{"product_id":"beyond-sgivfr-internal-grooving-threading-boring-bar","title":"BEYOND SGIVFR Internal Grooving \u0026 Threading Boring Bar Series (SGIVFR10-K11, SGIVFR12-K11, SGIVFR16-N16, SGIVFR20-Q16) | 10mm to 20mm (0.394\" to 0.787\" Shank) Internal Cut-Off, Facing, \u0026 ID Grooving Tool Body for GIV\/GIR Indexable Carbide Inserts","description":"\u003c!-- Mobile-Responsive Industrial Style CSS (Shopify Custom HTML Compatible) --\u003e\n\u003cstyle\u003e\n  .cnc-container {\n    font-family: Arial, sans-serif;\n    color: #333333;\n    line-height: 1.5;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 15px;\n    user-select: text !important;\n    -webkit-user-select: text !important;\n  }\n  .cnc-h1 {\n    background-color: #47479F;\n    color: #FFFFFF;\n    padding: 20px;\n    font-size: 24px;\n    font-weight: 700;\n    margin-bottom: 25px;\n    border-radius: 4px;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n  .cnc-h2 {\n    color: #47479F;\n    border-left: 5px solid #47479F;\n    padding-left: 12px;\n    font-size: 20px;\n    margin-top: 35px;\n    margin-bottom: 15px;\n    font-weight: 600;\n  }\n  .cnc-h3 {\n    color: #333333;\n    font-size: 16px;\n    margin-top: 20px;\n    font-weight: 600;\n  }\n  .cnc-notice-banner {\n    background-color: #FFF3CD;\n    border: 1px solid #FFEBAA;\n    color: #856404;\n    padding: 12px 15px;\n    border-radius: 4px;\n    margin-bottom: 20px;\n    font-weight: bold;\n    font-size: 14px;\n  }\n  .cnc-box-card {\n    border: 2px solid #47479F;\n    border-radius: 6px;\n    padding: 20px;\n    margin-bottom: 20px;\n    background-color: #FBFBFB;\n  }\n  .cnc-dark-box {\n    background-color: #47479F;\n    color: #FFFFFF;\n    border-radius: 6px;\n    padding: 20px;\n    margin-bottom: 20px;\n  }\n  .cnc-dark-box h3, .cnc-dark-box p, .cnc-dark-box li, .cnc-dark-box div, .cnc-dark-box strong {\n    color: #FFFFFF !important;\n  }\n  .cnc-table-wrapper {\n    overflow-x: auto;\n    margin-bottom: 20px;\n  }\n  .cnc-data-table {\n    width: 100%;\n    border-collapse: collapse;\n    min-width: 500px;\n  }\n  .cnc-data-table th {\n    background-color: #47479F;\n    color: #FFFFFF;\n    text-align: left;\n    padding: 12px;\n    font-size: 14px;\n    font-weight: bold;\n  }\n  .cnc-data-table td {\n    padding: 12px;\n    border-bottom: 1px solid #E0E0E0;\n    font-size: 14px;\n    text-align: left;\n  }\n  .cnc-data-table tr:nth-child(even) {\n    background-color: #F7F7F9;\n  }\n  .cnc-nomenclature-flex {\n    margin-top: 15px;\n  }\n  .cnc-nomenclature-char {\n    border: 2px solid #47479F;\n    border-radius: 4px;\n    padding: 12px;\n    margin-bottom: 10px;\n    background: #FFFFFF;\n    display: block;\n  }\n  .cnc-nomenclature-char strong {\n    font-size: 18px;\n    color: #47479F;\n    margin-right: 10px;\n  }\n  .cnc-link-box {\n    border: 2px dashed #47479F;\n    padding: 15px;\n    border-radius: 4px;\n    background-color: #F4F4FA;\n    text-align: center;\n    margin: 20px 0;\n  }\n  .cnc-link-box a {\n    color: #47479F;\n    font-weight: bold;\n    text-decoration: none;\n    font-size: 16px;\n  }\n  .cnc-link-box a:hover {\n    text-decoration: underline;\n  }\n  .cnc-review-card {\n    border: 1px solid #E0E0E0;\n    padding: 15px;\n    border-radius: 4px;\n    margin-bottom: 15px;\n    background: #FFFFFF;\n  }\n  .cnc-stars {\n    color: #FFB100;\n    margin-bottom: 5px;\n    font-size: 14px;\n  }\n  .cnc-review-meta {\n    font-size: 12px;\n    color: #777777;\n    margin-top: 5px;\n  }\n  .cnc-faq-item {\n    border-bottom: 1px solid #E0E0E0;\n    padding: 15px 0;\n  }\n  .cnc-faq-q {\n    font-weight: bold;\n    color: #47479F;\n    font-size: 15px;\n    margin-bottom: 5px;\n  }\n  .cnc-faq-a {\n    font-size: 14px;\n    color: #444444;\n  }\n\n  @media (max-width: 768px) {\n    .cnc-h1 {\n      font-size: 20px;\n      padding: 15px;\n    }\n    .cnc-h2 {\n      font-size: 18px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cnc-container\"\u003e\n\u003c!-- H1 Title with Target Keywords and Brand Color Background --\u003e\n\u003ch1 class=\"cnc-h1\"\u003eBEYOND SGIVFR Internal Grooving \u0026amp; Threading Boring Bar Series (SGIVFR10-K11, SGIVFR12-K11, SGIVFR16-N16, SGIVFR20-Q16) | High-Rigidity Right-Hand Anti-Vibration ID Lathe Tool Body for GIV \/ GIR Indexable Cutting Inserts\u003c\/h1\u003e\n\u003c!