVerified Customer Reviews\u003c\/h3\u003e\n\u003cdiv class=\"reviews-grid\"\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eWorkhorse grade for 4140 steel turning\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"AC820P is easily our favorite grade for turning pre-hardened 4140 alloy steel. Edge life is double compared to our previous supplier, and crater wear is nonexistent even at 280 m\/min.\"\u003c\/p\u003e\n\u003csmall\u003e— Jason R., Operations Manager (United States 🇺🇸)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eHervorragende Standzeit bei C45 Stahl\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Sehr verlässliche Wendeschneidplatte für Massenfertigung. Gute Spanbrechung mit dem SE Brecher und hervorragende Verschleißfestigkeit.\"\u003c\/p\u003e\n\u003csmall\u003e— Michael W., Fertigungsleiter (Germany 🇩🇪)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eOttima resistenza all'usura su acciaio legato\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Qualità eccezionale. Lavoriamo albero motore in 39NiCrMo3 ad alta velocità senza alcun problema di scheggiatura.\"\u003c\/p\u003e\n\u003csmall\u003e— Andrea C., Officina Meccanica (Italy 🇮🇹)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e鋼材加工で安定した切削と長い工具寿命\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"AC820Pのコーティングは非常に優れており、高速切削でもフランク摩耗が抑えられます。SEブレーカの断熱性も素晴らしいです。\"\u003c\/p\u003e\n\u003csmall\u003e— Takuya K., Production Engineer (Japan 🇯🇵)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eConsistent quality across batch orders\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Solid general-purpose turning insert for 1045 steel shafts.\"\u003c\/p\u003e\n\u003csmall\u003e— Brian T., Senior Machinist (United Kingdom 🇬🇧)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 8. AI-Style FAQ --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e8. Frequently Asked Questions (AI \u0026amp; Voice Search Optimized)\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What makes Sumitomo AC820P the best choice for steel turning?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: AC820P utilizes Absotech® Platinum CVD technology, featuring an ultra-thick, highly oriented alumina layer that withstands extreme thermal heat and abrasive wear during high-speed turning of ISO P steel.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What is the ANSI equivalent designation for TNMG160404N-SE?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: The ANSI equivalent code is TNMG 331-SE, specifying a 3\/8\" inscribed circle (i.C.), 3\/16\" thickness, and 1\/64\" (0.4mm) corner radius.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can AC820P inserts be used for stainless steel or cast iron?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: AC820P is optimized for ISO P steels. For stainless steel (ISO M), use Sumitomo AC520U \/ AC530U grades. For cast iron (ISO K), use Sumitomo AC700G.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Troubleshooting Section --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003eTroubleshooting \u0026amp; Machining Optimization Guide\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom \/ Failure Mode\u003c\/th\u003e\n\u003cth\u003eRoot Cause Analysis\u003c\/th\u003e\n\u003cth\u003eRecommended Action\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRapid Crater Wear on Rake Face\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExtreme friction heat generated at high cutting speeds or dry machining conditions.\u003c\/td\u003e\n\u003ctd\u003eIncrease flood coolant flow or verify cutting speed V\u003csub\u003ec\u003c\/sub\u003e stays within the recommended AC820P range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipping \/ Edge Micro-Fracture\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy interruptions or unstable clamping setup.\u003c\/td\u003e\n\u003ctd\u003eReduce feed rate f\u003csub\u003en\u003c\/sub\u003e on interrupted entry or switch to a tougher grade like Sumitomo AC8030P.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLong Stringy Ribbon Chips\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDepth of cut a\u003csub\u003ep\u003c\/sub\u003e or feed rate f\u003csub\u003en\u003c\/sub\u003e below the active zone of the SE chipbreaker.\u003c\/td\u003e\n\u003ctd\u003eIncrease feed rate f\u003csub\u003en\u003c\/sub\u003e above 0.12 mm\/rev to properly engage the SE chip-breaking ridge.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Footer Tip \u0026 Authority Verification --\u003e\u003cfooter class=\"cnc-dark-box\" style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"color: #ffffff !important; margin-top: 0;\"\u003eWorkpiece Material Matrix \u0026amp; Usage Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eISO P (Carbon Steel, Alloy Steel, Cast Steel):\u003c\/strong\u003e Primary application area for AC820P grade. Maintain high cutting speeds (Vc) to take full advantage of the thermal resistance provided by Absotech® Platinum CVD coating technology.\u003c\/p\u003e\n\u003cdiv class=\"authority-badge\"\u003e\n\u003cstrong\u003eVerified Technical Reference:\u003c\/strong\u003e Manufactured in strict accordance with ISO 1832:2017 (Indexable inserts for cutting tools — Designation) and ISO 513:2012 (Classification and application of hard cutting materials). Technical parameters verified against Sumitomo Electric Hardmetal Global Tooling Standards.\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Sumitomo Electric","offers":[{"title":"Default Title","offer_id":43396423647404,"sku":"TNMG160404N-SE AC820P","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Sumitomo_TNMG160404N-SE_AC820P_carbide_turning_insert_top_view.jpg?v=1786687399","url":"https:\/\/cnchome-beyond.com\/products\/sumitomo-tnmg160404n-se-ac820p-carbide-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}