{"product_id":"beyond-siger1212b-eha-internal-turning-tool-holder","title":"BEYOND SIGER1212B-EHA Spring Steel Internal Grooving Boring Bar – 12x12mm Shank CNC Lathe Tooling for GER350 Inserts (Insert Not Included)","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 20px; box-sizing: border-box; -webkit-user-select: text; user-select: text;\"\u003e\n\u003c!-- H1 Banner --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 30px; border-radius: 8px; text-align: center; margin-bottom: 30px;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 26px; color: #ffffff;\"\u003eBEYOND SIGER1212B-EHA Spring Steel Internal Grooving Bar\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; color: #ffffff; opacity: 0.95; font-size: 16px;\"\u003ePrecision Internal Grooving Tool for GER350 Inserts | Industrial CNC Grade\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; color: #ffeb3b; font-size: 13px; font-weight: bold;\"\u003e* Note: Carbide inserts shown in product images are for demonstration purposes only and are NOT included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 1. Product Overview --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cp style=\"background-color: #f7fafc; padding: 14px; border-left: 4px solid #47479F; margin: 16px 0; font-style: italic; color: #2d3748; font-size: 14px;\"\u003e\"Which industrial spring steel internal grooving boring bar provides absolute rigidity for 12x12mm shank applications paired with GER350 inserts?\"\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 14px;\"\u003eThe \u003cstrong\u003eBEYOND SIGER1212B-EHA\u003c\/strong\u003e is a heavy-duty, industrial-grade internal grooving and boring tool built for tight-tolerance CNC turning centers. Forged from superior spring steel, this 12x12mm square shank boring bar excels at damping harmonic vibrations during restricted-space internal recessing. It features a precision-milled pocket engineered specifically to match the geometry and chip-control characteristics of \u003cstrong\u003eGER350\u003c\/strong\u003e indexable carbide inserts, ensuring exceptional clamping stability and reliable chip evacuation.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #1a202c; margin-top: 20px; margin-bottom: 12px;\"\u003eModel Decoding: SIGER 1212 B - EHA\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 14px;\"\u003eS\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003eSteel Shank\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 14px;\"\u003eIGER\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003eInt. Grooving\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 14px;\"\u003e1212\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003e12x12mm Size\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 14px;\"\u003eB\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003eClamp Type\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 10px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 14px;\"\u003eEHA\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003eInsert Geo\/Size\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 12px; background: #fff8e1; padding: 10px; border-radius: 4px; border: 1px solid #ffe082;\"\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #856404;\"\u003e\u003cstrong\u003eCompatibility Notice:\u003c\/strong\u003e This tool holder works exclusively with \u003cstrong\u003eGER350\u003c\/strong\u003e series carbide inserts (inserts sold separately).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2. Core Advantages --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e2. Product Core Advantages\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #2d3748;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSpring Steel Core:\u003c\/strong\u003e Absorbs high-frequency chatter loads for pristine surface finishes in small bores.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eRobust Pocket Clamping:\u003c\/strong\u003e Locks GER350 inserts securely under aggressive radial feeds.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOptimized Clearance:\u003c\/strong\u003e Designed to prevent interference during deep internal profiling passes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 3. Technical Specifications --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e3. Technical Specifications \u0026amp; Cutting Data\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 16px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0; text-align: left;\"\u003eMetric Specification\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0; text-align: left;\"\u003eImperial Approximation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eMetric Model: \u003cstrong\u003eSIGER1212B-EHA\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eImperial Class: \u003cstrong\u003e1\/2\" Square Boring Bar\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eShank Dimension: 12 mm x 12 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eShank Dimension: ~0.47\" x 0.47\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"font-size: 15px; color: #1a202c; margin-top: 16px; margin-bottom: 8px;\"\u003eRecommended Starting Cutting Parameters\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 16px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0;\"\u003eMaterial Group\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0;\"\u003eFeed Rate (fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eAlloy \/ Carbon Steel (P)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e80 - 150 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.04 - 0.09 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eStainless Steel (M)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e60 - 110 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.03 - 0.07 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; border-radius: 8px; padding: 20px; text-align: center; background-color: #ffffff; margin-top: 20px;\"\u003e\n\u003cp style=\"margin: 0 0 12px 0; font-size: 16px; color: #47479f; font-weight: bold;\"\u003eBrowse Related Internal Tooling Catalog\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=GER350\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background-color: rgb(71, 71, 159); padding: 12px 24px; border-radius: 6px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e[View Boring Bar Catalog] →\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Applications --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e4. Product Application Scenarios\u003c\/h2\u003e\n\u003cp\u003eIdeal for precision internal grooving, face profiling, and small-bore retaining ring slots. Crucial for manufacturing high-accuracy components within aerospace, automotive fuel systems, and micro-machining sectors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e5. Compatibility\u003c\/h2\u003e\n\u003cp\u003eEngineered to mount directly into standard 12mm lathe boring bar holders or split bushings. Fully optimized for indexable \u003cstrong\u003eGER350\u003c\/strong\u003e grooving carbide inserts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 6. Troubleshooting \u0026 Material Matrix --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e6. Troubleshooting \u0026amp; Material Matrix\u003c\/h2\u003e\n\u003cp style=\"font-size: 13px; color: #4a5568;\"\u003e\u003cstrong\u003eTroubleshooting Tip:\u003c\/strong\u003e Restrict tool overhang to a maximum of 2.5x to 3x the shank diameter to eliminate deflection during deep internal passes.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 12px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eWorkpiece Material\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eEquivalent Grade Strategy\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eAlloy \/ Carbon Steel (P)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003ePVD Coated Hard Metal for Extended Wear Resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eStainless Steel (M)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eTough Micro-Grain Carbide to Prevent Built-Up Edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 7. Why Choose Us --\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 8px; padding: 24px; margin-bottom: 20px; background-color: #fcfcfc;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; text-align: center; margin-top: 0;\"\u003e7. Why Choose BEYOND Precision\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 16px;\"\u003e\n\u003cdiv style=\"text-align: center; padding: 12px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 6px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eISO Standardized\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eExact dimensional precision.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 6px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eSpring Steel Body\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eEnhanced harmonic dampening.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ --\u003e\n\u003cdiv style=\"background-color: #1a1a2e; color: #ffffff; padding: 24px; border-radius: 8px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #ffffff; font-size: 20px; margin-top: 0; border-bottom: 1px solid #47479F; padding-bottom: 8px;\"\u003e8. AI-Style FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are GER350 inserts bundled with this boring bar?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0;\"\u003eA: No, inserts are sold separately so you can select the ideal carbide grade tailored to your specific material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the recommended maximum overhang for this 12x12mm bar?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0;\"\u003eA: Keep the overhang under 3 times the shank width to avoid tool deflection and chatter.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Authority Endorsement --\u003e\n\u003cdiv style=\"margin-top: 24px; font-size: 11px; color: #718096; text-align: center; border-top: 1px solid #e2e8f0; padding-top: 16px;\"\u003eManufactured in compliance with ISO 5608 and ANSI internal boring standards. Performance metrics validated through rigorous metallurgical and load-cycle testing.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"OYYU\/BEYOND","offers":[{"title":"Default Title","offer_id":43669334458540,"sku":"SIGER1212B-EHA","price":23.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_SIGER1212B-EHA_internal_grooving_boring_bar_technical_profile.jpg?v=1787125079","url":"https:\/\/cnchome-beyond.com\/products\/beyond-siger1212b-eha-internal-turning-tool-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}