{"product_id":"sumitomo-tnmg160404n-su-ac700g-carbide-insert","title":"Sumitomo TNMG160404N-SU AC700G Carbide Insert (TNMG 331-SU)","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 {\n    color: #ffffff !important;\n  }\n\n  \/* ISO Code Breakdown *\/\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;\n    padding: 4px 10px;\n    border-radius: 4px;\n    font-weight: 600;\n    font-size: 0.85rem;\n    margin: 4px;\n    text-decoration: none;\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-SU AC700G Carbide Insert | ISO TNMG 160404-SU (ANSI TNMG 331-SU)\u003c\/h1\u003e\n\u003c!-- 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 low cutting resistance, high-speed ductile iron machining, and precision thin-walled cast iron components?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSumitomo TNMG160404N-SU AC700G\u003c\/strong\u003e (ANSI Designation: \u003cstrong\u003eTNMG 331-SU\u003c\/strong\u003e) is a double-sided 60° triangular indexable carbide turning insert specially engineered for high-performance cast iron turning. Utilizing Sumitomo’s specialized \u003cstrong\u003eAC700G CVD Coating grade\u003c\/strong\u003e, it features an ultra-thick, highly crystalline Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e outer layer and a high-hardness TiCN base layer over a wear-resistant substrate. This specialized grade is designed to resist extreme abrasive flank wear and cratering caused by scale and sand inclusions in ISO K10–K30 grey cast iron, ductile iron, and nodular cast iron.\u003c\/p\u003e\n\u003cp\u003eCombined with the ultra-sharp \u003cstrong\u003eSU Low Resistance \/ Light Cutting Chipbreaker\u003c\/strong\u003e geometry, this insert features a high rake angle that minimizes cutting force and friction. It excels on low-rigidity setups, slender iron shafts, thin-walled sleeves, and shallow depths of cut (a\u003csub\u003ep\u003c\/sub\u003e: 0.3mm to 2.5mm) at feed rates (f\u003csub\u003en\u003c\/sub\u003e: 0.08mm to 0.25mm), ensuring clean cutting action and superior dimensional accuracy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Key Features --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e2. Key Features \u0026amp; Industrial Performance\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 Double-Sided Cutting Edges:\u003c\/strong\u003e Negative 60° geometry delivers max economic efficiency per edge for high-volume automotive cast iron turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC700G Cast Iron CVD Grade:\u003c\/strong\u003e Thick Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e coating technology provides superior resistance to abrasive wear, oxidation, and high cutting temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSU Low-Force Chipbreaker:\u003c\/strong\u003e Precision ground rake face reduces radial cutting forces, preventing chatter, vibration, and thin-wall distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual ISO \/ ANSI Standard Compliance:\u003c\/strong\u003e Fully compliant with \u003cstrong\u003eISO 1832\u003c\/strong\u003e and \u003cstrong\u003eANSI B212.4\u003c\/strong\u003e global dimensional standard specs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 0.4 mm (1\/64\") Corner Radius:\u003c\/strong\u003e Provides low cutting pressure, excellent corner accuracy, and clean micro-finishing (Ra \u0026lt; 1.6 μm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- ISO\/ANSI Nomenclature Breakdown --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003eISO \/ ANSI Code Breakdown Specification\u003c\/h2\u003e\n\u003cp\u003eDetailed geometric breakdown of the \u003cstrong\u003eTNMG160404N-SU\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 Cutting 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-SU\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eSU Chipbreaker (Low Resistance \/ Light Cutting)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Technical Specifications \u0026 Cutting Parameters Table --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e3. Technical Specifications \u0026amp; Recommended Cutting Parameters\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 Standard)\u003c\/th\u003e\n\u003cth\u003eImperial Value (ANSI Standard)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTNMG160404N-SU AC700G\u003c\/td\u003e\n\u003ctd\u003eTNMG 331-SU AC700G\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\u003eHole 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 AC700G (CVD Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e\/TiCN)\u003c\/td\u003e\n\u003ctd\u003eSumitomo AC700G (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 and Feeds (Dual Unit Reference Table)\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 K: Grey Cast Iron (FC250 \/ GG25)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200 - 450 m\/min\u003cbr\u003e\u003ci\u003e(655 - 1475 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\u003e0.3 - 2.5 mm\u003cbr\u003e\u003ci\u003e(0.012 - 0.098 in)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO K: Ductile Iron (FCD450 \/ GGG40)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e160 - 380 m\/min\u003cbr\u003e\u003ci\u003e(525 - 1245 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.22 mm\/rev\u003cbr\u003e\u003ci\u003e(0.003 - 0.009 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.3 - 2.0 mm\u003cbr\u003e\u003ci\u003e(0.012 - 0.079 in)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO K: Chilled \/ Alloyed Cast Iron\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 280 m\/min\u003cbr\u003e\u003ci\u003e(390 - 920 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 0.22 mm\/rev\u003cbr\u003e\u003ci\u003e(0.004 - 0.009 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.3 - 2.0 mm\u003cbr\u003e\u003ci\u003e(0.012 - 0.079 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!-- Compatible Toolholder Box --\u003e\n\u003cdiv class=\"toolholder-link-box\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #47479f; margin-bottom: 8px;\"\u003eCompatible CNC Turning Toolholders (Top Recommended Tool Systems):\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 0.9rem;\"\u003eThis insert fits all standard ISO\/ANSI double-clamp, lever-clamp, and top-clamp turning toolholders with a 60° triangular pocket:\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tn-insert-multi-lock-system\" target=\"_blank\" rel=\"noopener\"\u003eMTJNR \/ MTJNL 2020K16 MTJNR \/ MTJNL 2525M16 WTJNR \/ WTJNL 2020K16 DTJNR \/ DTJNL 2525M16 Boring Bar: S25S-MTJNR16\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Applications \u0026 Industry Compatibility --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e4. Applications \u0026amp; Target Workpiece Materials\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Brake Drums \u0026amp; Rotors:\u003c\/strong\u003e Outstanding flank wear resistance during high-speed dry or wet finishing operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThin-Walled Ductile Iron Sleeves:\u003c\/strong\u003e Sharp shearing cut prevents radial distortion on flexible cast iron parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Housings \u0026amp; Valves:\u003c\/strong\u003e Clean chip breaking across interrupted casting surfaces with zero burr formation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Machine \u0026 Equipment Compatibility --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e5. Compatibility \u0026amp; Equipment Integration\u003c\/h2\u003e\n\u003cp\u003eFully compatible with all standard CNC turning centers, VTLs, automatic lathes, and manual engine lathes utilizing ISO-standard toolholders. Direct drop-in replacement for toolholding systems from Sandvik Coromant, Kennametal, Iscar, Kyocera, Tungaloy, Walter, and Seco.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Grade Comparison \u0026 Equivalents --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e6. Grade Comparison \u0026amp; Equivalents 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 Classification Range\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\u003eAC700G\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eISO K10-K30\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSandvik Coromant\u003c\/td\u003e\n\u003ctd\u003eGC3225 \/ GC3215\u003c\/td\u003e\n\u003ctd\u003eKM \/ KF\u003c\/td\u003e\n\u003ctd\u003eISO K15-K30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKennametal\u003c\/td\u003e\n\u003ctd\u003eKCK15 \/ KCK20\u003c\/td\u003e\n\u003ctd\u003eLF \/ FN\u003c\/td\u003e\n\u003ctd\u003eISO K10-K25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIscar\u003c\/td\u003e\n\u003ctd\u003eIC5010 \/ IC5025\u003c\/td\u003e\n\u003ctd\u003eSF \/ F3P\u003c\/td\u003e\n\u003ctd\u003eISO K10-K30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKyocera\u003c\/td\u003e\n\u003ctd\u003eCA315 \/ CA320\u003c\/td\u003e\n\u003ctd\u003eVF \/ PP\u003c\/td\u003e\n\u003ctd\u003eISO K15-K30\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!-- Why Choose Us --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e7. Why Source Sumitomo Inserts From Us?\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Guaranteed Factory Original:\u003c\/strong\u003e Direct authorization channels eliminate grey-market and counterfeit tooling risks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrict Batch Traceability:\u003c\/strong\u003e Fully compliant with ISO 9001 factory inspection standards with verified material certs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpress Global Dispatch:\u003c\/strong\u003e Optimized order processing and safe, vacuum-sealed industrial packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Verified Global Customer Reviews --\u003e\n\u003ch3 class=\"cnc-h3\"\u003eGlobal Verified Machinist 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\u003eIncredible flank life on ductile iron housings\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"AC700G grade holds up against abrasive iron sand better than any grade we've tested. The SU breaker eliminates chatter on thin flanges.