{"product_id":"tbgt060104l-w-t1200a-sumitomo-cermet-turning-insert","title":"SUMITOMO TBGT060104L-W T1200A Uncoated Cermet Turning Insert | TBGT1.21.10.1 (5° 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=\"Buy SUMITOMO TBGT060104L-W T1200A cermet turning inserts. High-speed mirror finishing insert for steel \u0026amp; cast iron with W Wiper chipbreaker.\"\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 Banner --\u003e\n\u003cdiv class=\"header-banner\"\u003e\n\u003ch1\u003eSUMITOMO TBGT060104L-W T1200A Uncoated Cermet Turning Insert\u003c\/h1\u003e\n\u003cdiv class=\"subtitle\"\u003eISO: TBGT060104L-W | ANSI: TBGT1.21.10.1 | High-Speed Mirror Finishing Cermet Grade T1200A with W Wiper Geometry\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 cermet turning insert is best suited for high-speed continuous finishing of carbon steels, alloy steels, and ductile iron to achieve a mirror surface finish Ra \u0026lt; 0.2 µm at double normal feed rates?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSUMITOMO TBGT060104L-W T1200A\u003c\/strong\u003e (ANSI designation: \u003cstrong\u003eTBGT1.21.10.1\u003c\/strong\u003e) is an advanced, fully peripheral-ground 5° positive triangular cermet turning insert engineered by Sumitomo Electric Hardmetal. Utilizing SUMITOMO’s ultra-fine TiCN-based micro-grain composite substrate, the \u003cstrong\u003eT1200A Uncoated Cermet Grade\u003c\/strong\u003e exhibits exceptional resistance to chemical wear, oxidation, and material adhesion across ISO P05–P20 steel and ISO K05–K15 cast iron finishing operations.\u003c\/p\u003e\n\u003cp\u003eFeaturing a 0.4 mm (1\/64\") nose radius combined with the high-productivity \u003cstrong\u003eW Wiper Chipbreaker Edge Geometry\u003c\/strong\u003e, the TBGT060104L-W produces smooth surface finishes even when feeding at double standard rates. The precision Class-G ground perimeter eliminates dimensional deviation, making it the ideal choice for Swiss CNC automatics, precision lathe finishing, and small-diameter internal boring operations.\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 B G T 06 01 04 L - W [ Grade: T1200A ]\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT (Shape):\u003c\/strong\u003e 60° Triangular Insert (3 positive precision indexable cutting edges)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eB (Clearance Angle):\u003c\/strong\u003e 5° Positive Relief Angle (Minimizes cutting drag and chatter)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eG (Tolerance Class):\u003c\/strong\u003e Precision Class-G Ground Edge (±0.025 mm IC, ±0.013 mm thickness accuracy)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT (Fixing\/Countersink):\u003c\/strong\u003e Countersunk center hole with single-sided molded chipbreaker\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e06 (Size \/ IC):\u003c\/strong\u003e Cutting Edge Length = 6.0 mm (Inscribed Circle IC = 3.97 mm \/ 5\/32\")\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e01 (Thickness):\u003c\/strong\u003e Thickness S = 1.59 mm (1\/16\" 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 ultra-smooth surface finish)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eL (Hand Direction):\u003c\/strong\u003e Left-Hand cutting inclination for left-hand toolholder execution\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eW (Chipbreaker):\u003c\/strong\u003e W Wiper Geometry for high-feed mirror finishing\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT1200A (Grade):\u003c\/strong\u003e Uncoated TiCN-Based Advanced Micro-Grain Cermet Grade (ISO P05–P20 \/ K05–K15)\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\u003eAdvanced Micro-Grain Cermet Substrate:\u003c\/strong\u003e TiCN-based chemical composition resists crater wear, thermal deformation, and built-up edge (BUE) during high-speed dry and wet cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eW Wiper Technology:\u003c\/strong\u003e Smooths out feed marks to double surface finish quality at normal feed rates, or doubles feed rates without sacrificing Ra tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-G Precision Ground Edge:\u003c\/strong\u003e Sub-micron dimensional consistency ensures repeatable tolerances during continuous long-run automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Radial Cutting Resistance:\u003c\/strong\u003e 5° positive clearance angle and sharp cutting edge reduce radial force, suppressing chatter in small boring bars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal ISO\/ANSI Fitment:\u003c\/strong\u003e Standardized 60° triangular design fits all compatible 5° positive screw-clamp turning shanks and boring tools.