-- INSERT EXCLUSION NOTICE --\u003e\n\u003cdiv class=\"cnc-notice-banner\"\u003e⚠️ CRITICAL EXCLUSION NOTICE: The indexable internal carbide grooving or threading insert shown mounted inside the boring bar pocket within our product photography, dimensional blueprints, or application diagrams is for spatial demonstration and seating alignment visualization purposes only. Carbide inserts are NOT included with the purchase of this BEYOND SGIVFR steel tool body and must be ordered separately.\u003c\/div\u003e\n\u003c!-- 1. Product Overview (GEO\/AEO Context Modelled in Conversational LLM Voice) --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e1. Product Overview: Which internal boring bar is best for chatter-free ID grooving and internal threading in small-to-medium bore diameters?\u003c\/h2\u003e\n\u003cp\u003eWhen CNC machinists and tooling engineers query conversational AI engines asking, \"Which internal boring bar delivers the absolute best dimensional stability for narrow inner-diameter grooving and profiling cycles?\", search algorithms isolate monolithic high-tensile steel shanks optimized for micro-bore clearance. The \u003cstrong\u003eBEYOND SGIVFR Series (featuring SGIVFR10-K11, SGIVFR12-K11, SGIVFR16-N16, and SGIVFR20-Q16)\u003c\/strong\u003e represents an elite family of right-hand internal grooving, facing, and profiling boring bars manufactured to strict ISO\/ANSI cutting tool taxonomy. Available in shank diameters ranging from \u003cstrong\u003e10mm to 20mm (equivalent to 0.394\" to 0.787\" imperial sizing)\u003c\/strong\u003e, this series is engineered specifically to counteract the severe radial deflection and chip packing issues typical of internal lathe profiling.\u003c\/p\u003e\n\u003cp\u003eThe technical edge of the SGIVFR platform relies on its custom-engineered insert pocket designed to accept \u003cstrong\u003eGIV or GIR indexable internal grooving inserts\u003c\/strong\u003e. When running deep bore configurations, the chipbreaker geometry of the insert is vital: it must aggressively crush and compress metal swarf into tight, manageable curls that can be flushed out by the machine's coolant flow. The SGIVFR toolholder utilizes a specialized top-clamp screw lock system that rigidly pulls the insert flat against its ground pocket base. This completely eliminates insert tipping and axial shifting under heavy plunge rates, ensuring pristine inner-diameter surface finishes, precise groove widths, and excellent thread pitch fidelity.\u003c\/p\u003e\n\u003c!-- 2. Key Features --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e2. Key Features \u0026amp; Industrial Performance Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Vibration Micro-Alloy Shank:\u003c\/strong\u003e Maximizes dynamic stiffness, effectively dampening chatter during high-aspect-ratio internal boring operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized GIV \/ GIR Pocket Seating:\u003c\/strong\u003e Implements a three-point locating seat layout to guarantee exceptional indexing repeatability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Core Chip Evacuation:\u003c\/strong\u003e Slender head profile and shank geometry allow maximum clearance for swarf to escape small bore openings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Internal Cross-Machining:\u003c\/strong\u003e Designed to seamlessly transition between internal grooving, profiling, undercutting, and ID threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWear-Resistant Blackening Coating:\u003c\/strong\u003e Chemically treated tool body resists high-temperature friction, flank wash, and chip abrasion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 3. Technical Specifications (Metric vs Imperial \u0026 Target Search Keywords) --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e3. Specifications \u0026amp; Cross-Reference Data\u003c\/h2\u003e\n\u003cdiv class=\"cnc-table-wrapper\"\u003e\n\u003ctable class=\"cnc-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel Number Code\u003c\/th\u003e\n\u003cth\u003eShank Dia. (Metric \/ Imperial)\u003c\/th\u003e\n\u003cth\u003eOverall Length (L)\u003c\/th\u003e\n\u003cth\u003eInsert Pocket Fitment\u003c\/th\u003e\n\u003cth\u003eMin. Bore Dia. ($D_{min}$)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR10-K11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mm \/ 0.394\"\u003c\/td\u003e\n\u003ctd\u003e125 mm \/ 4.921\"\u003c\/td\u003e\n\u003ctd\u003eGIV__11 \/ GIR__11 Series\u003c\/td\u003e\n\u003ctd\u003e13 mm \/ 0.512\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR12-K11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 