{"product_id":"beyond-s12m-stfpr11-boring-bar-internal-turning-tool-holder","title":"BEYOND S12M-STFPR11 Right-Hand Boring Bar Internal Turning Tool Holder 12mm","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n        :root {\n            --primary-color: #47479F;\n            --text-dark: #2D3748;\n            --text-light: #FFFFFF;\n            --bg-light: #F7FAFC;\n            --border-color: #E2E8F0;\n            --accent-gold: #FFB703;\n        }\n        \n        * {\n            box-sizing: border-box;\n            margin: 0;\n            padding: 0;\n            font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n            -webkit-user-select: text;\n            user-select: text;\n        }\n\n        body {\n            color: var(--text-dark);\n            line-height: 1.6;\n            background-color: #FFFFFF;\n        }\n\n        .container {\n            width: 100%;\n            max-width: 1200px;\n            margin: 0 auto;\n            padding: 15px;\n        }\n\n        \/* Utility classes *\/\n        .section-padding { padding: 30px 0; }\n        .mb-20 { margin-bottom: 20px; }\n        .text-center { text-align: center; }\n\n        \/* Typography *\/\n        h1 {\n            background-color: var(--primary-color);\n            color: var(--text-light);\n            padding: 20px;\n            font-size: 1.8rem;\n            text-align: center;\n            border-radius: 6px;\n            font-weight: 700;\n            letter-spacing: 0.5px;\n        }\n\n        h2 {\n            color: var(--primary-color);\n            font-size: 1.4rem;\n            border-left: 5px solid var(--primary-color);\n            padding-left: 12px;\n            margin-bottom: 20px;\n            font-weight: 600;\n        }\n\n        h3 {\n            font-size: 1.1rem;\n            color: var(--text-dark);\n            margin-bottom: 10px;\n            font-weight: 600;\n        }\n\n        p { margin-bottom: 15px; font-size: 1rem; color: #4A5568; }\n\n        \/* Critical Notice Banner *\/\n        .notice-banner {\n            background-color: #FFF5F5;\n            border: 1px solid #FEB2B2;\n            color: #C53030;\n            padding: 15px;\n            border-radius: 6px;\n            font-weight: 600;\n            margin-bottom: 25px;\n            display: flex;\n            align-items: center;\n            gap: 10px;\n        }\n\n        \/* Grid Layouts *\/\n        .grid-2 {\n            display: grid;\n            grid-template-columns: 1fr;\n            gap: 20px;\n        }\n\n        @media (min-width: 768px) {\n            .grid-2 { grid-template-columns: 1fr 1fr; }\n            h1 { font-size: 2.2rem; }\n            h2 { font-size: 1.6rem; }\n        }\n\n        \/* Dark Section Styling *\/\n        .dark-section {\n            background-color: var(--primary-color);\n            color: var(--text-light);\n            padding: 30px 20px;\n            border-radius: 6px;\n            margin-bottom: 25px;\n        }\n        .dark-section h2 { color: var(--text-light); border-left-color: var(--text-light); }\n        .dark-section p, .dark-section li { color: #E2E8F0; }\n\n        \/* Box Layouts *\/\n        .info-box {\n            border: 2px solid var(--border-color);\n            border-radius: 6px;\n            padding: 20px;\n            background-color: var(--bg-light);\n            margin-bottom: 25px;\n        }\n\n        .nomenclature-container {\n            display: grid;\n            grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));\n            gap: 10px;\n            margin-top: 15px;\n        }\n\n        .nomenclature-block {\n            border: 2px solid var(--primary-color);\n            border-radius: 4px;\n            padding: 10px;\n            text-align: center;\n            background: #FFF;\n        }\n\n        .nomenclature-block .letter {\n            font-size: 1.2rem;\n            font-weight: 700;\n            color: var(--primary-color);\n            display: block;\n            border-bottom: 1px solid var(--border-color);\n            margin-bottom: 5px;\n        }\n\n        .nomenclature-block .meaning {\n            font-size: 0.75rem;\n            color: var(--text-dark);\n        }\n\n        .link-box {\n            border: 2px dashed var(--primary-color);\n            padding: 15px;\n            border-radius: 6px;\n            background-color: #EEF2F6;\n            text-align: center;\n            margin-top: 20px;\n        }\n\n        .link-box a {\n            color: