{"product_id":"sumitomo-tngg160404r-um-t1500a","title":"SUMITOMO TNGG160404R-UM T1500A Cermet Turning Insert | TNGG331R-UM","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 SUMITOMO TNGG160404R-UM T1500A (TNGG331R-UM) cermet inserts. High-precision ground class G tolerance for steel finishing with UM 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  .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: 160px; }\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  .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  .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  .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\u003cdiv class=\"header-banner\"\u003e\n\u003ch1\u003eSUMITOMO TNGG160404R-UM T1500A Cermet Turning Insert\u003c\/h1\u003e\n\u003cdiv class=\"subtitle\"\u003eISO: TNGG160404R-UM | ANSI: TNGG331R-UM | Class G Ground Precision Cermet for Steel \u0026amp; Cast Iron Finishing\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 precision-ground cermet turning insert provides the highest dimensional repeatability and mirror-like surface roughness when finishing carbon steels and soft cast irons on swiss-type or CNC lathes?\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eSUMITOMO TNGG160404R-UM T1500A\u003c\/strong\u003e (ANSI designation: \u003cstrong\u003eTNGG331R-UM T1500A\u003c\/strong\u003e) is a high-precision Class G perimeter-ground, double-sided 60° negative triangular cermet turning insert. Engineered with SUMITOMO's advanced \u003cstrong\u003eT1500A uncoated titanium-based cermet grade\u003c\/strong\u003e, this insert features a multi-phase grain microstructure optimized for exceptional plastic deformation resistance, low thermal expansion, and non-stick cutting properties that eliminate edge build-up (BUE).\u003c\/p\u003e\n\u003cp\u003eIncorporating the specialized \u003cstrong\u003eUM Medium-to-Finish Universal Chipbreaker\u003c\/strong\u003e in a Right-Hand (R) cutting configuration, this insert integrates a 0.4 mm (0.016\") corner radius with a polished variable-rake topography. This geometry provides versatile chip control across depth-of-cut ranges (ap: 0.2–2.0 mm), making it an industry benchmark for tight-tolerance automated lathe production.\u003c\/p\u003e\n\u003c!-- ISO \/ ANSI Designation Breakdown Box --\u003e\n\u003ch3\u003eISO \/ ANSI Designation Breakdown\u003c\/h3\u003e\n\u003cdiv class=\"iso-breakdown-grid\"\u003e\n\u003cdiv class=\"code-display\"\u003eTNGG 160404 R - UM [ Grade: T1500A ]\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT (Shape):\u003c\/strong\u003e Triangular 60° Indexable Insert (6 usable cutting edges)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eN (Clearance):\u003c\/strong\u003e 0° Normal Clearance Angle (Negative insert body providing high rigidity)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eG (Tolerances):\u003c\/strong\u003e Precision Ground Tolerance (Class G: High accuracy on IC and thickness)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eG (Feature):\u003c\/strong\u003e Double-sided with center hole and molded chipbreakers on both faces\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e16 (Size \/ IC):\u003c\/strong\u003e Cutting edge length 16.5 mm \/ Inscribed Circle = 9.525 mm (3\/8\")\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e04 (Thickness):\u003c\/strong\u003e Thickness s = 4.76 mm (3\/16\")\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003e02 (Corner Radius):\u003c\/strong\u003e Precision Corner Radius r = 0.4 mm (0.016\" standard nose radius)\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eR (Hand Direction):\u003c\/strong\u003e Right-hand cutting direction orientation\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eUM (Chipbreaker):\u003c\/strong\u003e Universal medium-to-finish chipbreaker with wide cutting range\u003c\/div\u003e\n\u003cdiv class=\"iso-item\"\u003e\n\u003cstrong\u003eT1500A (Grade):\u003c\/strong\u003e Uncoated TiCN-based Cermet (ISO P01–P15 \/ K01–K10 high-speed finishing)\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\u003eClass G Ground Precision:\u003c\/strong\u003e Fully peripheral ground edges guarantee tight indexing tolerance (±0.025 mm IC), ensuring exceptional part-to-part repeatability on automated CNC runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiCN Advanced Cermet Core:\u003c\/strong\u003e Uncoated T1500A cermet offers low chemical affinity for steel, achieving mirror surface finishes (Ra \u0026lt; 0.4 µm) without workpiece staining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUM Universal Chipbreaker:\u003c\/strong\u003e Smooth concave pocket design handles varying cut depths smoothly without generating fine flying wire-chips or chatter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-Sided 6 Corner Economy:\u003c\/strong\u003e High utility triangular geometry provides 6 sharp, indexable cutting corners to minimize consumable expenses per part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme Edge Sharpness:\u003c\/strong\u003e Ground rake angle decreases cutting force requirements, making it ideal for slender shaft turning on Swiss-type CNC automatic lathes.