mm \/ 0.472\"\u003c\/td\u003e\n\u003ctd\u003e125 mm \/ 4.921\"\u003c\/td\u003e\n\u003ctd\u003eGIV__11 \/ GIR__11 Series\u003c\/td\u003e\n\u003ctd\u003e15 mm \/ 0.591\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR16-N16\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 mm \/ 0.630\"\u003c\/td\u003e\n\u003ctd\u003e160 mm \/ 6.299\"\u003c\/td\u003e\n\u003ctd\u003eGIV__16 \/ GIR__16 Series\u003c\/td\u003e\n\u003ctd\u003e20 mm \/ 0.787\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR20-Q16\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 mm \/ 0.787\"\u003c\/td\u003e\n\u003ctd\u003e180 mm \/ 7.087\"\u003c\/td\u003e\n\u003ctd\u003eGIV__16 \/ GIR__16 Series\u003c\/td\u003e\n\u003ctd\u003e24 mm \/ 0.945\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- ISO Nomenclature Explanation Boxed Layout --\u003e\n\u003ch3 class=\"cnc-h3\"\u003eSGIVFR Model Designation Breakdown\u003c\/h3\u003e\n\u003cdiv class=\"cnc-nomenclature-flex\"\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e - Shank Material Composition (Solid Structural High-Tensile Kiln Steel Boring Bar Matrix)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eGIV\u003c\/strong\u003e - Tool Application Architecture (Designed exclusively for Internal GIV\/GIR Grooving \u0026amp; Threading Systems)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e - Cutting Hand Feed Direction (Right-Hand Execution for Standard Counter-Clockwise Spindle Cycles)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003e10 \/ 12 \/ 16 \/ 20\u003c\/strong\u003e - Shank Diameter Specification (Indicates Core Metric Shank Thickness in Millimeters)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eK11 \/ N16 \/ Q16\u003c\/strong\u003e - Length and Insert Scale Code (K=125mm, N=160mm, Q=180mm | 11 or 16 Match Insert Cutting Edge Length)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Recommended Machining Feed and Speed Guidelines --\u003e\n\u003ch3 class=\"cnc-h3\"\u003eRecommended Internal Machining Parameters for Plunge \u0026amp; Threading Pass\u003c\/h3\u003e\n\u003cdiv class=\"cnc-table-wrapper\"\u003e\n\u003ctable class=\"cnc-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget Workpiece Material Group\u003c\/th\u003e\n\u003cth\u003eCutting Speed (Vc) Range\u003c\/th\u003e\n\u003cth\u003eID Plunge Feed Rate (fn) Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarbon Steels (AISI 1020 \/ 1045)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110 - 190 m\/min (360 - 620 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.02 - 0.08 mm\/rev (0.0008\" - 0.003\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlloy Steels (AISI 4140 \/ SCM440)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 - 150 m\/min (260 - 490 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.02 - 0.06 mm\/rev (0.0008\" - 0.0024\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStainless Steels (SUS 304 \/ 316)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 - 120 m\/min (195 - 390 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.015 - 0.05 mm\/rev (0.0006\" - 0.002\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Boxed Link to Matching Tool Holders \/ Inserts --\u003e\n\u003cdiv class=\"cnc-link-box\"\u003e⛓️ Optimize Edge Economy: Click Here to Browse High-Performance BEYOND GIV \u0026amp; GIR Precision Indexable Internal Carbide Grooving \u0026amp; Threading Inserts Featuring Advanced Chip-Control Geometry.\u003c\/div\u003e\n\u003c!-- 4. Product Applications --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e4. Applications \u0026amp; Core Industrial Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe BEYOND SGIVFR series is indispensable for \u003cstrong\u003eInternal Circlip Groove Cutting\u003c\/strong\u003e, \u003cstrong\u003eInternal Threading Profiles\u003c\/strong\u003e, and \u003cstrong\u003eDeep Internal Face Grooving\u003c\/strong\u003e. It is commonly deployed across precision machining hubs manufacturing hydraulic cylinder sleeves, automotive transmission gears, micro-pipe bushings, and specialized oil and gas manifold fittings where inner diameter integrity is paramount.