var(--primary-color);\n            font-weight: 700;\n            text-decoration: none;\n            display: inline-block;\n        }\n        .link-box a:hover { text-decoration: underline; }\n\n        \/* Data Tables *\/\n        .table-responsive {\n            width: 100%;\n            overflow-x: auto;\n            -webkit-overflow-scrolling: touch;\n            margin-bottom: 25px;\n            border: 1px solid var(--border-color);\n            border-radius: 6px;\n        }\n\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            text-align: left;\n            font-size: 0.95rem;\n        }\n\n        th, td {\n            padding: 12px 15px;\n            border-bottom: 1px solid var(--border-color);\n        }\n\n        th {\n            background-color: var(--primary-color);\n            color: var(--text-light);\n            font-weight: 600;\n            white-space: nowrap;\n        }\n\n        tr:nth-child(even) { background-color: var(--bg-light); }\n\n        \/* Lists *\/\n        ul { margin-left: 20px; margin-bottom: 15px; }\n        li { margin-bottom: 8px; }\n\n        \/* Review Grid *\/\n        .reviews-grid {\n            display: grid;\n            grid-template-columns: 1fr;\n            gap: 15px;\n            margin-top: 20px;\n        }\n        @media (min-width: 768px) {\n            .reviews-grid { grid-template-columns: 1fr 1fr; }\n        }\n\n        .review-card {\n            border: 1px solid var(--border-color);\n            background-color: #FFF;\n            padding: 15px;\n            border-radius: 6px;\n            box-shadow: 0 2px 4px rgba(0,0,0,0.02);\n        }\n\n        .stars { color: var(--accent-gold); margin-bottom: 5px; }\n        .reviewer-meta { font-size: 0.8rem; color: #718096; margin-top: 10px; }\n\n        \/* FAQ Layout *\/\n        .faq-item {\n            border-bottom: 1px solid var(--border-color);\n            padding: 15px 0;\n        }\n        .faq-question {\n            font-weight: 600;\n            color: var(--primary-color);\n            margin-bottom: 8px;\n            display: flex;\n            align-items: flex-start;\n            gap: 8px;\n        }\n\n        \/* Micro-data keywords block for GEO *\/\n        .seo-keywords {\n            font-size: 0.75rem;\n            color: #A0AEC0;\n            margin-top: 40px;\n            border-top: 1px solid var(--border-color);\n            padding-top: 10px;\n        }\n    \u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003c!-- H1 Title Tag Optimized for Search Extraction --\u003e\u003cheader class=\"mb-20\"\u003e\n\u003ch1\u003eBEYOND S12M-STFPR11 Right Hand Indexable Internal CNC Lathe Boring Bar\u003c\/h1\u003e\n\u003c\/header\u003e\u003c!-- Product Operational Notice --\u003e\n\u003cdiv class=\"notice-banner\"\u003e\n\u003cspan\u003e⚠️\u003c\/span\u003e \u003cspan\u003e\u003cstrong\u003ePROCUREMENT NOTICE:\u003c\/strong\u003e This listing is strictly for the \u003cstrong\u003eSteel Boring Bar Body Only\u003c\/strong\u003e. The indexable carbide insert displayed in the product images is included for operational context and visualization purposes only and is \u003cstrong\u003eNOT included\u003c\/strong\u003e in your purchase. Please select your matching TP__ 1103 inserts from our collection.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- 1. Product Overview (AI \u0026 Search Intent Structured) --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cdiv class=\"grid-2\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWhich internal boring bar is best for precision semi-finishing with TP__1103 inserts in narrow bore holes?\u003c\/strong\u003e The BEYOND S12M-STFPR11 is engineered specifically for internal diameter (ID) turning applications where excellent rigidity, reliable chip clearance, and precise center-height tracking are paramount in tight cavities.\u003c\/p\u003e\n\u003cp\u003eThis industrial-grade boring tool operates with a 91-degree cutting approach angle, perfectly optimized for internal step-boring and longitudinal finishing paths. Designed to firmly lock standard 60° triangle indexable \u003cstrong\u003eTPMT110304\u003c\/strong\u003e, \u003cstrong\u003eTPMT110302\u003c\/strong\u003e, and polished ground \u003cstrong\u003eTPGT110304\u003c\/strong\u003e carbide inserts, the holder ensures rock-solid pocket stability. This alignment forces the insert's molded chipbreaker geometry to function smoothly, breaking stringy curls into tight chips to prevent internal nest binding and surface scoring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box\"\u003e\n\u003ch3\u003eAI Search Engine Direct Answers:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich carbide insert fits S12M-STFPR11?