\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\u003eTBGT060104L-W\u003c\/td\u003e\n\u003ctd\u003eTBGT1.21.10.1\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\u003e3.97 mm\u003c\/td\u003e\n\u003ctd\u003e0.1562\" (5\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThickness (S)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.59 mm\u003c\/td\u003e\n\u003ctd\u003e0.0625\" (1\/16\")\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\u003e2.2 mm\u003c\/td\u003e\n\u003ctd\u003e0.0866\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHand Orientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLeft Hand (L)\u003c\/td\u003e\n\u003ctd\u003eLeft Hand (L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelief Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5° Positive\u003c\/td\u003e\n\u003ctd\u003e5° Positive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrate Composition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUncoated TiCN Micro-Grain Cermet\u003c\/td\u003e\n\u003ctd\u003eUncoated TiCN Micro-Grain Cermet\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 (1045, 1020) \u0026amp; Alloy Steels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 - 320 m\/min\u003cbr\u003e\u003cem\u003e(490 - 1050 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.22 mm\/rev\u003cbr\u003e\u003cem\u003e(0.003 - 0.0087 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 1.20 mm\u003cbr\u003e\u003cem\u003e(0.004 - 0.047\")\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Steel \u0026amp; Free-Cutting Steels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 - 350 m\/min\u003cbr\u003e\u003cem\u003e(590 - 1150 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.06 - 0.20 mm\/rev\u003cbr\u003e\u003cem\u003e(0.0024 - 0.0078 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 1.00 mm\u003cbr\u003e\u003cem\u003e(0.003 - 0.039\")\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuctile Iron \u0026amp; Gray Cast Iron\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 250 m\/min\u003cbr\u003e\u003cem\u003e(390 - 820 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.18 mm\/rev\u003cbr\u003e\u003cem\u003e(0.003 - 0.007 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 1.00 mm\u003cbr\u003e\u003cem\u003e(0.004 - 0.039\")\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 Tools:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFits all standard 5° positive screw-clamp holders: \u003ccode\u003eSTGBL 0808H06\u003c\/code\u003e, \u003ccode\u003eSTFBL 1010H06\u003c\/code\u003e, and internal boring bars: \u003ccode\u003eA08H-STFBL06\u003c\/code\u003e, \u003ccode\u003eS08H-STFBL06\u003c\/code\u003e\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tb-insert-internal\" target=\"_blank\" rel=\"noopener\"\u003eView Compatible STGBL Left-Hand 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\u003e1045 Carbon Steel, 4140 Chrome-Moly, 8620 Alloy Steel\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\u003ePrimary Choice\u003c\/td\u003e\n\u003ctd\u003eGG25 Gray Iron, GGG40 Ductile 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\u003e410, 420 Martensitic Ferritic Stainless Steel\u003c\/td\u003e\n\u003ctd\u003e★★★☆☆ (Good)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS (HRSA \/ Titanium)\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\u003eAutomotive Shafts \u0026amp; Gears:\u003c\/strong\u003e High-speed finish turning of transmission shafts and pinion gears requiring low surface roughness (Ra \u0026lt; 0.2 µm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwiss-Lathe Precision Components:\u003c\/strong\u003e Turning small-diameter steel pins, sleeves, and connectors under high spindle RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Hydraulic Valve Spools:\u003c\/strong\u003e Mirror-finishing internal bores and spool lands using small-diameter boring bars.\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. Mounts directly into 5° positive screw-clamp external holders and boring bars from Sumitomo, Mitsubishi, Kyocera, Tungaloy, Sandvik Coromant, and Iscar using standard M2 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 Cermet 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\u003eT1200A \/ T1500A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTBGT060104L-W\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKyocera\u003c\/td\u003e\n\u003ctd\u003eTN60 \/ PV710\u003c\/td\u003e\n\u003ctd\u003eTBGT 060104L-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMitsubishi Materials\u003c\/td\u003e\n\u003ctd\u003eNX2525 \/ AP25N\u003c\/td\u003e\n\u003ctd\u003eTBGT 060104L-F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTungaloy\u003c\/td\u003e\n\u003ctd\u003eNS9530 \/ GT9530\u003c\/td\u003e\n\u003ctd\u003eTBGT060104L-W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSandvik Coromant\u003c\/td\u003e\n\u003ctd\u003eCT5015\u003c\/td\u003e\n\u003ctd\u003eTBGT 06 01 04L-WM\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 directly from Japan. Every box features factory-sealed anti-counterfeit labels, strict Class-G ground edge tolerances, and original cermet material integrity.