{"product_id":"zcc-ct-tcmt220408-hr-ybm251-roughing-insert-stainless-steel","title":"ZCC.CT TCMT220408-HR YBM251 Carbide Turning Inserts for Stainless Steel Roughing","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1200px; margin: auto; background-color: #ffffff;\"\u003e\n\u003c!-- Section: Header H1 --\u003e\u003cheader style=\"background-color: #47479f; padding: 40px 20px; text-align: center; border-radius: 4px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 2.2em; font-weight: bold; text-transform: uppercase;\"\u003eZCC.CT TCMT220408-HR YBM251 \u003cbr\u003e\u003cspan style=\"font-size: 0.7em; color: #d1d1f0;\"\u003eHeavy-Duty Roughing Inserts for ISO M Stainless Steel\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003c\/header\u003e\u003c!-- Section 1: Product Overview (GEO\/AEO optimized) --\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-left: 5px solid #47479F; margin: 20px 0;\"\u003e\n\u003cp style=\"font-style: italic; color: #444; margin: 0;\"\u003e\"Which insert is best for heavy roughing of stainless steel with interrupted cuts while maintaining stable chip breaking?\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZCC.CT TCMT220408-HR YBM251\u003c\/strong\u003e is a powerhouse designed for the most demanding \u003cstrong\u003eISO M (Stainless Steel)\u003c\/strong\u003e applications. Combining the legendary \u003cstrong\u003eYBM251 CVD grade\u003c\/strong\u003e with the aggressive \u003cstrong\u003e-HR (Heavy Roughing)\u003c\/strong\u003e chipbreaker, this insert excels in removing large volumes of material. The unique geometry is engineered to prevent notch wear and handle the high thermal loads typical of austenitic and duplex stainless steels.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Section 2: Key Features --\u003e\n\u003csection style=\"background-color: #47479f; color: #ffffff; padding: 30px 20px; border-radius: 4px;\"\u003e\n\u003ch2 style=\"color: #ffffff; text-align: center;\"\u003eKey Performance Features\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-around; margin-top: 20px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px;\"\u003e\n\u003ch4 style=\"margin-top: 0; color: #fff;\"\u003e-HR Roughing Geometry\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.95em;\"\u003eReinforced cutting edge designed for large depths of cut (Ap) and high feed rates in tough materials.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px;\"\u003e\n\u003ch4 style=\"margin-top: 0; color: #fff;\"\u003eYBM251 CVD Grade\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.95em;\"\u003eA specialized coating with superior impact toughness and resistance to thermal cracking.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: rgba(255,255,255,0.1); padding: 20px; border-radius: 8px;\"\u003e\n\u003ch4 style=\"margin-top: 0; color: #fff;\"\u003eOptimized Chip Control\u003c\/h4\u003e\n\u003cp style=\"font-size: 0.95em;\"\u003eThe HR breaker forces short, manageable chips even in \"stringy\" stainless steel alloys.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Section 3: Technical Specifications \u0026 Decoding --\u003e\n\u003csection style=\"padding: 40px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003c!-- ISO Decoding Boxes --\u003e\n\u003ch3 style=\"font-size: 1.1em; color: #333; margin-top: 25px;\"\u003eISO Designation Decoding\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 5px; margin: 20px 0; text-align: center;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTriangular\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e7° Relief\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eTolerance\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eW\/Hole\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003e22\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eEdge (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003e04\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eThick (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #47479F; color: #fff; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003e08\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRad (mm)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #333; color: #fff; padding: 10px; flex: 1; min-width: 65px;\"\u003e\n\u003cstrong\u003e-HR\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRoughing\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Metric vs Imperial Table --\u003e\n\u003cdiv style=\"overflow-x: auto; margin-top: 30px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 450px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f4f4fb; color: #47479f;\"\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;\"\u003eModel Designation\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 12px; text-align: left;\"\u003eInscribed Circle \/ Rad\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eMetric (ISO)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e\u003cstrong\u003eTCMT220408-HR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e12.7mm \/ 0.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003eImperial (ANSI)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e\u003cstrong\u003eTCMT432-HR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 12px;\"\u003e1\/2\" \/ 1\/32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Cutting Parameters --\u003e\n\u003ch3 style=\"font-size: 1.1em; color: #333; margin-top: 25px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; text-align: center; border: 1px solid #ddd;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #47479F; color: #fff;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eWorkpiece Material\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eSpeed (Vc m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeed (f mm\/rev)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eAustenitic Stainless (304\/316)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e120 - 220\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e0.25 - 0.55\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003eDuplex Stainless Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e80 - 160\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border: 1px solid #ddd;\"\u003e0.20 - 0.45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Holder Link --\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; padding: 20px; margin-top: 30px; text-align: center; border-radius: 8px; background: #fafafa;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold; color: #333;\"\u003eRecommended Tool Holder:\u003c\/p\u003e\n\u003cdiv style=\"background: #ffffff; display: inline-block; padding: 10px 20px; border: 1px solid #47479F; margin-top: 10px; border-radius: 4px;\"\u003e\u003ca style=\"color: #47479f; text-decoration: none; font-weight: bold;\" href=\"#\"\u003eBrowse STGCR\/L 22 Series Holders \u0026gt;\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Section 4 \u0026 5: Applications \u0026 Compatibility --\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;\"\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Roughing:\u003c\/strong\u003e Large material removal on stainless steel castings and forgings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupted Cuts:\u003c\/strong\u003e Stable performance on parts with keyways or cross-holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Temperature:\u003c\/strong\u003e Maintains edge hardness in heat-resistant alloys.