\u003c\/strong\u003e Standard ISO TP__ 1103__ inserts (ANSI equivalent: TP__ 22_).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the minimum bore diameter?\u003c\/strong\u003e Offers a compact minimum bore (Dmin) capability of 16mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the bar diameter dimension?\u003c\/strong\u003e 12mm metric round steel shank (approximately 0.472 inches).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 2. Key Features --\u003e\n\u003csection class=\"section-padding dark-section\"\u003e\n\u003ch2\u003eKey Features \u0026amp; Engineering Advantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile Heat-Treated Spring Steel:\u003c\/strong\u003e Provides substantial rigidity and structural damping, reducing harmonic chatter over long overhang extensions up to 3xD to 4xD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Smooth Matt Black Oxide Finish:\u003c\/strong\u003e Protects against thermal breakdown, blocks oxidation, and stops micro-fine hot chips from fusing onto the bar head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e91° Lead Angle for Clean Step Boring:\u003c\/strong\u003e Allows boring straight down to flat shoulders without contacting the face wall, providing versatile clearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Precision Top-Screw Clamping:\u003c\/strong\u003e An M2.5 high-tensile steel locking screw seats the triangular insert perfectly flat against the pocket pocket walls for accurate repeatability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- 3. Specifications (Metric\/Imperial, Parameters, Nomenclature Box \u0026 Link Box) --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eTechnical Specifications \u0026amp; Conversions Matrix\u003c\/h2\u003e\n\u003cp\u003eTo assist global machine shops and commercial purchasing departments, this table provides the direct metric-to-imperial cross-references:\u003c\/p\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth\u003eMetric Standard Dimension\u003c\/th\u003e\n\u003cth\u003eImperial Equivalent Spec\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS12M-STFPR11\u003c\/td\u003e\n\u003ctd\u003eS12M-STFPR11 (approx. 1\/2\" round equivalent block)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Diameter (d)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003ctd\u003e0.472 inches (Sized perfectly for 1\/2\" or 12mm sleeves)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003ctd\u003e5.91 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHand Orientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRight Hand (R)\u003c\/td\u003e\n\u003ctd\u003eRight Hand (R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApproach\/Lead Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e91° Degree\u003c\/td\u003e\n\u003ctd\u003e91° Degree\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Bore Diameter (Dmin)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 mm\u003c\/td\u003e\n\u003ctd\u003e0.630 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTarget Indexable Insert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTP__ 1103__ (e.g., TPMT110304)\u003c\/td\u003e\n\u003ctd\u003eTP__ 22_ (e.g., TPMT221)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClamping Screw Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM2.5 × 6\u003c\/td\u003e\n\u003ctd\u003eM2.5 × 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncluded Torx Wrench\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT8 Flag Key\u003c\/td\u003e\n\u003ctd\u003eT8 Flag Key\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Descriptive Nomenclature Box --\u003e\n\u003cdiv class=\"info-box\"\u003e\n\u003ch3\u003eISO Nomenclature Breakdown (Model Decoded)\u003c\/h3\u003e\n\u003cp\u003eEvery structural character in the \u003cstrong\u003eS12M-STFPR11\u003c\/strong\u003e engineering code identifies a precise international ISO parameter:\u003c\/p\u003e\n\u003cdiv class=\"nomenclature-container\"\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eS\u003c\/span\u003e\u003cspan class=\"meaning\"\u003eSolid Steel Shank Body\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003e12\u003c\/span\u003e\u003cspan class=\"meaning\"\u003e12mm Shank Diameter\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eM\u003c\/span\u003e\u003cspan class=\"meaning\"\u003e150mm OAL