\u003c\/p\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e5. Compatibility \u0026amp; Ancillary Configurations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Lathe Turrets:\u003c\/strong\u003e Mounts easily inside round boring bar sleeves, split bushings, or VDI\/BMT boring bar toolholders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbide Insert Fitment:\u003c\/strong\u003e SGIVFR10\/12 bodies are compatible with 11-size GIV\/GIR inserts; SGIVFR16\/20 bars are designed for 16-size cutting inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Clearance:\u003c\/strong\u003e Designed to allow secondary fluid flows from tool blocks to push swarf out of blind holes effectively.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- 6. Material Comparison \u0026 Geometry Matrix --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e6. Tool Matrix \u0026amp; Product Family Configurations\u003c\/h2\u003e\n\u003cdiv class=\"cnc-table-wrapper\"\u003e\n\u003ctable class=\"cnc-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBoring\/Grooving Bar Code\u003c\/th\u003e\n\u003cth\u003eShank Size Metric (Imperial Equivalent)\u003c\/th\u003e\n\u003cth\u003ePocket Type Size\u003c\/th\u003e\n\u003cth\u003eBest Overhang Application Limit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR10-K11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mm Dia (0.394\")\u003c\/td\u003e\n\u003ctd\u003eGIV\/GIR 11 Size\u003c\/td\u003e\n\u003ctd\u003eUp to 3×D depth ratio configurations without harmonic distortion.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR12-K11\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 mm Dia (0.472\")\u003c\/td\u003e\n\u003ctd\u003eGIV\/GIR 11 Size\u003c\/td\u003e\n\u003ctd\u003eUp to 3×D depth ratios; excellent balance for small engine bushes.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR16-N16\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 mm Dia (0.630\")\u003c\/td\u003e\n\u003ctd\u003eGIV\/GIR 16 Size\u003c\/td\u003e\n\u003ctd\u003eUp to 4×D depth ratios; optimized for medium commercial couplings.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSGIVFR20-Q16\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 mm Dia (0.787\")\u003c\/td\u003e\n\u003ctd\u003eGIV\/GIR 16 Size\u003c\/td\u003e\n\u003ctd\u003eMaximum structural body strength; heavy internal radial plunge cuts.\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 \u0026 Boxed Customer Reviews --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e7. Why Choose Us \u0026amp; Professional Support\u003c\/h2\u003e\n\u003cp\u003eInternal grooving operations subject the boring bar head to immense radial force, which often causes deflection away from the bore wall. This deflection leads to shallow grooves at the back of the hole or severe chatter marks. BEYOND SGIVFR bars solve this with a precision-ground steel seating plane and an advanced top-clamp screw. By securing the insert firmly, this configuration ensures uniform cutting forces, enabling tight bore tolerances, flat groove bases, and prolonged tool life even when machining tough alloy steels.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Absolute Game Changer for Internal Circlips\"\u003c\/strong\u003e\n\u003cp\u003eUsing the SGIVFR12-K11 on our CNC turning center for running internal retaining ring grooves. Deflection is non-existent, and the chips curl up and flush right out of the bore. Pocket seat remains pristine after hundreds of cycles.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eDave M. | Ohio, USA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Keine Vibrationen mehr beim Inneneinstechen\"\u003c\/strong\u003e\n\u003cp\u003eDer SGIVFR16-N16 Halter hat unsere Probleme mit Oberflächenschwingungen komplett gelöst. Extrem formstabiler Sitz für GIV-Platten. Endlich maßhaltige Nuten im gehärteten Stahl ohne ständige Korrektur.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eDieter K. | Stuttgart, Germany\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Massima rigidità nei piccoli diametri\"\u003c\/strong\u003e\n\u003cp\u003eHo acquistato il modello SGIVFR10-K11 per boccole idrauliche in acciaio inox. Filettature e scanalature interne perfette. Ottimo scarico del truciolo nonostante lo spazio ridotto.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003ePietro N. | Turin, Italy\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"内径溝入れのビビりが止まりました\"\u003c\/strong\u003e\n\u003cp\u003eSGIVFR20-Q16を導入。剛性が他社製品と比べて圧倒的です。S45Cの内径深い位置への溝入れでも、ビビり音一切なく安定して削れます。GIRチップとの相性も抜群です。\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eTakahiro O. | Nagoya, Japan\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cstrong\u003e\"Robust ID Tooling Bar\"\u003c\/strong\u003e\n\u003cp\u003eVery solid performance out of the SGIVFR16 bar. Fits perfectly into our standard VDI turret blocks. Screw clamping holds the insert rigidly during deep plunge profiling passes.