{"product_id":"tnmg160404n-su-ac830p-sumitomo-carbide-insert","title":"Sumitomo TNMG160404N-SU AC830P 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 AC830P 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-resistance light steel cutting, thin-walled workpieces, and heavy interrupted turning?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSumitomo TNMG160404N-SU AC830P\u003c\/strong\u003e (ANSI Designation: \u003cstrong\u003eTNMG 331-SU\u003c\/strong\u003e) is a double-sided 60° triangular carbide indexable turning insert engineered for low cutting resistance and high-toughness steel machining. Built with Sumitomo’s tough \u003cstrong\u003eAC830P CVD Coating grade\u003c\/strong\u003e, it features an advanced multi-layer Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e and TiCN coating structure over a shock-resistant carbide substrate. This grade delivers superior resistance to edge chipping, mechanical shock, and thermal fatigue during interrupted cuts on ISO P20–P40 carbon steels, alloy steels, and forgings.\u003c\/p\u003e\n\u003cp\u003eFeaturing the specialized \u003cstrong\u003eSU Low Resistance \/ Light Cutting Chipbreaker\u003c\/strong\u003e geometry, this insert is designed with a high rake angle and sharp cutting edge to minimize cutting force and chatter. It excels on low-rigidity setups, long slender shafts, thin-walled workpieces, 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 smooth chip evacuation without workpiece deflection.\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 Economy Cutting Edges:\u003c\/strong\u003e Double-sided negative 60° geometry offers lower tooling costs per edge for high-volume steel lathe turning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC830P CVD Tough Coating Grade:\u003c\/strong\u003e High-impact multi-layer Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e\/TiCN structure built to survive interrupted cuts and heavy vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSU Ultra-Low Resistance Chipbreaker:\u003c\/strong\u003e High positive inclination angle minimizes cutting forces, preventing burrs, workpiece chatter, and thin-wall deflection.\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 worldwide toolholder standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 0.4 mm (1\/64\") Radius:\u003c\/strong\u003e Delivers exceptional dimensional stability, low radial thrust force, and clean surface finishes.\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 architectural breakdown of the \u003cstrong\u003eTNMG160404N-SU\u003c\/strong\u003e specification code:\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 AC830P\u003c\/td\u003e\n\u003ctd\u003eTNMG 331-SU AC830P\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 AC830P (CVD TiCN\/Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003eSumitomo AC830P (CVD TiCN\/Al\u003csub\u003e2\u003c\/sub\u003eO\u003csub\u003e3\u003c\/sub\u003e)\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 P: Alloy Steel \/ Forged Steel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 230 m\/min\u003cbr\u003e\u003ci\u003e(390 - 755 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 P: Carbon Steel \/ Mild Steel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140 - 260 m\/min\u003cbr\u003e\u003ci\u003e(460 - 850 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: Ductile Iron \/ Nodular Iron\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 220 m\/min\u003cbr\u003e\u003ci\u003e(390 - 720 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\u003e0.5 - 2.0 mm\u003cbr\u003e\u003ci\u003e(0.020 - 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\u003eThin-Walled Tubes \u0026amp; Bushings:\u003c\/strong\u003e Sharp shearing geometry prevents radial pressure and component deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Slender Shaft Turning:\u003c\/strong\u003e Low cutting force profile eliminates chatter on parts with high length-to-diameter ratios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Interrupted Cuts:\u003c\/strong\u003e Ideal for finishing operations across keyways, splines, and cross-holes in alloy steels.