{"product_id":"srgcr2020k12-external-turning-tool-holder-rcmt-beyond","title":"SRGCR2020K12 External Turning Tool Holder for RCMT Inserts – BEYOND","description":"\u003cdiv style=\"font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333; line-height: 1.6; max-width: 1000px; margin: auto; background-color: #fff;\"\u003e\n\u003cdiv style=\"background-color: #47479f; padding: 35px 20px; text-align: center; border-radius: 4px;\"\u003e\n\u003ch1 style=\"color: #ffffff; margin: 0; font-size: 26px; text-transform: uppercase; letter-spacing: 1px;\"\u003eSRGCR2020K12 External Turning Toolholder\u003c\/h1\u003e\n\u003cp style=\"color: #d1d1f0; margin: 10px 0 0 0; font-size: 16px;\"\u003eProfessional 20x20mm Right-Hand Shank for RCMT1204 Round Inserts\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection style=\"padding: 25px 15px;\"\u003e\n\u003ch2 style=\"color: #47479f; border-left: 6px solid #47479F; padding-left: 15px; font-size: 22px;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\"Which toolholder provides the best stability for high-feed profiling and radius turning on a 20mm CNC turret?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBeyond SRGCR2020K12\u003c\/strong\u003e is a precision-engineered external turning toolholder designed for high-performance profiling using \u003cstrong\u003eRCMT1204\u003c\/strong\u003e round inserts. The \"Round\" geometry offers the strongest cutting edge in the industry, effectively distributing heat and cutting forces over a larger surface area compared to diamond inserts. This makes the SRGCR2020K12 ideal for heavy-duty roughing and intricate contouring in steel, stainless steel, and high-temp alloys where edge chipping must be eliminated.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 20px 15px; background-color: #f4f4f9; border-radius: 8px; margin: 0 15px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul style=\"list-style-type: none; padding: 0;\"\u003e\n\u003cli style=\"margin-bottom: 12px; padding-left: 30px; position: relative;\"\u003e\n\u003cspan style=\"color: #47479f; position: absolute; left: 0; font-weight: bold;\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eSuperior Edge Strength:\u003c\/strong\u003e Round RCMT geometry resists notched wear and prevents breakage during interrupted cuts.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px; padding-left: 30px; position: relative;\"\u003e\n\u003cspan style=\"color: #47479f; position: absolute; left: 0; font-weight: bold;\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eVibration Damping Body:\u003c\/strong\u003e Forged from high-tensile alloy steel to ensure smooth finishes even at higher feed rates.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px; padding-left: 30px; position: relative;\"\u003e\n\u003cspan style=\"color: #47479f; position: absolute; left: 0; font-weight: bold;\"\u003e✔\u003c\/span\u003e \u003cstrong\u003eMulti-Directional Profiling:\u003c\/strong\u003e No fixed lead angle allows for flexible profiling of complex radii and contours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 15px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 22px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; text-align: center;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eScrew Clamp\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRound Shape\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eG\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e90° Approach\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\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: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRight Hand\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003e2020\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e20x20mm\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eK\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003e125mm Len\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; flex: 1; min-width: 80px; border-radius: 4px;\"\u003e\n\u003cstrong\u003e12\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRCMT12\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: 25px; border: 1px solid #ddd;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eISO Parameter\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eMetric (mm)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd; text-align: left;\"\u003eImperial (inch)\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;\"\u003eShank Size (H x W)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e20 x 20 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.787\" x 0.787\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eTotal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e125 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e4.921\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd; font-weight: bold;\"\u003eCompatible Insert\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRCMT 1204**\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRound 1\/2\"\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 Cutting Parameters\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8f9fa;\"\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)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeed (f)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eCarbon Steel (P)\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;\"\u003e0.15 - 0.50 mm\/r\u003c\/td\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;\"\u003e110 - 180 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.10 - 0.40 mm\/r\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"margin-top: 25px; border: 2px dashed #47479F; padding: 20px; text-align: center; border-radius: 8px; background-color: #f0f4ff;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-weight: bold; color: #47479f;\"\u003eRequired Insert: RCMT 1204** \/ RCGT 1204**\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #666;\"\u003eOptimized for round carbide inserts to handle heavy profiling work.