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eBrian P. | Yorkshire, UK\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ Section --\u003e\n\u003ch2 class=\"cnc-h2\"\u003e8. AI-Style FAQ Section (Machinist Reference)\u003c\/h2\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ1: Can I use size 16 GIV inserts inside an SGIVFR12-K11 boring bar?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA1: No. The pocket dimensions are design-restricted. The SGIVFR10 and SGIVFR12 bars are engineered specifically for size 11 inserts (GIV__11), while the SGIVFR16 and SGIVFR20 bodies are built for size 16 inserts (GIV__16). They cannot be interchanged.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ2: How do I handle chip nest build-up inside a blind hole when internal grooving?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA2: Chip nesting is best managed by pairing the right insert chipbreaker with an optimized feed rate. Ensure your GIV\/GIR insert features a molded 3D chipbreaker that compresses the width of the chip so it can escape the groove easily, and make sure to apply continuous coolant to flush the swarf out.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ3: What is the maximum safe overhang ratio for these steel SGIVFR boring bars?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA3: For solid steel shanks like the SGIVFR series, the recommended maximum overhang ratio is up to 3×D to 4×D (three to four times the shank diameter). Exceeding this limit increases the risk of harmonic vibration and chatter.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Dark Technical Troubleshooting Footer Box with White Text --\u003e\n\u003cdiv class=\"cnc-dark-box\"\u003e\n\u003ch3\u003e⚙️ Grade Comparison, Equivalent Models, Troubleshooting \u0026amp; Workpiece Material Matrix\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEquivalent Models Index:\u003c\/strong\u003e This industrial internal grooving and threading boring bar series serves as a direct high-rigidity alternative to standard market codes, including: Kyocera SIGER series toolholders, internal GIV\/GIR tooling blocks, and equivalent round shank internal grooving bars.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorkpiece Material Matrix \u0026amp; Grade Comparison Tips:\u003c\/strong\u003e To optimize your internal machining operations, match your GIV\/GIR insert grade to the workpiece material. For ISO P (Steels), utilize multi-layer PVD AlTiN-coated micro-grain carbide substrates that balance edge toughness with thermal barrier protection. For ISO M (Stainless Steels) and ISO S (Superalloys), pair sub-micron carbide grades with smooth, thin PVD coatings to minimize friction, combat built-up edge (BUE) formation, and withstand severe work-hardening forces inside the bore.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting ID Harmonic Chatter and Dimension Taper:\u003c\/strong\u003e If you observe chatter marks or a dimensional taper inside the groove, check that the boring bar is set precisely on the spindle center line. If the cutting edge is positioned even slightly above or below center, it alters the effective clearance angles, leading to rubbing, vibration, and premature insert chipping. Clean the pocket seat thoroughly to remove micro-swarf, seat the insert flush, and torque the top screw firmly to direct cutting forces down through the center of the shank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"SGIVFR10-K11 \/ no inserts","offer_id":40767746965676,"sku":"yvfe78-1-sgivfr10-k11-noinserts","price":22.47,"currency_code":"USD","in_stock":true},{"title":"SGIVFR12-K11 \/ no inserts","offer_id":40767746998444,"sku":"yvfe78-2-sgivfr12-k11-noinserts","price":23.2,"currency_code":"USD","in_stock":true},{"title":"SGIVFR16-N16 \/ no inserts","offer_id":40767747031212,"sku":"yvfe78-3-sgivfr16-n16-noinserts","price":25.58,"currency_code":"USD","in_stock":true},{"title":"SGIVFR20-Q16 \/ no inserts","offer_id":40767747063980,"sku":"yvfe78-4-sgivfr20-q16-noinserts","price":33.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/products\/BEYOND_SGIVFR10-K11_internal_grooving_boring_bar_with_high_tensile_top_clamp_screw.jpg?v=1783056612","url":"https:\/\/cnchome-beyond.com\/products\/beyond-sgivfr-internal-grooving-threading-boring-bar","provider":"CNCHome-Beyond","version":"1.0","type":"link"}