{"product_id":"taegutec-tdt-4e-04-tt7220-carbide-insert-steel-turning-grooving","title":"Taegutec TDT 4E-0.4 TT7220 Carbide Insert for 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 4E-0.4 TT7220\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0ff; margin-top: 10px; font-size: 1.1em;\"\u003eHigh-Speed 4.0mm Multi-Directional Insert for Maximum Productivity in Steel \u0026amp; Iron\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 4mm insert offers the best wear resistance for high-speed profiling and side-turning in alloy steels?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eTaeguTec TDT 4E-0.4 TT7220\u003c\/strong\u003e is engineered for high-efficiency \u003cstrong\u003emulti-directional turning and grooving\u003c\/strong\u003e. While the TT9080 grade focuses on toughness for interrupted cuts, the \u003cstrong\u003eTT7220 grade\u003c\/strong\u003e is optimized for \u003cstrong\u003eabrasive wear resistance\u003c\/strong\u003e and thermal stability. This makes it the superior choice for high-speed finishing and medium machining of \u003cstrong\u003eCarbon Steels (ISO P)\u003c\/strong\u003e and \u003cstrong\u003eGray Cast Iron (ISO K)\u003c\/strong\u003e. The \u003cstrong\u003e4E neutral chipbreaker\u003c\/strong\u003e geometry is designed to compress and break chips effectively during both radial plunging and longitudinal turning, ensuring that your CNC turret stays clear of \"bird-nesting\" during long production runs.\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;\"\u003eCore Advantages\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;\"\u003eHigh-Velocity Performance\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eThe TT7220 PVD coating allows for significantly higher cutting speeds (Vc) compared to universal grades, reducing cycle times by up to 25%.\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;\"\u003eSuperior Surface Finish\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eThe 0.4mm corner radius and stable T-Turn seating provide a high-quality surface finish (Ra), often eliminating the need for secondary grinding.\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;\"\u003eBi-Directional Efficiency\u003c\/strong\u003e\n\u003cp style=\"margin-top: 8px;\"\u003eSwitch from radial grooving to axial turning seamlessly. Perfect for complex profiling on CNC lathes and Swiss machines.\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 4E-0.4 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\u003e4\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e4.0mm\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\u003e0.4\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRadius\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\u003eHigh-Speed\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\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eInsert Width\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;\"\u003e4.00 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.40 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTDT 4E-0.4\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;\"\u003e0.157\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.016\"\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTDT 157E-016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eRecommended Cutting Parameters (TT7220)\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;\"\u003eOperation\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSpeed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeed (fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eLongitudinal Turning\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e120 - 220 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.12 - 0.28 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eRadial Grooving\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e100 - 180 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.08 - 0.20 mm\/rev\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;\"\u003eSystem Compatibility\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\u003eHigh-Speed Finishing:\u003c\/strong\u003e Best for finishing operations on Steel and Iron where Ra requirements are strict.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfiling \u0026amp; Undercutting:\u003c\/strong\u003e The neutral geometry allows for complex paths and relief grooving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbrasive Materials:\u003c\/strong\u003e Excels in machining Gray Cast Iron (ISO K) and medium-carbon Steels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware Support:\u003c\/strong\u003e Compatible with all T-Turn series holders and boring bars with \u003cstrong\u003eSeat Size 4\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 Benchmarking\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;\"\u003eKey Performance Factor\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;\"\u003eHigh-Speed Machining \u0026amp; 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;\"\u003eGeneral Purpose \u0026amp; Interrupted Cutting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eTT5100\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eK\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eExtreme CVD Resistance for Cast Iron Only\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;\"\u003eReliability Meets Productivity\u003c\/h2\u003e\n\u003cp\u003eTaeguTec's T-Turn system is the industry benchmark for multi-directional grooving. The TDT 4E-0.4 TT7220 provides the thermal stability needed for high-speed CNC environments.\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\"Switched from the universal grade to TT7220 for a high-volume steel project. Tool life increased by 40%.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— David 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\"Hervorragende Oberflächengüte beim Längsdrehen. Keine Gratbildung mehr.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Stefan W., 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\"Ottimo per la finitura di ghisa. Stabilità termica eccezionale ad alte velocità.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Andrea B., 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\"Very consistent performance in profiling. The chips break perfectly even at higher feeds.\"\u003c\/p\u003e\n\u003csmall\u003e\u003cstrong\u003e— Kenji O., 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: Can I use this grade for interrupted cuts?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: While TT7220 can handle light interruptions, for heavy shocks or unstable setups, the TT9080 grade is recommended due to its higher substrate 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: Is the 4.0mm width better for turning than 3.0mm?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: Generally, yes. The 4.0mm width provides more lateral stability and mass, allowing for slightly higher feed rates during side-turning operations.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 10px; padding: 15px; background: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cstrong\u003eQ: Do I need coolant with this grade?\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eA: While TT7220 is thermally stable, using high-pressure coolant will significantly enhance chip evacuation and prevent notch wear during high-speed profiling.\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 maximize the bi-directional benefits of the TDT series, ensure your CNC program uses a slight dwell or feed reduction when transitioning from a plunge to a side-turn to protect the insert corner.\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"taegutec","offers":[{"title":"Default Title","offer_id":43338773561516,"sku":"TDT 4E-0.4 TT7220","price":335.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/TaeguTec_TDT_4E-0.4_TT7220_4.0mm_Multi-Directional_Turning_and_Grooving_Insert_for_high-speed_CNC_machining..jpg?v=1776741406","url":"https:\/\/cnchome-beyond.com\/products\/taegutec-tdt-4e-04-tt7220-carbide-insert-steel-turning-grooving","provider":"CNCHome-Beyond","version":"1.0","type":"link"}