\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 lathes, Swiss-type automatic lathes, vertical VTLs, and manual engine lathes using ISO-standard toolholders. Direct drop-in fit 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\u003eAC830P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P20-P40\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSandvik Coromant\u003c\/td\u003e\n\u003ctd\u003eGC4335 \/ GC4235\u003c\/td\u003e\n\u003ctd\u003eLC \/ L-K\u003c\/td\u003e\n\u003ctd\u003eISO P25-P40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKennametal\u003c\/td\u003e\n\u003ctd\u003eKCP30 \/ KCP40\u003c\/td\u003e\n\u003ctd\u003eLF \/ FN\u003c\/td\u003e\n\u003ctd\u003eISO P25-P40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIscar\u003c\/td\u003e\n\u003ctd\u003eIC830 \/ IC8250\u003c\/td\u003e\n\u003ctd\u003eSF \/ F3P\u003c\/td\u003e\n\u003ctd\u003eISO P25-P40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKyocera\u003c\/td\u003e\n\u003ctd\u003eCA530 \/ CA525\u003c\/td\u003e\n\u003ctd\u003eVF \/ PP\u003c\/td\u003e\n\u003ctd\u003eISO P25-P35\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\u003ePerfect for slender steel shafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"The SU chipbreaker is a game changer for low rigidity setups. Zero chatter on long 4140 shafts and chip breaking is super clean even at light depth of cut.\"\u003c\/p\u003e\n\u003csmall\u003e— Robert L., CNC Turning Specialist (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\u003eGeringer Schnittdruck und hervorragende Standzeit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Ideal für dünnwandige Stahlrohre. Kein Verformen des Werkstücks und die AC830P-Sorte hält unterbrochene Schnitte problemlos aus.\"\u003c\/p\u003e\n\u003csmall\u003e— Stefan K., Fertigungstechnik (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\u003eOttimo per basse forze di taglio\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Rompitruciolo SU fantastico su tagli leggeri e pezzi flessibili. Nessuna vibrazione e finitura superficiale eccellente.\"\u003c\/p\u003e\n\u003csmall\u003e— Luca M., Capo Reparto 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低抵抗で細長ワークの加工に最適\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"SUブレーカの切れ味が良く、びびりが発生しやすい薄肉部品でも安定して削れます。AC830Pの耐久性も抜群です。\"\u003c\/p\u003e\n\u003csmall\u003e— Kenichi Y., Lead Machinist (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\u003eClean finish on interrupted light cuts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Holds tight tolerances across splined shafts without edge breakdown.\"\u003c\/p\u003e\n\u003csmall\u003e— David W., Production Engineer (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: How does the Sumitomo SU chipbreaker compare to the SX or UG chipbreakers?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: The SU chipbreaker is engineered for ultra-low cutting resistance in light cutting\/finishing (a\u003csub\u003ep\u003c\/sub\u003e: 0.3–2.5mm), making it ideal for thin-walled parts and flexible setups. The SX is designed for general light-to-medium finishing, while the UG is built for general medium-to-rough turning.\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: Why use AC830P CVD grade instead of P10\/P15 finishing grades for light cuts?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: While hard P10\/P15 grades offer high wear resistance in continuous smooth cuts, AC830P provides essential impact toughness (ISO P20–P40) needed when light finishing cuts involve interrupted features like keyways, splines, or surface scale.\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\u003eWorkpiece Chatter \/ Vibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcessive radial force or tool overhang.\u003c\/td\u003e\n\u003ctd\u003eVerify SU breaker is engaged, reduce overhang, or slightly increase feed rate.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUncontrolled Stringy 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) is below the SU breaker activation threshold.\u003c\/td\u003e\n\u003ctd\u003eIncrease feed rate (f\u003csub\u003en\u003c\/sub\u003e) above 0.08 mm\/rev or deepen cut slightly beyond 0.3 mm.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRapid Crater Wear\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcessive cutting speed (V\u003csub\u003ec\u003c\/sub\u003e) generating extreme heat.\u003c\/td\u003e\n\u003ctd\u003eReduce surface speed (V\u003csub\u003ec\u003c\/sub\u003e) by 15% and check high-pressure coolant direction.\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\u003eAC830P\u003c\/strong\u003e is engineered for high toughness and interrupted steel turning in \u003cstrong\u003eISO P (Carbon \u0026amp; Alloy Steels)\u003c\/strong\u003e. For non-ferrous materials like aluminum or copper (ISO N), switch to uncoated micrograin carbide or PCD grades to prevent 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","offers":[{"title":"Default Title","offer_id":43396484694188,"sku":"TNMG160404N-SU AC830P","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Sumitomo_TNMG160404N-SU_AC830P_carbide_turning_insert_top_view.jpg?v=1786612393","url":"https:\/\/cnchome-beyond.com\/products\/tnmg160404n-su-ac830p-sumitomo-carbide-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}