{"product_id":"srgcl2020k08-external-turning-tool-holder-rcmt-beyond","title":"SRGCL2020K08 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;\"\u003eSRGCL2020K08 External Turning Toolholder\u003c\/h1\u003e\n\u003cp style=\"color: #d1d1f0; margin: 10px 0 0 0; font-size: 16px;\"\u003ePrecision 20x20mm Left-Hand Shank for RCMT0803 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 left-hand toolholder is most efficient for stable profiling and large radius contouring on a 20mm CNC turret?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBeyond SRGCL2020K08\u003c\/strong\u003e is a high-performance external turning toolholder specifically engineered for \u003cstrong\u003eRCMT0803\u003c\/strong\u003e round inserts. Round geometry provides the strongest cutting edge in the industry, as the absence of sharp corners effectively prevents edge chipping. This toolholder is the premier choice for roughing forged parts and finishing complex radii where standard diamond inserts (CNMG\/DNMG) struggle with heat concentration and vibration.\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\u003e42CrMo High-Tensile Steel:\u003c\/strong\u003e Forged body ensures maximum rigidity and vibration absorption during heavy 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\u003ePrecision Screw Clamping:\u003c\/strong\u003e Secure seat design ensures zero insert movement for perfect indexability and surface finish.\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\u003eOmni-Directional Profiling:\u003c\/strong\u003e Round insert geometry allows for 360° profiling flexibility without tool interference.\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\u003eL\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eLeft 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\u003e08\u003c\/strong\u003e\u003cbr\u003e\u003csmall\u003eRCMT08\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;\"\u003eRequired Insert\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRCMT 0803**\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eRound 5\/16\"\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;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #ddd;\"\u003eFeed Rate (f)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSteel (P)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e160 - 240 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e0.15 - 0.45 mm\/rev\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 - 0.35 mm\/rev\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;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-weight: bold; color: #47479f;\"\u003eRequired Insert: RCMT 0803** \/ RCGT 0803**\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #666;\"\u003eOptimized for round carbide inserts to handle industrial 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=RCMT08\" target=\"_blank\" rel=\"noopener\"\u003eShop RCMT0803 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;\"\u003ePrimary Applications\u003c\/h3\u003e\n\u003cul style=\"padding-left: 20px; font-size: 14px;\"\u003e\n\u003cli\u003eLarge Radius \u0026amp; Profile Machining\u003c\/li\u003e\n\u003cli\u003eForged Surface Roughing\u003c\/li\u003e\n\u003cli\u003eTurbine Blade \u0026amp; Flange Contouring\u003c\/li\u003e\n\u003cli\u003eAutomotive Shaft Processing\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;\"\u003eFits all standard CNC turrets with 20mm tool slots. ISO Standard geometry ensures full compatibility with RCMT\/RCGT 08 series inserts from all global manufacturers.\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 Advantage\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px;\"\u003e\u003cstrong\u003eSuperior Edge Rigidity:\u003c\/strong\u003e Beyond toolholders utilize 42CrMo alloy steel, quenched and tempered to HRC 42-45. This offers 30% higher damping capacity than standard carbon steel competitors, effectively reducing the risk of insert fracturing under heavy roughing loads.\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;\"\u003eGlobal User Feedback\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\"Great rigidity for profiling stainless. The 20mm shank is dead straight and handles the load well.\"\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\"Halter ist sehr präzise gefertigt. Die RCMT-Platten sitzen bombenfest. Top Qualität!\"\u003c\/p\u003e\n\u003csmall\u003e— Stefan W., 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\"Superior surface finish compared to diamond inserts for radius work.\"\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\"Fits my Japanese lathe perfectly. Very reliable holder for heavy roughing.\"\u003c\/p\u003e\n\u003csmall\u003e— Tanaka K., 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 SRGCL2020K08 is fully compatible with both RCMT (standard) and RCGT (ground\/polished) 08mm 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 \"L\" in SRGC\u003cstrong\u003eL\u003c\/strong\u003e indicates a \u003cstrong\u003eLeft-Hand\u003c\/strong\u003e configuration. Please verify your machine's turret rotation.\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 for profiling?\u003c\/summary\u003e\n\u003cp style=\"padding-top: 10px;\"\u003eRound inserts have the strongest geometry, preventing edge chipping and providing superior surface finish at high feed rates on 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: High-Feed Radius Machining\u003c\/h4\u003e\n\u003cp style=\"font-size: 14px; margin-top: 10px; margin-bottom: 0;\"\u003eWhen using the \u003cstrong\u003eSRGCL2020K08\u003c\/strong\u003e, the actual chip thickness is less than the feed per revolution. For radius finishing, you can increase your feed rate by up to 30% compared to conventional tools, significantly reducing cycle times while maintaining a perfect finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43589496766636,"sku":"SRGCL2020K08","price":22.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Beyond_SRGCL2020K08_20x20mm_CNC_lathe_external_turning_toolholder_for_RCMT0803_round_carbide_inserts.jpg?v=1776927198","url":"https:\/\/cnchome-beyond.com\/products\/srgcl2020k08-external-turning-tool-holder-rcmt-beyond","provider":"CNCHome-Beyond","version":"1.0","type":"link"}