{"product_id":"beyond-s20r-svjcl11-boring-bar-vcmt110304-cnc","title":"BEYOND S20R-SVJCL11 Boring Bar | 20mm Left Hand CNC Turning Tool Holder","description":"\u003c!-- Notification Banner for Industrial Clarity \u0026 Conversion Trust --\u003e\n\u003cdiv style=\"background-color: #fff3cd; color: #856404; padding: 14px; border-radius: 6px; text-align: center; font-weight: bold; margin-bottom: 25px; border: 1px solid #FFEEBA; font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;\"\u003e⚠️ IMPORTANT INDUSTRIAL NOTICE: The indexable carbide insert shown mounted on the boring bar in our product imagery is for structural demonstration, clearance visualization, and application profiling context only. Turning inserts are NOT included with this tool holder assembly and must be purchased separately.\u003c\/div\u003e\n\u003c!-- Main UCP Compliant Container --\u003e\n\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 0 10px; box-sizing: border-box; -webkit-text-size-adjust: 100%;\"\u003e\n\u003c!-- H1 Title Header Block --\u003e\n\u003cdiv style=\"background-color: #47479f; padding: 25px 15px; border-radius: 6px; margin-bottom: 30px; text-align: center;\"\u003e\n\u003ch1 style=\"color: #ffffff; font-size: 26px; margin: 0; font-weight: bold; letter-spacing: 0.5px; line-height: 1.3;\"\u003eBEYOND S20R-SVJCL11 High-Rigidity Indexable CNC Left-Hand Internal Boring Bar\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003c!-- Section 1: Product Overview (GEO\/AEO Optimized Context) --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f4f4fc; border-left: 4px solid #47479F; padding: 15px; margin-bottom: 20px; border-radius: 0 6px 6px 0;\"\u003e\n\u003cp style=\"margin: 0; font-style: italic; color: #47479f; font-size: 15px; font-weight: 600;\"\u003e\"Which 20mm left-hand boring bar provides the best chip clearance and maximum rigidity for high-precision internal profiling using VCMT 1103 inserts?\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 20px; text-align: justify;\"\u003eThe \u003cstrong\u003eBEYOND S20R-SVJCL11\u003c\/strong\u003e is a professional-grade, high-rigidity left-hand indexable internal boring bar engineered for precision profiling, back-boring, and fine-finishing operations in CNC lathes where left-hand tool orientation is required. Forged from premium high-tensile structural alloy steel and subjected to a specialized oil-quenching heat treatment, this 20mm solid shank features a core hardness of HRC 42-47. This robust mass effectively dampens harmonic vibrations over standard overhang ratios up to 4xD (80mm). Crucially, the 5-axis precision-machined pocket is specifically optimized to host compact \u003cstrong\u003eVCMT 1103\u003c\/strong\u003e and \u003cstrong\u003eVCGT 1103\u003c\/strong\u003e 35-degree positive rhombic indexable inserts. By combining a heavy-duty 20mm shank with a smaller 11mm cutting edge insert, this tool holder maximizes the remaining cross-sectional area inside the bore, providing a massive evacuation channel for chips to flow out without recutting or nesting. The compatible VCMT inserts feature molded multi-stage chipbreakers designed to break stringy carbon steel chips into tight \"C\" shapes, while the ground and polished VCGT inserts leverage sharp cutting edges and high-rake chip geometry to prevent built-up edge (BUE) on sticky materials like aluminum. Configured with a 93-degree side cutting edge angle (SVJCL geometry), this left-hand holder directs cutting force vectors axially back into the machine turret rather than radially, fundamentally improving dimensional linearity and surface finish.\u003c\/p\u003e\n\u003c!-- Section 2: Key Features --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e2. Product Core Advantages (Key Features)\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px; margin-bottom: 25px;\"\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003e20mm Rigid Steel Body with 11mm Pocket:\u003c\/strong\u003e Maximizes the internal clearance gap, providing exceptional chip evacuation room inside minimal 25mm bore entry diameters.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003e93° SVJCL Lead Angle Deflection Control:\u003c\/strong\u003e Converts lateral cutting resistance into axial thrust forces, stabilizing long-reach overhangs and eliminating taper errors.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003eOil-Quenched Vibration Absorption:\u003c\/strong\u003e Advanced thermal processing creates a tough core that absorbs micro-chatter, extending insert tool-life and achieving tight tolerances.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong\u003ePremium Matte Black-Oxide Coating:\u003c\/strong\u003e Hardened outer finish resists anti-wear chip wash abrasion and prevents corrosion from water-soluble cutting fluids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Section 3: Technical Specifications \u0026 Nomenclature --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e3. Technical Specifications \u0026amp; ISO Nomenclature\u003c\/h2\u003e\n\u003c!