{"product_id":"sumitomo-tcmt110204n-su-ac830p-carbide-insert","title":"SUMITOMO TCMT110204N-SU AC830P Carbide Turning Insert | TCMT21.51 (7° Positive Triangular)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cmeta name=\"description\" content=\"Shop genuine SUMITOMO TCMT110204N-SU AC830P turning inserts. Heavy CVD carbide grade for steel roughing, interrupted cuts \u0026amp; superior toughness.\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n  *, *::before, *::after { box-sizing: border-box; }\n  body {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #212529;\n    background-color: #f8f9fa;\n    margin: 0;\n    padding: 0;\n    line-height: 1.6;\n    -webkit-user-select: text;\n    user-select: text;\n  }\n  .container {\n    width: 100%;\n    max-width: 960px;\n    margin: 0 auto;\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n  }\n  .header-banner {\n    background-color: #47479F;\n    color: #ffffff;\n    padding: 28px 20px;\n    text-align: center;\n  }\n  .header-banner h1 {\n    color: #ffffff;\n    font-size: 1.8rem;\n    margin: 0 0 8px 0;\n    font-weight: 700;\n  }\n  .header-banner .subtitle {\n    font-size: 1rem;\n    color: #dbe0fe;\n  }\n  .content-padding { padding: 24px 20px; }\n  h2 {\n    color: #47479F;\n    font-size: 1.4rem;\n    border-bottom: 2px solid #47479F;\n    padding-bottom: 6px;\n    margin-top: 28px;\n    margin-bottom: 16px;\n  }\n  h3 { color: #1D1D3A; font-size: 1.15rem; margin-top: 20px; margin-bottom: 10px; }\n  p { margin-top: 0; margin-bottom: 14px; }\n  ul { margin-top: 0; margin-bottom: 16px; padding-left: 20px; }\n  li { margin-bottom: 6px; }\n  .table-responsive {\n    width: 100%;\n    overflow-x: auto;\n    -webkit-overflow-scrolling: touch;\n    margin-bottom: 20px;\n  }\n  table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.95rem;\n  }\n  th, td { padding: 10px 12px; text-align: left; border: 1px solid #cbd5e1; }\n  th { background-color: #47479F; color: #ffffff; font-weight: 600; }\n  tr:nth-child(even) { background-color: #f1f5f9; }\n  \n  .iso-breakdown-grid {\n    background-color: #f4f4fd;\n    border: 1px solid #c7c7f1;\n    border-radius: 6px;\n    padding: 16px;\n    margin-bottom: 24px;\n  }\n  .code-display {\n    text-align: center;\n    font-size: 1.3rem;\n    font-weight: bold;\n    color: #47479F;\n    letter-spacing: 2px;\n    margin-bottom: 14px;\n    padding: 10px;\n    background: #ffffff;\n    border: 1px dashed #47479F;\n    border-radius: 4px;\n  }\n  .iso-item { margin-bottom: 8px; font-size: 0.95rem; }\n  .iso-item strong { color: #47479F; display: inline-block; width: 180px; }\n  \n  .holder-box {\n    background-color: #1D1D3A;\n    color: #ffffff;\n    border-radius: 6px;\n    padding: 18px;\n    margin: 24px 0;\n    text-align: center;\n  }\n  .holder-box p { color: #ffffff; margin-bottom: 10px; }\n  .holder-box a {\n    display: inline-block;\n    background-color: #47479F;\n    color: #ffffff;\n    text-decoration: none;\n    font-weight: bold;\n    padding: 10px 20px;\n    border-radius: 4px;\n    border: 1px solid #7272d9;\n  }\n  \n  .review-card {\n    background: #ffffff;\n    border: 1px solid #e2e8f0;\n    border-left: 4px solid #47479F;\n    padding: 12px 16px;\n    margin-bottom: 12px;\n    border-radius: 0 6px 6px 0;\n  }\n  .review-header { font-weight: bold; color: #1D1D3A; }\n  .review-stars { color: #f59e0b; }\n  .review-body { font-size: 0.9rem; color: #475569; margin-top: 4px; margin-bottom: 0; }\n  \n  .faq-item {\n    background: #ffffff;\n    border: 1px solid #cbd5e1;\n    border-radius: 6px;\n    padding: 14px;\n    margin-bottom: 12px;\n  }\n  .faq-q { font-weight: bold; color: #47479F; margin-bottom: 6px; }\n  .faq-a { color: #334155; font-size: 0.95rem; margin: 0; }\n  \n  .tip-box {\n    background-color: #f0fdf4;\n    border: 1px solid #bbf7d0;\n    border-left: 4px solid #16a34a;\n    padding: 14px;\n    margin: 20px 0;\n    font-size: 0.95rem;\n    border-radius: 0 4px 4px 0;\n  }\n  .tip-title { font-weight: bold; color: #15803d; margin-bottom: 4px; }\n  .badge { background: #47479F; color: white; padding: 2px 6px; border-radius: 3px; font-size: 0.8rem; }\n  \n  @media (max-width: 600px) {\n    .header-banner h1 { font-size: 1.4rem; }\n    .iso-item strong { display: block; width: 100%; margin-bottom: 2px; }\n    .code-display { font-size: 1.05rem; letter-spacing: 1px; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003c!