{"product_id":"taegutec-tdt-8-00e-1-20-tt7220-insert-heavy-steel-turning-grooving","title":"Taegutec TDT 8.00E-1.20 TT7220 Insert for Heavy Steel Turning \u0026 Grooving (10pcs)","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; max-width: 100%; margin: 0 auto; padding: 0; box-sizing: border-box;\"\u003e\n\u003cheader style=\"background-color: #47479f; padding: 40px 20px; text-align: center; border-radius: 4px; margin-bottom: 30px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 26px; font-weight: bold; text-transform: uppercase; letter-spacing: 1px;\"\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eTaeguTec TDT 8.00E-1.20 TT7220\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0ff; margin-top: 10px; font-size: 1.1em;\"\u003eHeavy-Duty 8.0mm Multi-Directional PVD Insert for Steel \u0026amp; Iron Production\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv style=\"background: #f9f9fb; padding: 25px; border-radius: 8px; border: 1px solid #eee;\"\u003e\n\u003cp style=\"font-size: 1.1em; color: #444; font-weight: 500; margin-bottom: 15px;\"\u003e\u003cem\u003e\"Which 8mm insert provides the best heat resistance for high-speed multi-directional turning in alloy steels?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec TDT 8.00E-1.20 TT7220\u003c\/strong\u003e is an industrial-grade solution for heavy material removal. With an 8.0mm width and a robust 1.20mm corner radius, this insert is designed for high-stability \u003cstrong\u003eaxial turning\u003c\/strong\u003e and \u003cstrong\u003eradial grooving\u003c\/strong\u003e. The \u003cstrong\u003eTT7220 grade\u003c\/strong\u003e is a premium PVD-coated carbide that features excellent thermal stability and wear resistance, making it the top choice for \u003cstrong\u003eCarbon Steel (ISO P)\u003c\/strong\u003e and \u003cstrong\u003eCast Iron (ISO K)\u003c\/strong\u003e. The \u003cstrong\u003eE-type neutral geometry\u003c\/strong\u003e combined with the TT7220 coating allows for consistent chip breaking even at the high temperatures generated by high-speed CNC production lines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-top: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #47479F; border-radius: 8px; background: #fff;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 1.1em;\"\u003eTT7220 PVD Coating\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eAdvanced sub-micron substrate with multi-layer PVD coating provides extreme resistance to notch wear and plastic deformation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #47479F; border-radius: 8px; background: #fff;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 1.1em;\"\u003e8mm Heavy Profile\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eMassive 8.0mm width allows for aggressive feed rates and high-depth axial turning without compromising tool integrity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #47479F; border-radius: 8px; background: #fff;\"\u003e\n\u003cstrong style=\"color: #47479f; font-size: 1.1em;\"\u003eMulti-Directional Logic\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eOptimized for profiling, side-turning, and plunging, reducing cycle time by eliminating unnecessary tool changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"margin: 25px 0; border: 2px solid #47479F; padding: 20px; border-radius: 8px;\"\u003e\n\u003ch3 style=\"margin-top: 0; font-size: 1.2em; color: #47479f;\"\u003eModel Decoding: TDT 8.00E-1.20 TT7220\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; font-family: monospace; font-size: 1.1em; margin-top: 15px;\"\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eTDT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eT-Turn\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 60px; background: #f0f0ff;\"\u003e\n\u003cstrong\u003e8.00\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eWidth (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eE\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eNeutral\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; text-align: center; flex: 1; min-width: 60px; background: #f0f0ff;\"\u003e\n\u003cstrong\u003e1.20\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRadius (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ccc; padding: 10px; text-align: center; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eTT7220\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003ePVD Grade\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 20px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eUnit System\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eWidth (W)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCorner Radius\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eModel Reference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eMetric\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e8.00 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e1.20 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTDT 8.00E-1.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eImperial\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.315\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.047\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTDT 315E-047\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eRecommended Cutting Data (TT7220 Grade)\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 25px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMaterial\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eVc (m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003efn (mm\/rev)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eCarbon Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e160 - 240\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.15 - 0.