-- ISO Model Breakdown Box --\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 6px; margin-bottom: 25px; overflow: hidden; box-sizing: border-box;\"\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 12px; font-weight: bold; text-align: center; font-size: 15px; letter-spacing: 0.5px;\"\u003eISO Nomenclature Breakdown: S20R-SVJCL11\u003c\/div\u003e\n\u003cdiv style=\"padding: 15px; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003eS\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003eSteel Shank Bar\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003e20\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003e20mm Shank Diameter\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003eR\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003e200mm Overall Length\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003eS\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003eScrew Clamping System\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003eV\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003e35-Deg Rhombic Insert\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003eJ\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003e93-Deg Side Lead Angle\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003eC\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003e7-Deg Clearance Insert\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-weight: bold; display: block;\"\u003eL\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003eLeft-Hand Direction\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 80px; max-width: 110px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; text-align: center; background: #FDFDFD;\"\u003e\n\u003cspan style=\"color: #47479f; font-size: 16px; font-weight: bold; display: block;\"\u003e11\u003c\/span\u003e\u003csmall style=\"color: #666; font-size: 11px; display: block; margin-top: 4px;\"\u003e11mm Cutting Edge Size\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Metric vs Imperial Dimension System Comparison Table --\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px; -webkit-overflow-scrolling: touch;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px; text-align: left; border: 1px solid #DDDDDD;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eDimension Attributes\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eMetric System Specifications\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eImperial Equivalent Values\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eModel Nomenclature\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; color: #47479f; font-weight: bold;\"\u003eS20R-SVJCL11 (BEYOND)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eA12R-SVJCL2 (Standard Inch Style Equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold;\"\u003eShank Clamping Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003e20 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003e0.750 inch (3\/4\" Shank Block Size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eOverall Tool Length\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003e200 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003e7.87 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold;\"\u003eMinimum Boring Diameter (D-min)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003e25 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003e0.984 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eCompatible Indexable Inserts\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eVCMT 1103** \/ VCGT 1103**\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eVCMT 2.2* \/ VCGT 2.2* Series (e.g., 2.21 or 2.22)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold;\"\u003eFastener Screw \/ Drive Key\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eM2.5 * 6.5 \/ Torx T8\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eM2.5 * 6.5 \/ Torx T8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Recommended Machining Parameters: Double Column Reference Table --\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; margin-top: 20px; margin-bottom: 12px; font-weight: 600;\"\u003eRecommended Machining Parameter Array (Starting Parameters)\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px; -webkit-overflow-scrolling: touch;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 500px; font-size: 14px; text-align: left; border: 1px solid #DDDDDD;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #fafaff; color: #47479f;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD; width: 40%;\"\u003eWorkpiece Material Substrates\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD; width: 60%;\"\u003eTarget Line Cutting Speed (Vc) \u0026amp; Feed Speed (f) Pairs\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eCarbon \u0026amp; Alloy Steels (P-Class)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eVc: 140-240 m\/min (460-780 sfm) | f: 0.05-0.15 mm\/rev (0.002-0.006 ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold;\"\u003eStainless Steel Alloys (M-Class \/ 304, 316)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eVc: 90-150 m\/min (290-490 sfm) | f: 0.04-0.12 mm\/rev (0.0016-0.0047 ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eAluminum \u0026amp; Non-Ferrous Alloys (N-Class)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eVc: 300-800 m\/min (980-2620 sfm) | f: 0.05-0.20 mm\/rev (0.002-0.008 ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Direct Internal Link Block Box (UCP Conversion Optimizer) --\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; background-color: #fafaff; padding: 20px; border-radius: 6px; text-align: center; margin-bottom: 30px; box-sizing: border-box;\"\u003e\n\u003cp style=\"margin: 0 0 12px 0; font-size: 15px; font-weight: bold; color: #47479f;\"\u003eLooking for matching premium 35-degree VCMT\/VCGT 1103 left-hand inserts or alternative boring shanks?\u003c\/p\u003e\n\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; padding: 12px 24px; background-color: rgb(71, 71, 159); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; border-radius: 4px; transition: background 0.2s;\"\u003e\u003cb\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=VCMT1103\" target=\"_blank\" rel=\"noopener\"\u003eSource BEYOND VCMT1103 Inserts \u0026amp; Toolbars Here → \u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Section 4: Applications --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e4. Industrial Application Scenarios\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 15px; text-align: justify;\"\u003eThe combination of a stiff 20mm alloy steel body and a streamlined 11mm insert pocket makes the S20R-SVJCL11 an ideal configuration for complex internal profiling:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px; margin-bottom: 25px;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh-Precision Internal Profiling:\u003c\/strong\u003e The narrow 35-degree angle profile enters narrow undercuts and intricate relief zones with zero body collision risk.