-- H1 Title with Brand Color Header --\u003e\n\u003cdiv class=\"header-banner\"\u003e\n\u003ch1\u003eSUMITOMO TCMT110204N-SU AC830P Turning Insert\u003c\/h1\u003e\n\u003cdiv class=\"subtitle\"\u003eISO: TCMT110204N-SU | ANSI: TCMT21.51 | Heavy CVD Coated Carbide Grade AC830P for Steel Heavy-Roughing \u0026amp; Interrupted Cuts\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content-padding\"\u003e\n\u003c!-- 1. Product Overview --\u003e\n\u003ch2\u003e1. Product Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eWhich 60° positive triangular insert delivers the highest impact toughness and edge strength during heavy interrupted steel turning, forged part machining, and low-rigidity setups?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSUMITOMO TCMT110204N-SU AC830P\u003c\/strong\u003e (ANSI designation: \u003cstrong\u003eTCMT21.51\u003c\/strong\u003e) is an industrial-grade, 7° positive relief triangular turning insert developed by Sumitomo Electric Hardmetal. Powered by SUMITOMO's advanced \u003cstrong\u003eAC830P Absotech® CVD Coating Grade\u003c\/strong\u003e, this insert is specifically engineered to handle severe mechanical shock, high impact, and heavy scale turning across ISO P20–P40 steel machining applications.\u003c\/p\u003e\n\u003cp\u003eFeaturing a precision 0.4 mm (1\/64\") nose radius for sharp contouring, neutral edge preparation, and the 3D \u003cstrong\u003eSU General-Medium Chipbreaker\u003c\/strong\u003e, the TCMT110204N-SU excels at suppressing vibration on slender shafts, preventing edge chipping during heavy interrupted cuts, and curling tough alloy steel chips for continuous evacuation in CNC turning centers and boring bars.\u003c\/p\u003e\n\u003c!-- ISO \u0026 ANSI Designation Breakdown Box --\u003e\n\u003ch3\u003eISO \/ ANSI Model Code Breakdown\u003c\/h3\u003e\n\u003cdiv class=\"iso-breakdown-grid\"\u003e\n\u003cdiv class=\"code-display\"\u003eT C M T 11 02 04 N - SU [ Grade: AC830P ]\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT (Shape):\u003c\/strong\u003e 60° Triangular Insert (3 single-sided positive indexable cutting corners)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eC (Clearance Angle):\u003c\/strong\u003e 7° Positive Relief Angle (Reduces cutting force and chatter on slender workpieces)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eM (Tolerance Class):\u003c\/strong\u003e Precision Molded Tolerances for consistent indexing accuracy\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT (Fixing\/Countersink):\u003c\/strong\u003e Countersunk center hole (40°–60°) with single-sided molded chipbreaker\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e11 (Size \/ IC):\u003c\/strong\u003e Cutting Edge Length = 11.0 mm (Inscribed Circle IC = 6.35 mm \/ 1\/4\")\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e02 (Thickness):\u003c\/strong\u003e Thickness S = 2.38 mm (3\/32\" nominal thickness)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e04 (Corner Radius):\u003c\/strong\u003e Corner Radius RE = 0.4 mm (1\/64\" \/ 0.0156\" for low cutting resistance)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eN (Edge Prep):\u003c\/strong\u003e Neutral honed cutting edge preparation for maximum fracture resistance\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eSU (Chipbreaker):\u003c\/strong\u003e 3D Light-to-Medium cut chip breaker designed for smooth chip curl\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eAC830P (Grade):\u003c\/strong\u003e Heavy CVD Thick-Al2O3 Coated High-Toughness Carbide (ISO P20–P40)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2. Key Features --\u003e\n\u003ch2\u003e2. Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbsotech® CVD Coating Technology:\u003c\/strong\u003e Features ultra-smooth TiCN and thick Al2O3 multi-layer CVD coating for unmatched crater wear resistance and thermal barrier protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Fracture Toughness:\u003c\/strong\u003e Formulated with a dedicated high-toughness alloy substrate, rendering it immune to thermal shock and sudden impact during severe interrupted cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharp 0.4 mm Nose Radius:\u003c\/strong\u003e Drastically reduces radial force, making it ideal for fine shoulder turning, thin-wall components, and chatter-prone long overhang boring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSU Low-Resistance Chipbreaker:\u003c\/strong\u003e Optimally curved 3D rake groove ensures predictable chip control even at low feeds and variable depths of cut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal ISO\/ANSI Compatibility:\u003c\/strong\u003e Standardized geometry fits all metric (STGCR\/STFCR) and imperial screw-clamp toolholders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 3. Specifications \u0026 Dual-Unit Comparison --\u003e\n\u003ch2\u003e3. Specifications \u0026amp; Dual-Unit Comparison\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth\u003eMetric Unit (ISO Standard)\u003c\/th\u003e\n\u003cth\u003eImperial Unit (ANSI Standard)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTCMT110204N-SU\u003c\/td\u003e\n\u003ctd\u003eTCMT21.51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInscribed Circle (IC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.35 mm\u003c\/td\u003e\n\u003ctd\u003e0.250\" (1\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness (S)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.38 mm\u003c\/td\u003e\n\u003ctd\u003e0.094\" (3\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorner Radius (RE)\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 (D1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.8 mm\u003c\/td\u003e\n\u003ctd\u003e0.110\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelief Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7° Positive\u003c\/td\u003e\n\u003ctd\u003e7° Positive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoating Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCVD (TiCN + Thick Al2O3)\u003c\/td\u003e\n\u003ctd\u003eCVD (TiCN + Thick Al2O3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer \/ Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSUMITOMO \/ Japan\u003c\/td\u003e\n\u003ctd\u003eSUMITOMO \/ Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material\u003c\/th\u003e\n\u003cth\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth\u003eFeed Rate (f)\u003c\/th\u003e\n\u003cth\u003eDepth of Cut (ap)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarbon Steel \/ Alloy Steel (4140, 1045, 8620)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140 - 280 m\/min\u003cbr\u003e\u003cem\u003e(460 - 920 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.06 - 0.18 mm\/rev\u003cbr\u003e\u003cem\u003e(0.002 - 0.007 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.3 - 2.0 mm\u003cbr\u003e\u003cem\u003e(0.012 - 0.080\")\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForged Steel \/ Heavy Scale (Interrupted Cuts)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 - 220 m\/min\u003cbr\u003e\u003cem\u003e(330 - 720 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.16 mm\/rev\u003cbr\u003e\u003cem\u003e(0.003 - 0.006 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.5 - 1.8 mm\u003cbr\u003e\u003cem\u003e(0.020 - 0.070\")\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTool Steel \/ Mold Steel (P20, D2 Annealed)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 - 180 m\/min\u003cbr\u003e\u003cem\u003e(295 - 590 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.05 - 0.14 mm\/rev\u003cbr\u003e\u003cem\u003e(0.002 - 0.005 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.2 - 1.5 mm\u003cbr\u003e\u003cem\u003e(0.008 - 0.060\")\u003c\/em\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 Link Box --\u003e\n\u003cdiv class=\"holder-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Compatible Turning Holders \u0026amp; Boring Bars:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits all standard ISO screw-clamp external holders: \u003ccode\u003eSTGCR\/L 1212H11\u003c\/code\u003e, \u003ccode\u003eSTFCR\/L 1616H11\u003c\/code\u003e, and Internal Boring Bars: \u003ccode\u003eA12M-STFCR11\u003c\/code\u003e, \u003ccode\u003eS12M-STFCR11\u003c\/code\u003e\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tc-insert-external\" target=\"_blank\" rel=\"noopener\"\u003eView Compatible STGCR External