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eGray Cast Iron\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e140 - 220\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.18 - 0.45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 20px; text-align: center; border-radius: 8px; background: #fdfdfd;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold; color: #47479f;\"\u003eSeating \u0026amp; Tooling\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px; background: #f4f4f4; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eApplications \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; line-height: 2;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Shafts:\u003c\/strong\u003e High-feed side turning on large-diameter carbon steel shafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Profiling:\u003c\/strong\u003e Generating complex contours and fillets in cast iron housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Grooving:\u003c\/strong\u003e Stable 8.0mm plunging in alloy steels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Compatibility:\u003c\/strong\u003e Fits all TaeguTec T-Turn series holders (External \u0026amp; Boring Bars) with \u003cstrong\u003eSeat Size 8\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eTaeguTec Grade Comparison Matrix\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 500px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #47479F; color: white;\"\u003e\n\u003cth style=\"padding: 12px;\"\u003eGrade\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eISO Field\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003eCoating\u003c\/th\u003e\n\u003cth style=\"padding: 12px;\"\u003ePrimary Strength\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0f0ff; font-weight: bold; border: 2px solid #47479F;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eTT7220\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eP, K\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003ePVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eHigh Speed \u0026amp; Steel Wear Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTT9080\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eP, M, K\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eToughness \u0026amp; Universal Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eK10\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eN, K\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eNone\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSharpness for Aluminum Finishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eWhy Machinists Trust TaeguTec\u003c\/h2\u003e\n\u003cp\u003eThe TDT 8.00E-1.20 TT7220 represents the pinnacle of multi-directional turning technology. By combining a wide-body profile with advanced PVD heat-shielding, TaeguTec allows you to push your CNC machines to their absolute limit while maintaining surgical accuracy.\u003c\/p\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 15px; margin-top: 25px;\"\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"TT7220 handles the heat exceptionally well. We've seen a 30% increase in tool life on our 4140 steel shafts.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— James K., USA\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Sehr stabiler Plattensitz. Die 8mm Breite ermöglicht enorme Vorschübe bei der Gussbearbeitung.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Dieter R., Germany\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Prestazioni costanti. Ottima per la tornitura laterale su pezzi di grandi dimensioni.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Antonio V., Italy\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; border: 1px solid #ddd; border-radius: 8px; background: #fff;\"\u003e\n\u003cdiv style=\"color: #f1c40f; margin-bottom: 5px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9em; font-style: italic;\"\u003e\"Reduced our cycle time significantly. The PVD coating is very durable against notch wear.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Takashi M., Japan\u003c\/strong\u003e\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: Is this insert suitable for interrupted cuts in Steel?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: While TT7220 is very wear-resistant, for heavy interrupted cuts, we recommend switching to the TT9080 grade for better impact toughness.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: What is the maximum turning depth (Ap) for an 8mm insert?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: In stable conditions, you can achieve an axial turning depth (Ap) of 1.5mm - 4.5mm in most carbon steels.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: Does this grade require high-pressure coolant?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: TT7220 performs exceptionally well with flood coolant, but high-pressure coolant will further extend tool life in high-temp steel machining.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter style=\"padding: 25px; background: #47479F; color: #ffffff; text-align: center; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold;\"\u003eMachinist Tip: To prevent plastic deformation when machining at high speeds with the TT7220 grade, ensure your cutting speed (Vc) is optimized to balance heat and wear.\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43339160748204,"sku":"TDT8.00E-1.20 TT7220","price":538.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TTaeguTec_TDT_8.00E-1.20_TT7220_8.0mm_Multi-Directional_PVD_Coated_Carbide_Insert_for_Steel_and_Cast_Iron_Machining.DT8.00E-1.20TT7220.jpg?v=1776750411","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-tdt-8-00e-1-20-tt7220-insert-heavy-steel-turning-grooving","provider":"CNCHome-Beyond","version":"1.0","type":"link"}