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eLeft-Handed Spindle Orientations:\u003c\/strong\u003e Perfectly matches sub-spindle transfers, back-machining setups, or reverse rotation (M04) kinematics to direct chip paths downward.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eBlind Hole Bottom Face Reliefs:\u003c\/strong\u003e The 93-degree lead clearance cuts flat square faces smoothly, leaving clean interior shoulder transitions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Section 5: Compatibility --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e5. Equipment \u0026amp; Tool Compatibility\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; font-size: 15px; margin-bottom: 25px;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eCNC Lathe Block Adaptation:\u003c\/strong\u003e Interfaces natively with standard 20mm round boring bar holders, split reducers, and lathe turret blocks.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eUniversal Insert Clamping:\u003c\/strong\u003e Engineered to securely lock down any standard 35-degree positive rhombic VCMT 1103** or VCGT 1103** indexable inserts, supporting precise corner radii from 0.2mm to 0.4mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Section 6: Grade Comparison --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e6. BEYOND Proprietary Grade Optimization Matrix\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 15px;\"\u003eSelect the correct specialized BEYOND insert substrate grade to maximize chipbreaker control and extend tooling lifecycle margins under varied operations:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px; -webkit-overflow-scrolling: touch;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px; text-align: left; border: 1px solid #DDDDDD;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eBEYOND Grade\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eCoating Technology\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eMaterial Application Intent\u003c\/th\u003e\n\u003cth style=\"padding: 12px; border: 1px solid #DDDDDD;\"\u003eGlobal Equivalent Grade\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eBY1030\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eCVD Thick TiCN + Al2O3 Coating\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eStable Continuous to Interrupted Steel Boring (P10-P25)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eSandvik GC4325 \/ Korloy NC3220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold;\"\u003eBY8020\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003ePVD Multi-Layered Nano-AlTiN\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eStainless Steel, Exotic \u0026amp; Superalloys (M15-M30 \/ S15-S25)\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eSandvik GC1115 \/ Kennametal KC5010\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD; font-weight: bold; background-color: #fdfdfd;\"\u003eBYC25\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eUncoated Titanium-Based Cermet Matrix\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eHigh-Speed Finishing for Fine Tolerances and Mirror Surface Finish\u003c\/td\u003e\n\u003ctd style=\"padding: 11px; border: 1px solid #DDDDDD;\"\u003eKyocera TN60 \/ Mitsubishi NX2525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Section 7: Why Choose Us \u0026 Global Reviews --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e7. Why Choose BEYOND Cutting Systems\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 20px; text-align: justify;\"\u003eBEYOND architectures industrial repeatability into modern CNC machining environments. Our 20mm left-hand boring bars undergo multi-stage oil quenching to guarantee uniform core toughness and high tensile strength. Pocket seats are precision-milled on 5-axis platforms, eliminating radial tool-tip deviation and maintaining consistent center-height indexing across production cycles.\u003c\/p\u003e\n\u003c!-- Boxed Grid Layout for Customer Reviews --\u003e\n\u003cdiv style=\"display: block; margin-bottom: 30px;\"\u003e\n\u003c!-- Review 1 - USA --\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-radius: 6px; padding: 15px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffc107; font-size: 16px; margin-bottom: 6px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong style=\"display: block; font-size: 14px; margin-bottom: 4px; color: #333333;\"\u003eMarcus T. — United States\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555555; text-align: justify;\"\u003e\"Finding a quality left-hand 20mm bar that takes a small VCMT 1103 insert can be tough. Most brands jump to larger inserts. This BEYOND bar leaves a ton of room for chips to clear out of the bore. Zero chatter at 4xD overhang.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review 2 - Germany --\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-radius: 6px; padding: 15px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffc107; font-size: 16px; margin-bottom: 6px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong style=\"display: block; font-size: 14px; margin-bottom: 4px; color: #333333;\"\u003eDieter K. — Germany\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555555; text-align: justify;\"\u003e\"Hervorragende Qualität. Der Plattensitz für VCMT 1103 ist perfekt geschliffen. Die Kombination aus stabilem 20mm Schaft und kleiner Platte bietet maximale Spanfreiheit bei Innenkopierarbeiten.