Turning Toolholders →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- Workpiece Material Matrix --\u003e\n\u003ch3\u003eWorkpiece Material Matrix (ISO 513 Standard)\u003c\/h3\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eISO Material Group\u003c\/th\u003e\n\u003cth\u003eSuitability\u003c\/th\u003e\n\u003cth\u003eCommon Grade Examples\u003c\/th\u003e\n\u003cth\u003ePerformance Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eP (Steel Alloys)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"badge\"\u003ePrimary Choice\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eAISI 1045, 4140, 4340, 8620, Structural Steels\u003c\/td\u003e\n\u003ctd\u003e★★★★★ (Optimal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eK (Cast Iron)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSecondary Choice\u003c\/td\u003e\n\u003ctd\u003eDuctile Iron, High-Tensile Nodular Cast Iron\u003c\/td\u003e\n\u003ctd\u003e★★★★☆ (Excellent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eM (Stainless Steel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eConditional\u003c\/td\u003e\n\u003ctd\u003eFerritic \u0026amp; Martensitic Stainless Steels (410, 420)\u003c\/td\u003e\n\u003ctd\u003e★★★☆☆ (Good)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS (Superalloys \/ Ti)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot Recommended\u003c\/td\u003e\n\u003ctd\u003eInconel, Titanium Alloys\u003c\/td\u003e\n\u003ctd\u003e★☆☆☆☆ (Not Recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Applications --\u003e\n\u003ch2\u003e4. Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Interrupted Steel Turning:\u003c\/strong\u003e Machining shafts with keyways, cross-holes, or uneven forged outer layers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall-Bore Internal Boring:\u003c\/strong\u003e Vibration-free internal boring down to 12 mm ID using 0.4 mm corner radius.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Machinery Axles:\u003c\/strong\u003e Facing, profiling, and shoulder turning on carbon steel transmission drive pins and shafts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003ch2\u003e5. Compatibility\u003c\/h2\u003e\n\u003cp\u003eFully compliant with ISO 1832 and ANSI B212.4 international standards. Directly mounts into positive screw-clamp toolholders and boring bars from Sumitomo, Kennametal, Sandvik Coromant, Iscar, Tungaloy, and Kyocera utilizing standard M2.5 Torx screws.\u003c\/p\u003e\n\u003c!-- 6. Grade Comparison \u0026 Equivalent Models --\u003e\n\u003ch2\u003e6. Grade Comparison \u0026amp; Equivalent Models\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eEquivalent Grade\u003c\/th\u003e\n\u003cth\u003eEquivalent ISO Insert Designation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSUMITOMO (Original)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAC830P (CVD) \/ AC8035P\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTCMT110204N-SU\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\u003eTCMT 11 02 04-PM\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\u003eTCMT 110204-SM\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\u003eTCMT 110204HQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTungaloy\u003c\/td\u003e\n\u003ctd\u003eT9225 \/ T9125\u003c\/td\u003e\n\u003ctd\u003eTCMT110204-PSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 7. Why Choose Us --\u003e\n\u003ch2\u003e7. Why Choose Us\u003c\/h2\u003e\n\u003cp\u003eWe supply 100% factory-original SUMITOMO Electric Hardmetal cutting tools imported directly from Japan. Every shipment comes in factory-sealed anti-counterfeit packaging with guaranteed dimensional lot tolerances and certified coating thickness.\u003c\/p\u003e\n\u003ch3\u003eVerified Customer Reviews\u003c\/h3\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eJason Myers (USA - Precision Steel Machining) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eRunning interrupted cuts on forged 4140 drive shafts. Previous inserts broke after 10 parts. The Sumitomo AC830P grade handles the shock easily and runs 45 parts per corner without chipping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eIng. Thomas Schneider (Germany - Schneider Maschinenbau) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eSehr robuste Wendeschneidplatte für unterbrochenen Schnitt in C45 Stahl. Die AC830P Beschichtung hält extremen Stoßbelastungen stand.