{"product_id":"zcc-ct-tcmt110204-52-ybc251-carbide-turning-insert-steel","title":"ZCC.CT TCMT110204-52 YBC251 Carbide Turning Inserts for Steel Finishing","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: auto; background-color: #ffffff;\"\u003e\n\u003cheader style=\"background-color: #47479f; padding: 40px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 2em; font-weight: bold; text-transform: uppercase;\"\u003eZCC.CT TCMT110204-52 YBC251 Turning Insert\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0ff; margin-top: 10px;\"\u003eIndustrial-Grade CVD Coated Carbide for Precision Steel Machining\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"padding: 30px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f4f4fb; padding: 20px; border-radius: 8px; border-left: 5px solid #47479F; margin: 20px 0;\"\u003e\n\u003cp style=\"font-style: italic; color: #47479f; font-size: 1.1em; margin: 0;\"\u003e\"Which carbide insert grade is best for finishing steel with high wear resistance and excellent surface quality?\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZCC.CT TCMT110204-52 YBC251\u003c\/strong\u003e is a high-performance triangular turning insert engineered for \u003cstrong\u003eISO P (Steel)\u003c\/strong\u003e applications. Combining a thick Al2O3 CVD coating with a high-strength substrate, the \u003cstrong\u003eYBC251 grade\u003c\/strong\u003e offers an optimal balance of toughness and wear resistance. The \u003cstrong\u003e-52 chipbreaker\u003c\/strong\u003e is specifically designed for finishing, featuring a sharp cutting edge and specialized geometry to ensure smooth chip evacuation and a mirror-like finish on carbon and alloy steels.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"background-color: #47479f; color: #ffffff; padding: 40px 20px;\"\u003e\n\u003ch2 style=\"color: #ffffff; text-align: center; margin-bottom: 30px;\"\u003eKey Technical Advantages\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; justify-content: center;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px;\"\u003e\n\u003cstrong\u003eSuperior Coating:\u003c\/strong\u003e Multi-layer CVD TiCN + Al2O3 coating provides excellent thermal stability.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px;\"\u003e\n\u003cstrong\u003ePrecision Finishing:\u003c\/strong\u003e The -52 geometry reduces cutting forces and eliminates work hardening.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px;\"\u003e\n\u003cstrong\u003eExtended Tool Life:\u003c\/strong\u003e High-toughness substrate prevents micro-chipping in semi-stable conditions.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ch3 style=\"font-size: 1.1em;\"\u003eISO Model Decoding\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; justify-content: center;\"\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTriangular\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e7° Relief\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTolerance\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eHole\/Slot\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003e11\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e11mm Edge\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003e02\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e2.38mm Thk\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; text-align: center; border-radius: 4px; flex: 1; min-width: 60px;\"\u003e\n\u003cstrong\u003e04\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0.4mm Rad\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 30px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f4f4fb;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eMetric (ISO)\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eImperial (ANSI)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eModel Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eTCMT110204\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eTCMT21.51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eInscribed Circle\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e6.35 mm\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e0.250 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eCutting Parameters Recommendations\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: center;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #47479F; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSteel Grade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSpeed (Vc m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFeed (f mm\/rev)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eLow Carbon Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e220 - 380\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eAlloy Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e150 - 300\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.08 - 0.15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; padding: 20px; margin-top: 30px; text-align: center; border-radius: 8px;\"\u003e\n\u003cp style=\"margin-bottom: 10px; font-weight: bold;\"\u003eCompatible Tool Holders (Boring Bars):\u003c\/p\u003e\n\u003cdiv style=\"display: inline-block; border: 1px solid #47479F; padding: 10px 20px; background: #f4f4fb; border-radius: 4px;\"\u003e\n\u003ca style=\"color: #47479f; text-decoration: none; font-weight: bold;\" href=\"#\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/tc-insert-external\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #47479f;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003eBrowse STGCR \/ STGCL Holders \u0026gt;\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 20px; background-color: #f9f9f9;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Boring:\u003c\/strong\u003e Ideal for precision boring in steel parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Turning:\u003c\/strong\u003e High-efficiency finishing for shafts and valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinishing Stage:\u003c\/strong\u003e Best for depth of cuts between 0.2mm to 1.5mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eEquipment Compatibility\u003c\/h3\u003e\n\u003cp\u003eOptimized for CNC lathes and high-stability boring operations. Fits all standard ISO STGCR\/L tool holders with 1102 (21.5) pocket dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eZCC.CT Steel Grade Comparison\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #eee;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCoating\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eApplication\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f0f0ff; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; color: #47479f;\"\u003eYBC251 (Current)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eVersatile \/ Finishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYBC151\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eHigh-Speed Finishing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYBC351\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCVD\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRoughing \/ Interruption\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=\"background-color: #47479f; color: #ffffff; padding: 40px 20px; border-radius: 8px;\"\u003e\n\u003ch2 style=\"color: #ffffff; text-align: center; margin-bottom: 30px;\"\u003eGlobal Machinist Reviews\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; justify-content: center;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; color: #333; padding: 20px; border-radius: 8px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Excellent Surface Finish\"\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eUsing YBC251 on 4140 steel. The -52 chipbreaker really handles stringy chips well. Surface is mirror-like.\u003c\/p\u003e\n\u003csmall\u003e— Mark R., USA 🇺🇸\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; color: #333; padding: 20px; border-radius: 8px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Top-Qualität\"\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eSehr gute Standzeit bei der Bearbeitung von Baustahl. ZCC.CT ist immer zuverlässig.\u003c\/p\u003e\n\u003csmall\u003e— Hans W., Germany 🇩🇪\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; color: #333; padding: 20px; border-radius: 8px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Ottimo Prezzo\"\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eRapporto qualità-prezzo imbattibile. Spedizione veloce.\u003c\/p\u003e\n\u003csmall\u003e— Luca M., Italy 🇮🇹\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eProduct FAQ\u003c\/h2\u003e\n\u003cdiv style=\"max-width: 800px; margin: auto;\"\u003e\n\u003cdiv style=\"border-bottom: 1px solid #ddd; padding: 15px 0;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f;\"\u003eQ: Is YBC251 suitable for stainless steel?\u003c\/p\u003e\n\u003cp\u003eA: While it can handle some ferritic stainless, we recommend the \u003cstrong\u003eYBM\u003c\/strong\u003e series for austenitic stainless (304\/316) for optimal tool life.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-bottom: 1px solid #ddd; padding: 15px 0;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f;\"\u003eQ: What is the benefit of the -52 chipbreaker?\u003c\/p\u003e\n\u003cp\u003eA: It is designed with a sharp edge and a wide chip pocket, making it ideal for low-feed finishing where chip control is usually difficult.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter style=\"background-color: #333; color: #ccc; padding: 30px 20px; font-size: 0.9em;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px;\"\u003e\n\u003ch4 style=\"color: #fff;\"\u003eWorkpiece Material Matrix\u003c\/h4\u003e\n\u003cp\u003eSteel (P): ● Excellent | Stainless (M): ○ Possible | Cast Iron (K): △ Limited\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px;\"\u003e\n\u003ch4 style=\"color: #fff;\"\u003eEquivalent Models\u003c\/h4\u003e\n\u003cp\u003eSandvik: TCMT110204-PF | Sumitomo: TCMT110204N-LU | Mitsubishi: TCMT110204-FP\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 20px; border-top: 1px solid #555; padding-top: 10px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e If vibration occurs, check tool holder rigidity and decrease Vc. If chip sticking occurs, increase coolant pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ZCC·CT","offers":[{"title":"Default Title","offer_id":43487700025516,"sku":"TCMT110204-52 YBC251","price":58.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/ZCC.CT_TCMT110204-52_YBC251_triangular_carbide_turning_insert_for_CNC_steel_machining..jpg?v=1778541534","url":"https:\/\/cnchome-beyond.com\/products\/zcc-ct-tcmt110204-52-ybc251-carbide-turning-insert-steel","provider":"CNCHome-Beyond","version":"1.0","type":"link"}