\u003c\/p\u003e\n\u003ca style=\"display: inline-block; padding: 10px 25px; background-color: #47479f; color: white; text-decoration: none; border-radius: 4px; font-weight: bold;\" href=\"https:\/\/cnchome-beyond.com\/search?q=RCMT12\" target=\"_blank\" rel=\"noopener\"\u003eShop RCMT1204 Inserts →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; padding: 0 15px; margin-bottom: 30px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #eee; border-radius: 8px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eTypical Applications\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; font-size: 14px;\"\u003e\n\u003cli\u003eRoughing of Forged Steel Parts\u003c\/li\u003e\n\u003cli\u003eComplex Profiling \u0026amp; Large Radius Contours\u003c\/li\u003e\n\u003cli\u003eTurbine Blade \u0026amp; Aero-Component Machining\u003c\/li\u003e\n\u003cli\u003eExternal Facing in Interrupted Cuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 280px; padding: 20px; border: 1px solid #eee; border-radius: 8px;\"\u003e\n\u003ch3 style=\"color: #47479f;\"\u003eEquipment Compatibility\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px;\"\u003eDesigned for CNC Lathes and manual lathes with 20mm tool posts. Fully compatible with ISO standard RCMT\/RCGT 12 series inserts from brands like Sandvik, Iscar, and Beyond.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection style=\"padding: 25px 15px; border-top: 1px solid #eee;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 24px;\"\u003eBeyond Brand Material Comparison\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003e\u003cstrong\u003eHigh-Tensile Alloy Body:\u003c\/strong\u003e Our SRGCR holders are manufactured from 42CrMo alloy steel, providing 25% better vibration damping than standard carbon steel shanks. This ensures a cleaner surface finish and significantly longer insert life during high-speed operations.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"padding: 30px 15px; background-color: #f9f9f9;\"\u003e\n\u003ch2 style=\"color: #47479f; text-align: center; font-size: 24px;\"\u003eCustomer Field Reviews\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 15px; justify-content: center; margin-top: 20px;\"\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 15px; border-radius: 8px; background: white; width: 300px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\n\u003cp style=\"font-size: 14px; font-style: italic;\"\u003e\"The SRGCR2020 toolholder is incredibly rigid. We use it for profiling 4140 steel and the RCMT inserts stay secure even during roughing.\"\u003c\/p\u003e\n\u003csmall\u003e— Robert D., USA\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 15px; border-radius: 8px; background: white; width: 300px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\n\u003cp style=\"font-size: 14px; font-style: italic;\"\u003e\"Perfekt für schwere Schruppbearbeitung. Die Qualität von Beyond ist wie immer erstklassig.\"\u003c\/p\u003e\n\u003csmall\u003e— Hans K., Germany\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 15px; border-radius: 8px; background: white; width: 300px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\n\u003cp style=\"font-size: 14px; font-style: italic;\"\u003e\"Ottima rigidità. Used it for profiling stainless manifolds, zero vibration issues.\"\u003c\/p\u003e\n\u003csmall\u003e— Marco V., Italy\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #ddd; padding: 15px; border-radius: 8px; background: white; width: 300px;\"\u003e\n\u003cspan style=\"color: #f1c40f;\"\u003e★★★★★\u003c\/span\u003e\n\u003cp style=\"font-size: 14px; font-style: italic;\"\u003e\"Quality finish, fits my turret perfectly. Best value for professional shops.\"\u003c\/p\u003e\n\u003csmall\u003e— Hiroshi S., Japan\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; font-size: 24px; text-align: center;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"max-width: 850px; margin: auto;\"\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 15px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-weight: bold;\"\u003eCan I use RCGT inserts for aluminum with this holder?\u003c\/summary\u003e\n\u003cp style=\"padding-top: 10px;\"\u003eYes! The SRGCR2020K12 is fully compatible with both RCMT (molded) and RCGT (ground\/polished) 12mm round inserts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 15px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-weight: bold;\"\u003eIs this toolholder Right-Hand or Left-Hand?\u003c\/summary\u003e\n\u003cp style=\"padding-top: 10px;\"\u003eThe \"R\" in SRGC\u003cstrong\u003eR\u003c\/strong\u003e indicates a \u003cstrong\u003eRight-Hand\u003c\/strong\u003e toolholder. Please check your machine turret orientation before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border-bottom: 1px solid #ddd; padding: 15px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-weight: bold;\"\u003eWhy use a round insert instead of a diamond insert?\u003c\/summary\u003e\n\u003cp style=\"padding-top: 10px;\"\u003eRound inserts have a much stronger cutting edge and can handle profiling in multiple directions with lower vibration, which is essential for large radii.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 30px; border-radius: 4px; margin-top: 20px;\"\u003e\n\u003ch4 style=\"margin: 0; color: #ffffff; text-transform: uppercase;\"\u003eMaterial Pro Tip: Round Insert Advantage\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px; margin-bottom: 0;\"\u003eWhen using the \u003cstrong\u003eSRGCR2020K12\u003c\/strong\u003e, the chip thickness changes based on the depth of cut. For shallow profiling, you can increase your feed rate significantly. However, for heavy roughing, ensure your depth of cut doesn't exceed 50% of the insert diameter (6mm) to maintain maximum stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43589575868588,"sku":"SRGCR2020K12","price":22.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/beyond-srgcr2020k12-external-turning-toolholder-rcmt12.jpg?v=1776924569","url":"https:\/\/cnchome-beyond.com\/products\/srgcr2020k12-external-turning-tool-holder-rcmt-beyond","provider":"CNCHome-Beyond","version":"1.0","type":"link"}