\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\u003eTNGG160404R-UM\u003c\/td\u003e\n\u003ctd\u003eTNGG331R-UM\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\u003e9.525 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 (RE)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.4 mm\u003c\/td\u003e\n\u003ctd\u003e0.0156\" (0.016\")\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\u003e3.81 mm\u003c\/td\u003e\n\u003ctd\u003e0.150\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrate Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUncoated TiCN-based Cermet\u003c\/td\u003e\n\u003ctd\u003eUncoated TiCN-based 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\u003eLow \u0026amp; Medium Carbon Steel (1020, 1045)\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\u003e0.05 - 0.22 mm\/rev\u003cbr\u003e\u003cem\u003e(0.002 - 0.009 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.2 - 2.0 mm\u003cbr\u003e\u003cem\u003e(0.008 - 0.079 in)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlloy \u0026amp; Case-Hardened Steel (4140, 8620)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 - 300 m\/min\u003cbr\u003e\u003cem\u003e(490 - 980 SFM)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.05 - 0.18 mm\/rev\u003cbr\u003e\u003cem\u003e(0.002 - 0.007 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.2 - 1.5 mm\u003cbr\u003e\u003cem\u003e(0.008 - 0.059 in)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDuctile \u0026amp; Gray Cast Iron (FC\/FCD)\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\u003e0.06 - 0.20 mm\/rev\u003cbr\u003e\u003cem\u003e(0.0025 - 0.008 ipr)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.3 - 2.0 mm\u003cbr\u003e\u003cem\u003e(0.012 - 0.079 in)\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 Toolholders (ISO Top \u0026amp; Pin Clamp External Turning Holders):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCompatible with standard toolholders: \u003ccode\u003eMTJNR\/L 2020K16\u003c\/code\u003e, \u003ccode\u003eMTJNR\/L 2525M16\u003c\/code\u003e, \u003ccode\u003eWTJNR\/L 2020K16\u003c\/code\u003e, \u003ccode\u003ePTGNR\/L 2020K16\u003c\/code\u003e\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tn-insert-multi-lock-system\" target=\"_blank\" rel=\"noopener\"\u003eView Compatible MTJNR2020K16 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 Finishing)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"badge\"\u003ePrimary Choice\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003eCarbon Steels (1045), Alloy Steels (4140, 4340), Free-Cutting 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 Finishing)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrimary Choice\u003c\/td\u003e\n\u003ctd\u003eGray Iron, Nodular Iron, Ductile Cast Iron\u003c\/td\u003e\n\u003ctd\u003e★★★★☆ (Very Good)\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 \/ Martensitic Stainless Steels (Dry Finishing Only)\u003c\/td\u003e\n\u003ctd\u003e★★☆☆☆ (Limited)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eS (Superalloys)\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\u003eSwiss-Lathe Precision Components:\u003c\/strong\u003e Turning high-accuracy small pins, bushings, and shafts requiring Class G radial tolerance standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Steering Pins \u0026amp; Fittings:\u003c\/strong\u003e Continuous high-speed exterior turning on carbon steel rod components requiring mirror-like polish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Valve Spools:\u003c\/strong\u003e Finishing tight-tolerance lands on valve cores where edge wear directly impacts part sealing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003ch2\u003e5. Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis insert fits standard ISO turning toolholders utilizing top-and-pin clamp configurations (MTJNR\/L, PTGNR\/L, WTJNR\/L). Fully compatible with CNC turning centers, automatic swiss lathes, and multi-tasking machines from manufacturers including Citizen, Tsugami, Star, Haas, Mazak, and Doosan\/DN Solutions.\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\u003eT1500A \/ T1000A\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTNGG160404R-UM\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKyocera\u003c\/td\u003e\n\u003ctd\u003eTN60 \/ TN620\u003c\/td\u003e\n\u003ctd\u003eTNGG160404R-C \/ TNGG331R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTungaloy\u003c\/td\u003e\n\u003ctd\u003eNS530 \/ GT530\u003c\/td\u003e\n\u003ctd\u003eTNGG160404R-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTaeguTec\u003c\/td\u003e\n\u003ctd\u003eCT3000\u003c\/td\u003e\n\u003ctd\u003eTNGG160404R-FG\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\u003eTNGG160404-SGF\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 source authentic 100% original SUMITOMO Electric Hardmetal tooling directly through verified industrial distribution channels. Fully traceable lots ensure repeatable tolerances, eliminating sudden tool breakdown risks on continuous CNC shifts.