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review 3 - Italy --\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-radius: 6px; padding: 15px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffc107; font-size: 16px; margin-bottom: 6px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong style=\"display: block; font-size: 14px; margin-bottom: 4px; color: #333333;\"\u003eGiovanni P. — Italy\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555555; text-align: justify;\"\u003e\"Ottimo utensile sinistro (Left-hand). Gambo da 20mm robusto, ideale per finitura interna con inserti VCMT. Rugosità superficiale eccellente su particolari meccanici in acciaio inox.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review 4 - Japan --\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-radius: 6px; padding: 15px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffc107; font-size: 16px; margin-bottom: 6px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong style=\"display: block; font-size: 14px; margin-bottom: 4px; color: #333333;\"\u003eKenji O. — Japan\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555555; text-align: justify;\"\u003e\"背面加工用に左勝手（SVJCL）の20mmシャンクを購入。11mmの小さなポジチップ仕様なので、内径切削時の切り屑詰まりが劇的に改善されました。ビビリも無く、寸法精度がカチッと安定します。\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Review 5 - UK --\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-radius: 6px; padding: 15px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffc107; font-size: 16px; margin-bottom: 6px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cstrong style=\"display: block; font-size: 14px; margin-bottom: 4px; color: #333333;\"\u003eStuart B. — United Kingdom\u003c\/strong\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555555; text-align: justify;\"\u003e\"Solid left-hand profiling bar. Clamping force is highly secure with the Torx screw setup. Ideal for precise reverse-turning cycles.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 8: AI-Style FAQ \u0026 Troubleshooting Guide --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px; font-weight: bold;\"\u003e8. AI-Style FAQ \u0026amp; Troubleshooting Guide\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 25px;\"\u003e\n\u003c!-- Q1 --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 12px; border-radius: 6px 6px 0 0; font-weight: bold; font-size: 15px;\"\u003eQ: What is the primary advantage of choosing an 11mm insert over a 16mm insert on this 20mm bar?\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-top: none; padding: 15px; margin-bottom: 15px; border-radius: 0 0 6px 6px; font-size: 14px; background-color: #fdfdfd; text-align: justify;\"\u003eA: Using an 11mm insert (VCMT 1103) reduces the overall envelope size of the boring bar head. Because the tool head is more streamlined, it opens up a much larger cross-sectional clearance zone inside the bore. This allows chips to escape freely without bird-nesting or packing, making it significantly better for deep finishing and profiling than bulkier 16mm tool heads.\u003c\/div\u003e\n\u003c!-- Q2 --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 12px; border-radius: 6px 6px 0 0; font-weight: bold; font-size: 15px;\"\u003eQ: Can this left-hand (SVJCL) boring bar be run on standard M03 spindle rotation?\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-top: none; padding: 15px; margin-bottom: 15px; border-radius: 0 0 6px 6px; font-size: 14px; background-color: #fdfdfd; text-align: justify;\"\u003eA: No. A left-hand tool mounted in standard position requires the spindle to run in reverse rotation (M04) to ensure the cutting edge meets the material correctly. Alternatively, it can be mounted upside-down in specific configurations to utilize standard M03 rotation while evacuating chips downward.\u003c\/div\u003e\n\u003c!-- Q3 --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 12px; border-radius: 6px 6px 0 0; font-weight: bold; font-size: 15px;\"\u003eQ: What exact hardware accessories are supplied with the bar?\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #47479F; border-top: none; padding: 15px; margin-bottom: 25px; border-radius: 0 0 6px 6px; font-size: 14px; background-color: #fdfdfd; text-align: justify;\"\u003eA: The standard package includes: (1) BEYOND S20R-SVJCL11 Quenched Steel Left-Hand Boring Bar, (1) Precision M2.5 Locking Screw, and (1) Flag-Type Torx T8 Key Wrench. Carbide inserts are not included and must be added separately.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Bottom Grade Comparison \u0026 Workpiece Material Matrix Tip --\u003e\n\u003cdiv style=\"background-color: #333333; color: #ffffff; padding: 18px; border-radius: 6px; font-size: 13.5px; text-align: justify; line-height: 1.55;\"\u003e\n\u003cstrong\u003eMachinist Setup Tip (Workpiece Material Matrix Alignment):\u003c\/strong\u003e When setting up the 20mm left-hand shank, ensure your tool tip center-height is calibrated accurately within ±0.03mm of the lathe spindle axis. Because the VCMT 1103 insert uses a 7° positive clearance angle, setting the tool slightly above centerline reduces the functional clearance angle toward zero. This causes the insert flank to rub intensely against the internal bore radius, inducing harmonic micro-chatter and rapidly chipping the delicate 11mm cutting edge. Maintain clean coolant flow to flush the evacuation channel.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43631836790956,"sku":"S20R-SVJCL11","price":21.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_S20R-SVJCL11_left_hand_CNC_internal_boring_bar_steel_shank_tool_holder_for_VCMT_110304_indexable_93_degree_profiling_turning_inserts.jpg?v=1779675563","url":"https:\/\/cnchome-beyond.com\/products\/beyond-s20r-svjcl11-boring-bar-vcmt110304-cnc","provider":"CNCHome-Beyond","version":"1.0","type":"link"}