{"product_id":"beyond-sngr16-n08a-internal-turning-tool-holder","title":"BEYOND SNGR16-N08A Spring Steel Internal Grooving Boring Bar – 16mm Shank CNC Lathe Tooling for 8GR 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\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 SNGR16-N08A 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 8GR Inserts | Industrial CNC Grade System\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\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\n            \"Which industrial spring steel internal grooving boring bar provides optimal rigidity and deflection control for 16mm bore sizing and 8GR indexable inserts?\"\n        \u003c\/p\u003e\n        \u003cp style=\"margin-bottom: 14px;\"\u003eThe \u003cstrong\u003eBEYOND SNGR16-N08A\u003c\/strong\u003e is an elite, industrial-grade internal grooving boring bar engineered for demanding CNC lathe operations. Forged from high-tensile spring steel, this 16mm shank minimizes harmonic chatter, ensuring superior surface finish during internal recessing and profiling tasks. It is optimized for \u003cstrong\u003e8GR\u003c\/strong\u003e carbide insert compatibility, providing exceptional clamping security and controlled chip flow in complex internal machining environments.\u003c\/p\u003e\n\n        \u003ch3 style=\"font-size: 16px; color: #1a202c; margin-top: 20px; margin-bottom: 12px;\"\u003eTool holder model explanation: SNGR16-N08A\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: 60px; 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: 60px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479F; display: block; font-size: 14px;\"\u003eN\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003eNegative Rake\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: 60px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479F; display: block; font-size: 14px;\"\u003eGR\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003eGrooving\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: 60px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479F; display: block; font-size: 14px;\"\u003e16\u003c\/strong\u003e\u003csmall style=\"display: block; font-size: 11px; color: #4a5568;\"\u003e16mm Dia\u003c\/small\u003e\n\u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\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 Construction:\u003c\/strong\u003e High shock absorbance to eliminate chatter during deep-bore overhangs.\u003c\/li\u003e\n            \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eRigid Insert Pocket:\u003c\/strong\u003e Milled to tight tolerances for secure 8GR insert positioning and repeatability.\u003c\/li\u003e\n            \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eOptimized Geometry:\u003c\/strong\u003e Facilitates smooth internal chip evacuation and prevents chip jamming.\u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/div\u003e\n\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        \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\u003eSNGR16-N08A\u003c\/strong\u003e\n\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eImperial Class: \u003cstrong\u003e0.625\" Shank 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 Diameter: 16 mm\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eShank Diameter: ~0.63 Inches\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n\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;\"\u003eCarbon \/ Alloy Steel (ISO P)\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e100 - 180 m\/min\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.05 - 0.15 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 (ISO M)\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e70 - 130 m\/min\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.04 - 0.12 mm\/rev\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n        \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:\/\/cnc-beyond.com\" target=\"_blank\" style=\"display: inline-block; background-color: #47479F; color: #ffffff; padding: 12px 24px; border-radius: 6px; font-weight: bold; text-decoration: none; font-size: 14px;\"\u003e[View Boring Bar Catalog] →\u003c\/a\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\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\u003eCrucial for precision internal ring grooving, face profiling, and snap-ring recessing in CNC lathe environments. Widely utilized across automotive transmission manufacturing, fluid control valves, and general precision engineering tasks.\u003c\/p\u003e\n    \u003c\/div\u003e\n\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\u003eCompatible with standard 16mm CNC turret boring bar sleeves and split holders. Designed to lock securely with \u003cstrong\u003e8GR\u003c\/strong\u003e series indexable carbide inserts.\u003c\/p\u003e\n    \u003c\/div\u003e\n\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 If irregular tool wear or vibration marks occur, check that the overhang ratio stays within recommended safety limits and verify proper coolant delivery.\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 Abrasion 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\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;\"\u003eStrict dimensional control.\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;\"\u003eOptimized for internal stability.\u003c\/small\u003e\n            \u003c\/div\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\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: Does this boring bar include 8GR inserts?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0;\"\u003eA: No, inserts are sold separately to allow you to match the exact carbide grade to your specific workpiece alloy.\u003c\/span\u003e\u003c\/p\u003e\n        \u003cp\u003e\u003cstrong\u003eQ: What is the maximum recommended overhang for the SNGR16 bar?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0;\"\u003eA: For optimal rigidity and to prevent chatter, a maximum overhang of 3 to 4 times the shank diameter is recommended.\u003c\/span\u003e\u003c\/p\u003e\n    \u003c\/div\u003e\n\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;\"\u003e\n        Manufactured in compliance with ISO 5608 and ANSI internal boring specifications. Performance metrics verified through industrial cutting dynamics and load testing.\n    \u003c\/div\u003e\n\u003c\/div\u003e","brand":"OYYU\/BEYOND","offers":[{"title":"Default Title","offer_id":43669378662572,"sku":"SNGR16-N08A","price":27.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_SNGR16-N08A_internal_grooving_boring_bar_technical_profile.jpg?v=1787121929","url":"https:\/\/cnchome-beyond.com\/products\/beyond-sngr16-n08a-internal-turning-tool-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}