{"product_id":"zcc-ct-ccmt120404-hm-ybm251-carbide-insert-stainless-steel","title":"ZCC.CT CCMT120404-HM YBM251 Carbide Turning Inserts for Stainless Steel","description":"\u003cdiv style=\"font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 10px;\"\u003e\n\u003cheader style=\"background-color: #47479f; padding: 30px 15px; text-align: center; border-radius: 4px; margin-bottom: 20px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 26px; font-weight: bold;\"\u003eZCC.CT CCMT120404-HM YBM251: Precision Turning Inserts for Stainless Steel\u003c\/h1\u003e\n\u003c\/header\u003e\n\u003csection style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px; border-left: 6px solid #47479F; padding-left: 15px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-style: italic; color: #555; background: #f4f4f9; padding: 20px; border-radius: 8px; margin-top: 15px;\"\u003e\"Which insert is most reliable for semi-finishing 304 and 316 stainless steel with precise chip breaking and high surface quality?\"\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eZCC.CT CCMT120404-HM YBM251\u003c\/strong\u003e is a high-performance turning insert specifically engineered for the M-group (Stainless Steel) and S-group (Heat-resistant alloys). The \u003cstrong\u003eYBM251 grade\u003c\/strong\u003e utilizes an advanced \u003cstrong\u003ePVD coating\u003c\/strong\u003e combined with a fine-grained carbide substrate, offering exceptional resistance to thermal shock and notch wear. Integrated with the \u003cstrong\u003eHM (Medium) chipbreaker\u003c\/strong\u003e, it provides superior chip control and reduced cutting forces, making it ideal for precision semi-finishing where process stability is paramount.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; list-style-type: disc;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced YBM251 PVD Grade:\u003c\/strong\u003e High coating toughness and adhesion prevent built-up edge (BUE) in gummy materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHM Versatile Geometry:\u003c\/strong\u003e Optimized for medium cutting depths, balancing edge sharpness with impact resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.4mm Precision Radius:\u003c\/strong\u003e Perfect for semi-finishing applications requiring low radial cutting forces and high dimensional accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Heat Resistance:\u003c\/strong\u003e Maintains edge integrity during the high thermal loads typical of stainless steel turning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 20px; margin-bottom: 20px; border-radius: 8px; background-color: #fff;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f; margin-top: 0; text-align: center;\"\u003eISO Model Breakdown (CCMT 120404-HM)\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; font-family: monospace; font-size: 13px;\"\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 8px; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e80° Diamond\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 8px; min-width: 80px; text-align: center;\"\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 #ddd; padding: 8px; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTolerance\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 8px; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eHole\/Chipbreak\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 8px; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003e12\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e12.9mm Edge\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 8px; min-width: 80px; text-align: center;\"\u003e\n\u003cstrong\u003e04\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e4.76mm Thick\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 8px; min-width: 80px; text-align: center; background: #47479F; color: #fff;\"\u003e\n\u003cstrong\u003e04\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e0.4mm Radius\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; padding: 8px; min-width: 80px; text-align: center; font-weight: bold;\"\u003e\n\u003cstrong\u003eHM\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eMedium Cut\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eMetric Model\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eANSI\/Imperial Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCCMT120404-HM\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCCMT 431-HM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"font-size: 18px; color: #333;\"\u003eRecommended Cutting Data\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: center;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f4f4f4;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eWorkpiece Material\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeed rate (fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStainless Steel (M)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e150 - 240 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.08 - 0.30 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSuperalloys (S)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e30 - 80 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.05 - 0.20 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eTool Compatibility\u003c\/h2\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; padding: 20px; text-align: center; border-radius: 8px; background-color: #f9f9ff;\"\u003e\n\u003cp style=\"margin-top: 0;\"\u003e\u003cstrong\u003eOptimized for External and Internal Tooling:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerfectly matches standard \u003cstrong\u003eS-Type\u003c\/strong\u003e screw-down tool holders.