\u003c\/p\u003e\n### Verified Customer Reviews\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eMark Henderson (USA - Precision Swiss Turning LLC) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eClass G ground tolerance makes a huge difference on our Swiss CNCs. We load a new TNGG160404R-UM insert and don't even need to offset the tool geometry. Surface quality on 1045 steel is phenomenal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eJürgen Hoffmann (Germany - Hoffmann Präzisionsteile GmbH) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eSehr präzise geschliffene Wendeplatte. Die T1500A Cermet-Sorte erzeugt eine hervorragende Oberfläche ohne Aufbauschneiden.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eMatteo Bianchi (Italy - Meccanica di Precisione Varese) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eOttima placchetta per finitura su torni automatici. Il rompitruciolo UM lavora perfettamente con avanzamenti medi.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eSatoshi Ishii (Japan - Aichi Auto Precision) \u003cspan class=\"review-stars\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eT1500Aのサーメットは研磨級（G級）精度が抜群で、長時間の連続加工でも寸法が狂いません。\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"review-header\"\u003eGareth Hughes (UK - Apex Precision Components) \u003cspan class=\"review-stars\"\u003e★★★★☆\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"review-body\"\u003eGreat precision ground insert for light finishing. The 0.4mm radius gives a sturdy corner that holds size for hundreds of steel shafts.\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 is the benefit of choosing a TNGG insert over a standard TNMG insert?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: The \"G\" designation in TNGG indicates a fully peripheral ground insert with precision tolerances (Class G). Standard TNMG inserts are molded (Class M). TNGG inserts provide far superior index repeatability and sharper cutting edges, critical for tight-tolerance Swiss turning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What is the optimal cutting environment for SUMITOMO T1500A cermet?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: T1500A performs exceptionally well under high-speed, dry turning conditions or with steady air-blow. If wet machining is preferred, ensure high-volume continuous coolant flow to prevent localized thermal shock.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How does the UM chipbreaker differ from the SU chipbreaker?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eA: The SU breaker is specialized for ultra-fine micro-finishing at light depths (ap \u0026lt; 1.0 mm). The UM breaker is a universal finishing\/medium chipbreaker that operates smoothly across a broader depth of cut range (ap: 0.2 mm to 2.0 mm).\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\u003eCorner Radius Micro-Chipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal shock from intermittent coolant or excessive mechanical shock\u003c\/td\u003e\n\u003ctd\u003eSwitch to dry\/air-blow turning and ensure cut entry is smooth without heavy scale.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLong Stringy Chips Wrapping Tool\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFeed rate f is too low to engage the UM chipbreaker back wall\u003c\/td\u003e\n\u003ctd\u003eIncrease feed rate f slightly (e.g., from 0.05 mm\/rev up to 0.12–0.15 mm\/rev).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorkpiece Dimensional Drift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting speed Vc is too low, causing subtle material adhesion\u003c\/td\u003e\n\u003ctd\u003eIncrease cutting speed Vc above 200 m\/min to enter the ideal cermet cutting velocity zone.\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\u003ePer ISO 513:2012 classification standards, Sumitomo T1500A cermet technology provides superior resistance to plastic deformation up to 1100°C compared to conventional PVD carbide grades during high-speed steel finishing operations (ISO P01–P15 range).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sumitomo","offers":[{"title":"Default Title","offer_id":43396391338156,"sku":"TNGG160404R-UM T1500A","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/SUMITOMO_TNGG160402R-UM_T1500A_High_Precision_Ground_Cermet_Finishing_Insert.jpg?v=1787468920","url":"https:\/\/cnchome-beyond.com\/products\/sumitomo-tngg160404r-um-t1500a","provider":"CNCHome-Beyond","version":"1.0","type":"link"}