{"product_id":"zcc-ct-snmg190612-ybc251-turning-insert-steel","title":"ZCC.CT SNMG190612 YBC251 Carbide Turning Inserts for Steel Machining","description":"\u003cdiv style=\"font-family: Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: auto;\"\u003e\n\u003cheader style=\"background-color: #47479f; padding: 40px 20px; text-align: center;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 2.2em; text-transform: uppercase;\"\u003eZCC.CT SNMG190612 YBC251 Turning Insert\u003c\/h1\u003e\n\u003cp style=\"color: #e0e0ff; margin-top: 10px; font-size: 1.1em;\"\u003eProfessional CVD Coated Carbide for Steel Semi-Finishing\u003c\/p\u003e\n\u003c\/header\u003e\n\u003csection style=\"padding: 30px 15px;\"\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 CNC insert is best for stable semi-finishing of carbon steel and alloy steel with high efficiency?\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZCC.CT SNMG190612 YBC251\u003c\/strong\u003e is a premier industrial solution designed for the demanding requirements of steel turning (ISO P). Utilizing the \u003cstrong\u003eYBC251 grade\u003c\/strong\u003e—a multi-layer CVD coating (TiCN + Thick Al2O3)—this insert provides a perfect balance between wear resistance and impact toughness. It is specifically engineered to handle medium-speed cutting while maintaining a superior surface finish.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"background-color: #47479f; color: #ffffff; padding: 30px 15px;\"\u003e\n\u003ch2 style=\"color: #ffffff; text-align: center;\"\u003eKey Performance 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: 15px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eSuperior Wear Resistance:\u003c\/strong\u003e Thick Al2O3 coating ensures the edge remains sharp under high-heat conditions.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: rgba(255,255,255,0.1); padding: 15px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eExcellent Toughness:\u003c\/strong\u003e The balanced carbide substrate resists chipping during interrupted cuts.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: rgba(255,255,255,0.1); padding: 15px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eStable Chip Control:\u003c\/strong\u003e Designed for medium-range depth of cut (ap) and feed rates.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 15px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 5px; margin: 25px 0; justify-content: center;\"\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; min-width: 60px;\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eSquare\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; min-width: 60px;\"\u003e\n\u003cstrong\u003eN\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0° Relief\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 10px; text-align: center; 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; min-width: 60px;\"\u003e\n\u003cstrong\u003eG\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eHole\/Chip\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; text-align: center; min-width: 60px;\"\u003e\n\u003cstrong\u003e19\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e19.05mm\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; text-align: center; min-width: 60px;\"\u003e\n\u003cstrong\u003e06\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e6.35mm\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; text-align: center; min-width: 60px;\"\u003e\n\u003cstrong\u003e12\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e1.2 Radius\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f4f4fb;\"\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eStandard\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eMetric Designation\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eImperial Designation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eISO \/ ANSI\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; font-weight: bold;\"\u003eSNMG190612\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px; font-weight: bold;\"\u003eSNMG643\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eRecommended Machining Parameters\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;\"\u003eWorkpiece Material\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Speed (Vc m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eFeed Rate (fn mm\/rev)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCarbon Steel \/ Alloy Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e150 - 320\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.15 - 0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCast Iron\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e120 - 280\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.20 - 0.55\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: 25px; text-align: center;\"\u003e\n\u003cp style=\"margin-bottom: 10px; font-weight: bold;\"\u003eCompatible Tool Holders (SNMG 1906 Series):\u003c\/p\u003e\n\u003cdiv style=\"display: inline-block; border: 1px solid #47479F; padding: 10px 20px; background: #f4f4fb;\"\u003e\n\u003ca style=\"color: #47479f; text-decoration: none; font-weight: bold;\" href=\"\/collections\/external-turning-tool-holders\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/sn-insert-multi-lock-system\" 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 PSSNR \/ MSSNR 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 15px; background: #f9f9f9;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e Primarily for Carbon Steel, Alloy Steel, and Cast Iron.