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 10px; flex-wrap: wrap;\"\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cc-insert\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"border: 1px solid #47479F; padding: 5px 12px; border-radius: 4px; font-weight: bold; color: #47479f;\"\u003eSCLCR\/L 2020K12\u003c\/span\u003e \u003c\/a\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cc-insert-internal\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"border: 1px solid #47479F; padding: 5px 12px; border-radius: 4px; font-weight: bold; color: #47479f;\"\u003eS25S-SCLCR12\u003c\/span\u003e\u003c\/a\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/cc-insert-internal\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"border: 1px solid #47479F; padding: 5px 12px; border-radius: 4px; font-weight: bold; color: #47479f;\"\u003eS12M-SCLCR12\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eThis insert is the industrial choice for \u003cstrong\u003eSemi-Finishing\u003c\/strong\u003e of stainless steel parts in:\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px;\"\u003e\n\u003cspan style=\"background: #eef; border: 1px solid #47479F; color: #47479f; padding: 5px 15px; border-radius: 20px; font-size: 14px;\"\u003eValve Components\u003c\/span\u003e \u003cspan style=\"background: #eef; border: 1px solid #47479F; color: #47479f; padding: 5px 15px; border-radius: 20px; font-size: 14px;\"\u003eHydraulic Fittings\u003c\/span\u003e \u003cspan style=\"background: #eef; border: 1px solid #47479F; color: #47479f; padding: 5px 15px; border-radius: 20px; font-size: 14px;\"\u003eAerospace Fasteners\u003c\/span\u003e \u003cspan style=\"background: #eef; border: 1px solid #47479F; color: #47479f; padding: 5px 15px; border-radius: 20px; font-size: 14px;\"\u003eMedical Grade Parts\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eZCC.CT Grade Guide (Stainless Machining)\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-color: #f4f4f4;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGrade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCutting Condition\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd;\"\u003ePrimary Feature\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eYBM151\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eStable \/ High Speed\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eMaximum Wear Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eYBM251\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eGeneral Purpose \/ Universal\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eBalanced Toughness \u0026amp; Hardness\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=\"margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"color: #47479f;\"\u003eWhy Professionals Choose Us?\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; margin-top: 15px;\"\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Best for 316 Stainless\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px;\"\u003e\"Switched from a major European brand to YBM251. The tool life is just as good, but at a much better value for our shop.\"\u003c\/p\u003e\n\u003cp style=\"font-size: 11px; color: #888;\"\u003e— \u003cem\u003eJames W., USA\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Superior Finish\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px;\"\u003e\"The 0.4 radius combined with the HM chipbreaker gives a mirror finish on our medical components. Very stable.\"\u003c\/p\u003e\n\u003cp style=\"font-size: 11px; color: #888;\"\u003e— \u003cem\u003eLukas B., Germany\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 5px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Reliable and Productive\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px;\"\u003e\"Chips break predictably even in deep holes. Durable PVD coating handles high temperatures well.\"\u003c\/p\u003e\n\u003cp style=\"font-size: 11px; color: #888;\"\u003e— \u003cem\u003eSatoshi N., Japan\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 20px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #ffd700; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Consistent Quality\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px;\"\u003e\"Process stability is key for us. The CCMT 120404-HM provides predictable tool wear every time.\"\u003c\/p\u003e\n\u003cp style=\"font-size: 11px; color: #888;\"\u003e— \u003cem\u003eGianni M., Italy\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin-bottom: 30px; background-color: #47479f; padding: 25px; border-radius: 8px; color: #ffffff;\"\u003e\n\u003ch2 style=\"color: #ffffff; margin-top: 0;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Can YBM251 be used for steel turning?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #eee;\"\u003eA: While optimized for Stainless Steel (M), it can perform well in Steel (P) applications. For dedicated steel machining, the YBC series is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px;\"\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: Is flood coolant required for these inserts?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #eee;\"\u003eA: High-pressure flood coolant is strongly recommended for stainless steel to control heat and ensure efficient chip evacuation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp style=\"font-weight: bold; margin-bottom: 5px;\"\u003eQ: What tool holder should I use with CCMT 120404?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #eee;\"\u003eA: It is compatible with any holder designated for CCMT 1204 inserts, such as SCLCR or SCLCL series tool holders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cfooter style=\"text-align: center; border-top: 1px solid #ddd; padding-top: 20px;\"\u003e\n\u003cp style=\"font-size: 13px; color: #777;\"\u003e\u003cstrong\u003eMachining Pro-Tip:\u003c\/strong\u003e To achieve the best surface finish with the \u003cstrong\u003e0.4mm radius\u003c\/strong\u003e, maintain a feed rate (fn) roughly 1\/3 of the radius for optimal chip control.\u003c\/p\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"ZCC.CT","offers":[{"title":"Default Title","offer_id":43490490581164,"sku":"CCMT120404-HM YBM251","price":83.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/ZCC.CT_CCMT120404-HM_YBM251_PVD_Coated_Carbide_Insert_for_Stainless_Steel_Machining.jpg?v=1777361679","url":"https:\/\/cnchome-beyond.com\/products\/zcc-ct-ccmt120404-hm-ybm251-carbide-insert-stainless-steel","provider":"CNCHome-Beyond","version":"1.0","type":"link"}