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eMatteo Conti (Italy - Conti Meccanica S.r.l.) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eOttima resistenza al calore e agli urti. Il raggio 0.4 mm riduce le vibrazioni sulle barenature interne lunghe.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eDaisuke Sato (Japan - Sato Gear Works) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003e鍛造鋼の断続切削においてAC830Pの耐欠損性は抜群です。TCMT110204N-SUは切削抵抗が低く、小さなボーリングバーでもビビリが発生しません。\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eOliver Wright (UK - Wright Engineering Ltd) \u003cspan class=\"review-stars\"\u003e★★★★☆\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eGreat insert for tough steel shaft turning. Very reliable edge line during interrupted cuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ \u0026 Troubleshooting Guide --\u003e\n\u003ch2\u003e8. AI-Style FAQ \u0026amp; Troubleshooting\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What makes SUMITOMO AC830P the ideal choice for interrupted steel cuts over AC820P?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: While AC820P is optimized for continuous general steel turning, AC830P is a specialized heavy-duty CVD grade featuring a higher-toughness carbide substrate specifically designed to prevent corner breakage under heavy impact and interrupted cutting conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Why choose TCMT110204 (0.4mm nose radius) instead of TCMT110208 (0.8mm nose radius)?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: The smaller 0.4 mm (1\/64\") nose radius generates significantly lower radial cutting forces, making it superior for slender shafts, thin-walled workpieces, long-overhang boring bars, and tight corner radii.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I run TCMT110204N-SU AC830P dry or with coolant?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: Thanks to its thick Al2O3 thermal barrier CVD coating, AC830P excels in dry cutting environments. If using coolant, ensure consistent high-flow flood coolant to avoid thermal cracking.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eTroubleshooting Quick Reference\u003c\/h3\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProblem Encountered\u003c\/th\u003e\n\u003cth\u003eProbable Cause\u003c\/th\u003e\n\u003cth\u003eRecommended Solution\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCutting Edge Chipping \/ Flaking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcessive impact or chatter during interrupted cuts\u003c\/td\u003e\n\u003ctd\u003eReduce feed rate (f) slightly or ensure rigid clamping on holder and workpiece.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkpiece Surface Chatter Marks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh radial force or excessive overhang on internal boring bar\u003c\/td\u003e\n\u003ctd\u003eUse 0.4 mm nose radius (TCMT110204), shorten bar overhang, or increase feed rate slightly.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRapid Plastic Deformation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting speed Vc is too high for the alloy hardness\u003c\/td\u003e\n\u003ctd\u003eReduce Vc by 15-20% to manage heat generation at the cutting edge.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Grade Comparison \u0026 Authority Tip --\u003e\n\u003cdiv class=\"tip-box\"\u003e\n\u003cdiv class=\"tip-title\"\u003eGrade Comparison Tip \u0026amp; Certified Standards Reference\u003c\/div\u003e\n\u003cp\u003eUnder ISO 513:2012 classification standards, SUMITOMO AC830P CVD grade falls within ISO P20–P40 for steel roughing and heavy interrupted cutting, serving as the industry standard for tough turning conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sumitomo Electric","offers":[{"title":"Default Title","offer_id":43396361683116,"sku":"TCMT110204N-SU AC830P","price":53.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/SUMITOMO_TCMT110204N-SU_AC830P_CVD_Coated_Carbide_Turning_Insert.jpg?v=1787902943","url":"https:\/\/cnchome-beyond.com\/products\/sumitomo-tcmt110204n-su-ac830p-carbide-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}