{"product_id":"d16q-svubr11-spring-steel-internal-boring-bar","title":"BEYOND D16Q-SVUBR11 Spring Steel Internal Boring Bar – 16mm Shank 180mm Length CNC Lathe Turning Tool Holder for VBMT110304 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 D16Q-SVUBR11 Spring Steel Internal Boring Bar\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; color: #ffffff; opacity: 0.95; font-size: 16px;\"\u003ePrecision Internal Turning Tool Holder for VBMT110304 Inserts | Industrial Grade CNC System\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; color: #ffeb3b; font-size: 13px; font-weight: bold;\"\u003e* Note: Indexable turning 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 boring bar provides maximum harmonic stability and precise dimensional control for internal profiling using VBMT110304 inserts in bores starting from 20mm?\"\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 14px;\"\u003eThe \u003cstrong\u003eBEYOND D16Q-SVUBR11\u003c\/strong\u003e is a professional-grade internal boring bar engineered for high-precision CNC lathe operations. Fabricated from premium spring steel with high damping elasticity to suppress tool chatter, this tool features a metric shank diameter (phi d = 16 mm), an overall length (L = 180 mm), and a minimum bore diameter clearance (phi Dmin = 20 mm). Featuring a rigid screw-down clamping system (utilizing an M2.5 x 7 screw and T8 Torx wrench), it firmly seats \u003cstrong\u003eVBMT110304\u003c\/strong\u003e indexable inserts with positive 35-degree rhombic geometry and 5-degree relief, delivering excellent chip breaking behavior, low cutting forces, and exceptional surface finish.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #1a202c; margin-top: 20px; margin-bottom: 12px;\"\u003eDetailed Nomenclature Breakdown: D16Q-SVUBR11\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;\"\u003eD\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003eSpring Steel Material\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;\"\u003e16\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003eShank Diameter (16mm)\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;\"\u003eQ\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003eOverall Tool Length\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;\"\u003eS\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003eScrew-Down Clamp\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;\"\u003eV\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003e35° Rhombic Insert\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;\"\u003eU\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003e95° Approach Angle\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=\"color: #4a5568; font-size: 11px;\"\u003e5° Positive Relief\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;\"\u003eR\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003eRight Hand Cut\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;\"\u003e11\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 11px;\"\u003eInsert Size 11\u003c\/small\u003e\n\u003c\/div\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\u003eHigh-Damping Spring Steel Substrate:\u003c\/strong\u003e Engineered to absorb cutting harmonics, effectively dampening chatter during deep-bore internal profiling.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePrecision VBMT Insert Security:\u003c\/strong\u003e Optimized 35-degree rhombic pocket locks VBMT110304 inserts firmly via M2.5 x 7 screws, preventing micro-shift under load.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eStrict Dimensional Control:\u003c\/strong\u003e Built to rigorous manufacturing tolerances ensuring repeatable center height and fast indexable insert changes.\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 Parameters\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 Model \u0026amp; Dimensions\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0; text-align: left;\"\u003eInch Equivalent Class \u0026amp; Specifications\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\u003eD16Q-SVUBR11\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eInch Equivalent Design: \u003cstrong\u003e5\/8\" 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 (phi d): 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\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eMin. Bore Diameter (phi Dmin): 20 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eMin. Bore Diameter: ~0.79 Inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eOverall Length (L): 180 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eOverall Length (L): ~7.09 Inches\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 Cutting Parameters (VBMT110304 Inserts)\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; text-align: left;\"\u003eWorkpiece Material Category\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0; text-align: left;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0; text-align: left;\"\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 Steel \/ Alloy Steel (ISO P)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e100 - 200 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.08 - 0.20 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;\"\u003e90 - 160 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.06 - 0.15 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;\"\u003eExplore Full Internal Boring Bar Collection\u003c\/p\u003e\n\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=VBMT110304\" 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 Collection] →\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\u003eDesigned for CNC lathe internal turning, precision profiling, and finishing operations in blind or through holes starting from 20mm diameter. Performs exceptionally well across carbon steel, alloy steel, and stainless steel industrial components.\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 \u0026amp; System Requirements\u003c\/h2\u003e\n\u003cp\u003eFits standard 16mm lathe boring bar holders and split sleeve bushings. Fully compatible with ISO standard VBMT110304 turning inserts featuring a 35-degree rhombic positive profile and 5-degree relief angle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 6. Material Comparison \u0026 Workpiece 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. Workpiece Material Matrix \u0026amp; Grade Comparison\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eISO Material Group\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eWorkpiece Type\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eTurning Performance\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;\"\u003e\u003cstrong\u003eP (Steel)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eCarbon \u0026amp; Alloy Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eSuperior chip flow and high dimensional precision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e\u003cstrong\u003eM (Stainless)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eAustenitic Stainless Steel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eSmooth surface finish with reduced thermal distortion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e\u003cstrong\u003eK (Cast Iron)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eGray \u0026amp; Ductile Iron\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eReliable wear resistance during continuous cutting\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 Tooling\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\u003eISO Compliant\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eStrict adherence to global turning standards.\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\u003eRigidity Engineered\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eSpring steel damping structure.\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\u003eIndustrial Support\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eExpert CNC engineering advice.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ \u0026 Troubleshooting --\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 \u0026amp; Troubleshooting\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are VBMT110304 turning inserts included with this boring bar?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0;\"\u003eA: No, indexable inserts are sold separately to let you select the specific grade matching your workpiece material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the code D16Q-SVUBR11 mean in designation terms?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0;\"\u003eA: D represents the spring steel material, 16 indicates the shank diameter, and Q specifies the tool length configuration for VBMT110304 inserts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting Tip:\u003c\/strong\u003e If chatter occurs during deep boring, ensure proper tool overhang within recommended limits, align the center height precisely, and apply appropriate feed rates with high-rigidity spring steel tool holders.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Footer \u0026 Authoritative Backing --\u003e\n\u003cdiv style=\"margin-top: 24px; font-size: 11px; color: #718096; text-align: center; border-top: 1px solid #e2e8f0; padding-top: 16px;\"\u003eManufactured strictly in accordance with ISO 5608 and ISO 883 manufacturing specifications for indexable turning tool holders, supported by industrial metallurgical validation data.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43675234107564,"sku":"D16Q-SVUBR11","price":24.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_D16Q-SVUBR11_spring_steel_internal_boring_bar_technical_diagram.jpg?v=1786950448","url":"https:\/\/cnchome-beyond.com\/products\/d16q-svubr11-spring-steel-internal-boring-bar","provider":"CNCHome-Beyond","version":"1.0","type":"link"}