\"\u003c\/p\u003e\n\u003csmall\u003e— Marcus T., Machine Shop Foreman (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 Verschleißfestigkeit bei Gusseisen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Perfekt für GGG40 Gehäuse. Keine Freiflächenverschleiß-Probleme mehr bei hohen Schnittgeschwindigkeiten.\"\u003c\/p\u003e\n\u003csmall\u003e— Jörg H., CNC 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'abrasione su ghisa\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Taglio fluido e assenza di vibrazioni su pezzi a parete sottile in ghisa sferoidale. Durata dell'inserto eccezionale.\"\u003c\/p\u003e\n\u003csmall\u003e— Matteo R., Torneria CNC (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鋳鉄の薄肉加工で摩耗がなく高精度\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"ダクタイル鋳鉄の旋削で使用。AC700Gの耐摩耗性が高く、切削抵抗が低いため薄肉ワークでも寸法変化が起きません。\"\u003c\/p\u003e\n\u003csmall\u003e— Hiroshi M., 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\u003eGreat performance on grey iron components\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Reduced tool wear by 30% on brake rotor production line.\"\u003c\/p\u003e\n\u003csmall\u003e— Alan P., CNC Machinist (United Kingdom 🇬🇧)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- AI \/ Voice-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 AC700G grade specifically suited for cast iron turning?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: AC700G features an extra-thick crystalline Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e coating optimized specifically to combat the extreme thermal stress and abrasive friction unique to grey and ductile cast irons (ISO K).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What is the ANSI designation for ISO TNMG160404N-SU?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: The exact ANSI equivalent code is TNMG 331-SU, denoting a 3\/8\" inscribed circle (i.C.), 3\/16\" thickness, and 1\/64\" corner radius.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use AC700G inserts for steel or stainless steel turning?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: No. AC700G is formulated specifically for cast iron (ISO K). For steel turning (ISO P), use Sumitomo AC820P or AC830P grades. For stainless steel (ISO M), use AC6030M grade.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Technical Troubleshooting Guide --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003eMachining Troubleshooting \u0026amp; 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\u003eProblem \/ Wear Pattern\u003c\/th\u003e\n\u003cth\u003eProbable Cause\u003c\/th\u003e\n\u003cth\u003eCorrective Action\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExtreme Flank Wear\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAbrasive casting scale or insufficient cutting speed (V\u003csub\u003ec\u003c\/sub\u003e).\u003c\/td\u003e\n\u003ctd\u003eIncrease cutting speed (V\u003csub\u003ec\u003c\/sub\u003e) to leverage Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e thermal coating properties or ensure dry blowing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChipping on Interrupted Castings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMechanical shock from severe voids or sand pockets.\u003c\/td\u003e\n\u003ctd\u003eReduce feed rate (f\u003csub\u003en\u003c\/sub\u003e) entering initial cut or inspect casting pre-machining.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkpiece Vibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOverhang too long or excessive radial clamping force.\u003c\/td\u003e\n\u003ctd\u003eEnsure toolholder shank is rigid and leverage the low-resistance geometry of the SU breaker.\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 Technical Tip \u0026 Authority Statement --\u003e\u003cfooter class=\"cnc-dark-box\" style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"color: #ffffff !important; margin-top: 0;\"\u003eGrade \u0026amp; Application Tip (Workpiece Material Matrix)\u003c\/h3\u003e\n\u003cp\u003eSumitomo \u003cstrong\u003eAC700G\u003c\/strong\u003e is engineered specifically for high-efficiency turning in \u003cstrong\u003eISO K (Grey Cast Iron, Ductile Iron, and Nodular Cast Iron)\u003c\/strong\u003e. Do not use on steel or non-ferrous materials to avoid premature cratering or edge build-up.\u003c\/p\u003e\n\u003cdiv class=\"authority-badge\"\u003e\n\u003cstrong\u003eVerified Technical Reference:\u003c\/strong\u003e Manufactured under ISO 1832:2017 (Indexable inserts for cutting tools — Designation) \u0026amp; ISO 513:2012 (Classification and application of hard cutting materials). Technical parameters verified against Sumitomo Electric Hardmetal Global Cutting Tool Specifications.\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Sumitomo Electric","offers":[{"title":"Default Title","offer_id":43396481417388,"sku":"TNMG160404N-SU AC700G","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Sumitomo_TNMG160404N-SU_AC700G_carbide_turning_insert_top_view.jpg?v=1786686414","url":"https:\/\/cnchome-beyond.com\/products\/sumitomo-tnmg160404n-su-ac700g-carbide-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}