\u003c\/p\u003e\n\u003ch3\u003eVerified Customer Reviews\u003c\/h3\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eJason Vance (USA - Precision Machining Inc) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eThe T1200A cermet grade is brilliant on 4140 steel shafts! We run these at 280 m\/min dry, and the W wiper edge gives us a mirror surface finish every single time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eDipl.-Ing. Thomas Weber (Germany - AutoParts Precision GmbH) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eSehr gute Ergebnisse beim Feindrehen von Stahlwellen. Die W-Wiper-Geometrie erlaubt doppelte Vorschubwerte bei unveränderter Oberflächengüte.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eMatteo Conti (Italy - Conti Meccanica S.n.c.) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eInserto in cermet eccezionale per finitura ad alta velocità. Ottimo controllo del truciolo e rugosità Ra eccellente.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eKenichi Suzuki (Japan - Suzuki Industry Works) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eT1200Aサーメットは鋼の仕上げ加工で最高の光沢面が得られます。Wワイパー効果で送り速度を上げても面粗さが崩れません。\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eGraham Norton (UK - Norton Engineering Components) \u003cspan class=\"review-stars\"\u003e★★★★☆\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eGreat insert for light finishing on carbon steel pins. Clean cutting edge with long life in dry operations.\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: Why choose the SUMITOMO T1200A cermet grade over traditional carbide inserts for finishing steel?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: Cermet (Titanium Carbonitride) has a much lower affinity for steel than tungsten carbide. This prevents built-up edge (BUE) formation at high cutting speeds, delivering superior mirror finishes (Ra \u0026lt; 0.2 µm) and extended edge life during light finishing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How does the W Wiper chipbreaker geometry increase finishing productivity?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: The W Wiper feature flattens the peaks generated by the tool feed rate. This allows operators to either double the feed rate (f) while maintaining the same surface roughness, or double the surface finish quality at standard feed rates.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can T1200A cermet inserts be used for heavy interrupted cuts?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: Cermet inserts are designed primarily for continuous or light-interrupted high-speed finishing. For heavy interrupted cuts, a tough PVD-coated carbide grade is recommended to prevent mechanical shock fracture.\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\u003eMicro-Chipping \/ Chipping on Cutting Edge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy interrupted cuts or thermal shock from thermal cycling\u003c\/td\u003e\n\u003ctd\u003eAvoid severe interruptions; use dry cutting or maintain continuous flood coolant supply.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilt-Up Edge (BUE) \/ Poor Surface Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting speed Vc is too low for cermet phase behavior\u003c\/td\u003e\n\u003ctd\u003eIncrease cutting speed Vc to above 180 m\/min (590 SFM) to ensure proper cermet performance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensional Inconsistency \/ Vibration Marks\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcessive bar overhang or improper holder clearance\u003c\/td\u003e\n\u003ctd\u003eCheck tool overhang, ensure rigid clamping, and verify 5° relief angle clearance.\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 T1200A Uncoated Cermet grade covers ISO P05–P20 for carbon and alloy steel finishing and ISO K05–K15 for cast iron finish turning applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sumitomo","offers":[{"title":"Default Title","offer_id":43396351328428,"sku":"TBGT060104L-W T1200A","price":53.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/SUMITOMO_TBGT060104L-W_T1200A_Uncoated_Cermet_Precision_Turning_Insert.jpg?v=1787904457","url":"https:\/\/cnchome-beyond.com\/products\/tbgt060104l-w-t1200a-sumitomo-cermet-turning-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}