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess:\u003c\/strong\u003e Semi-finishing and light roughing operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Suitable for both continuous and interrupted cutting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 300px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFits all standard ISO external and internal tool holders with 1906 (643) pocket size. Compatible with high-power CNC lathes and large-scale machining centers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 15px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eZCC.CT Steel Turning Grade Matrix\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;\"\u003eType\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eApplication\u003c\/th\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 style=\"background: #f0f0ff; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; color: #47479f;\"\u003eYBC251\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;\"\u003eSemi-Finishing (Universal)\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;\"\u003eHeavy Roughing \/ Interrupted\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;\"\u003e\n\u003ch2 style=\"color: #ffffff; text-align: center;\"\u003eWhy Professionals Choose Us\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-top: 30px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: #fff; color: #333; padding: 20px; border-radius: 8px;\"\u003e\n\u003cspan style=\"color: #f1c40f; font-size: 1.2em;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Incredible tool life\"\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eReplaced our more expensive Japanese inserts with ZCC.CT YBC251 for 1045 steel. Tool life is nearly identical at 40% less cost.\u003c\/p\u003e\n\u003csmall\u003e— Robert S., USA 🇺🇸\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: #fff; color: #333; padding: 20px; border-radius: 8px;\"\u003e\n\u003cspan style=\"color: #f1c40f; font-size: 1.2em;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Beste Standzeit\"\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eSehr stabil bei semi-schlichten. Die Oberfläche ist perfekt.\u003c\/p\u003e\n\u003csmall\u003e— Hans G., Germany 🇩🇪\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; background: #fff; color: #333; padding: 20px; border-radius: 8px;\"\u003e\n\u003cspan style=\"color: #f1c40f; font-size: 1.2em;\"\u003e★★★★★\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\"Ottimo prodotto\"\u003c\/strong\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eConsegna veloce e inserti di alta qualità per tornitura di acciaio.\u003c\/p\u003e\n\u003csmall\u003e— Marco L., Italy 🇮🇹\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 15px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; margin-bottom: 25px;\"\u003eExpert Industrial 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 the YBC251 grade suitable for stainless steel?\u003c\/p\u003e\n\u003cp\u003eA: While YBC251 can machine some martensitic stainless steels, it is primarily optimized for ISO P (Steel). For austenitic stainless (like 304\/316), we recommend the ZCC.CT YBM series.\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 1.2mm radius (SNMG190612)?\u003c\/p\u003e\n\u003cp\u003eA: The 1.2mm radius provides increased edge strength and allows for higher feed rates compared to 0.4mm or 0.8mm, while still delivering an excellent semi-finish surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px 0;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f;\"\u003eQ: Can this be used for dry machining?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The thick CVD Al2O3 layer provides excellent heat insulation, making it highly effective for dry turning operations at moderate speeds.\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: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px;\"\u003e\n\u003ch4 style=\"color: #fff;\"\u003eTroubleshooting\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003ePlastic Deformation:\u003c\/strong\u003e Reduce cutting speed (Vc).\u003cbr\u003e\u003cstrong\u003eEdge Chipping:\u003c\/strong\u003e Switch to YBC351 grade or check clamping stability.\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: SNMG 19 06 12-PM\u003cbr\u003eMitsubishi: SNMG190612-MA\u003cbr\u003eKennametal: SNMG643MP\u003c\/p\u003e\n\u003c\/div\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":43488020922540,"sku":"SNMG190612 YBC251","price":134.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/ZCC.CT_SNMG190612_YBC251_square_carbide_turning_insert_for_CNC_steel_machining..jpg?v=1778539677","url":"https:\/\/cnchome-beyond.com\/products\/zcc-ct-snmg190612-ybc251-turning-insert-steel","provider":"CNCHome-Beyond","version":"1.0","type":"link"}