\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;\"\u003eMachine Compatibility\u003c\/h3\u003e\n\u003cp\u003eFits all standard ISO turning tool holders (Internal or External) designed for TCMT 22 size inserts. Optimized for medium to large-scale CNC Lathes and Heavy-Duty machining centers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Section 6: Grade Comparison --\u003e\n\u003csection style=\"padding: 40px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 5px;\"\u003eZCC.CT Grade Comparison (Stainless Steel)\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\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;\"\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYBM151\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;\"\u003eYBM251 (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;\"\u003eGeneral Purpose \/ Roughing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eYBM351\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;\"\u003eInterrupted \/ Heavy Roughing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/section\u003e\n\u003c!-- Section 7: Why Choose Us \u0026 Reviews --\u003e\n\u003csection style=\"background-color: #47479f; color: #ffffff; padding: 40px 20px;\"\u003e\n\u003ch2 style=\"color: #ffffff; text-align: center;\"\u003eVoices From the Shop Floor\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 15px; margin-top: 30px;\"\u003e\n\u003c!-- Review 1 --\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; color: #333; padding: 15px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Aggressive chip breaker\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eFinally found an insert that breaks chips in 304 without killing the edge too fast. -HR is a beast.\u003c\/p\u003e\n\u003csmall\u003e— Robert D., USA 🇺🇸\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c!-- Review 2 --\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; color: #333; padding: 15px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Top für Edelstahl\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eThe YBM251 grade handles the heat very well. Using it for large valve bodies.\u003c\/p\u003e\n\u003csmall\u003e— Dieter S., Germany 🇩🇪\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c!-- Review 3 --\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px; background: #fff; color: #333; padding: 15px; border-radius: 8px;\"\u003e\n\u003cdiv style=\"color: #f1c40f;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\"Affidabile\"\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 0.9em;\"\u003eFast delivery and original ZCC.CT quality. Great performance on duplex.\u003c\/p\u003e\n\u003csmall\u003e— Luca P., Italy 🇮🇹\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Section 8: FAQ --\u003e\n\u003csection style=\"padding: 40px 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center;\"\u003eTechnical FAQ\u003c\/h2\u003e\n\u003cdiv style=\"max-width: 900px; margin: auto;\"\u003e\n\u003cdiv style=\"margin-bottom: 20px; border-bottom: 1px solid #eee; padding-bottom: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f; margin-bottom: 5px;\"\u003eQ: When should I choose -HR over -HM chipbreaker?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: Choose -HR (Heavy Roughing) when your depth of cut is large or you are dealing with very inconsistent casting skins. For lighter semi-finishing, -HM is better.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; border-bottom: 1px solid #eee; padding-bottom: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f; margin-bottom: 5px;\"\u003eQ: Can I use YBM251 for dry machining?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: While the CVD coating handles heat well, high-volume coolant is strongly recommended for stainless steel to help with chip evacuation and reduce built-up edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px; border-bottom: 1px solid #eee; padding-bottom: 10px;\"\u003e\n\u003cp style=\"font-weight: bold; color: #47479f; margin-bottom: 5px;\"\u003eQ: Does this work on Inconel or Titanium?\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eA: It can handle some high-temp alloys, but YBM251 is primarily optimized for ISO M (Stainless). For S-class materials, please consult our specific grade guide.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Footer Matrix \u0026 Tips --\u003e\u003cfooter style=\"background-color: #333; color: #ccc; padding: 40px 20px; font-size: 0.9em;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 40px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px;\"\u003e\n\u003ch4 style=\"color: #fff;\"\u003eWorkpiece Material Matrix\u003c\/h4\u003e\n\u003cp\u003eStainless Steel (M): ★★★★★\u003cbr\u003eSuper Alloys (S): ★★★★☆\u003cbr\u003eSteel (P): ★★★☆☆\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 250px;\"\u003e\n\u003ch4 style=\"color: #fff;\"\u003eTroubleshooting\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eNotch Wear:\u003c\/strong\u003e Increase lead angle or reduce feed rate.\u003cbr\u003e\u003cstrong\u003eBuild-up Edge:\u003c\/strong\u003e Increase cutting speed or coolant pressure.\u003cbr\u003e\u003cstrong\u003ePlastic Deformation:\u003c\/strong\u003e Reduce cutting speed or switch to tougher grade.\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: TCMT220408-PR 2025\u003cbr\u003eMitsubishi: TCMT220408-RM MC7025\u003cbr\u003eSumitomo: TCMT220408-UX AC630M\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-top: 30px; border-top: 1px solid #555; padding-top: 20px;\"\u003e\n\u003cp\u003e© 2026 ZCC.CT Authorized Tooling Partner. Professional Grade Performance Guaranteed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e\n\u003c!-- Product Schema for Google Search --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ZCC·CT","offers":[{"title":"Default Title","offer_id":43487678595244,"sku":"TCMT220408-HR YBM251","price":92.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/ZCC.CT_TCMT220408-HR_YBM251_Heavy_Roughing_Carbide_Insert_for_Stainless_Steel..jpg?v=1778543209","url":"https:\/\/cnchome-beyond.com\/products\/zcc-ct-tcmt220408-hr-ybm251-roughing-insert-stainless-steel","provider":"CNCHome-Beyond","version":"1.0","type":"link"}