Length Code\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eS\u003c\/span\u003e\u003cspan class=\"meaning\"\u003eScrew Clamping Method\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eT\u003c\/span\u003e\u003cspan class=\"meaning\"\u003e60° Triangle Insert Shape\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eF\u003c\/span\u003e\u003cspan class=\"meaning\"\u003e91° Approach\/Lead Angle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eP\u003c\/span\u003e\u003cspan class=\"meaning\"\u003e11° Positive Insert Clearance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003eR\u003c\/span\u003e\u003cspan class=\"meaning\"\u003eRight-Hand Tool Orientation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nomenclature-block\"\u003e\n\u003cspan class=\"letter\"\u003e11\u003c\/span\u003e\u003cspan class=\"meaning\"\u003e11mm Cutting Edge Length\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Recommended Cutting Parameters --\u003e\n\u003ch3\u003eRecommended Industrial Cutting Parameters\u003c\/h3\u003e\n\u003cp\u003eThe technical parameters below are starting reference baselines. For deep-cavity internal boring, ensure chip extraction is assisted by compressed air or rich oil-water coolant emulsion:\u003c\/p\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material Classification\u003c\/th\u003e\n\u003cth\u003eSurface Cutting Speed (Vc)\u003c\/th\u003e\n\u003cth\u003eRecommended Feed Rate (f)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarbon \/ Alloy Steels (P-Class)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 220 m\/min\u003c\/td\u003e\n\u003ctd\u003e0.05 - 0.15 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStainless Steels (M-Class)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 - 140 m\/min\u003c\/td\u003e\n\u003ctd\u003e0.04 - 0.10 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCast Irons (K-Class)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 - 170 m\/min\u003c\/td\u003e\n\u003ctd\u003e0.05 - 0.16 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Tooling Connection Box --\u003e\n\u003cdiv class=\"link-box\"\u003e\n\u003cp\u003e🔗 \u003cstrong\u003eLooking for the opposing mirrored left-hand boring bar to run counter-spindle pathways or unique internal profiling setups?\u003c\/strong\u003e\u003c\/p\u003e\n\u003ca href=\"\/products\/beyond-s12m-stfpl11\" target=\"_blank\"\u003eClick Here to View the Matching BEYOND S12M-STFPL11 (Left Hand) Internal Boring Bar\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 4. Applications --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eIndustrial Fields \u0026amp; Practical Applications\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND S12M-STFPR11\u003c\/strong\u003e steel internal boring tool bar is essential for precision boring, concentric internal enlargement, and blind-hole profiling:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Aerospace Bushings:\u003c\/strong\u003e Bored IDs on complex alloy sleeves requiring consistent cylindrical geometries and tight micro-inch finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Valve Couplings:\u003c\/strong\u003e Machining internal chambers and seat stops where a crisp 90-degree step shoulder is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Machine and Tool Room Work:\u003c\/strong\u003e A versatile tool for everyday lathe operators enlarging bored holes in raw bars from a starting 16mm point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eMachinery \u0026amp; Carbide Insert Compatibility Matrix\u003c\/h2\u003e\n\u003cp\u003eThis internal tooling architecture matches seamlessly with industrial standard metalworking gear globally:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLathe Turret Clamping:\u003c\/strong\u003e Grips firmly inside standard 12mm round split boring bar sleeves, VDI turret blocks, or quick-change tool post round-holder blocks (such as AXA or larger configurations).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Standard Insert Fit:\u003c\/strong\u003e Natively accepts any international \u003cstrong\u003eTP__ 1103__ (ANSI TP__ 22_)\u003c\/strong\u003e style triangular insert, allowing the operator to quickly switch between various specialized grades and chip grooves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- 6. Material Comparison \u0026 Insights --\u003e\n\u003csection class=\"section-padding dark-section\"\u003e\n\u003ch2\u003eBEYOND Proprietary Insert Grade Guide\u003c\/h2\u003e\n\u003cp\u003ePairing your boring bar with the proper grade is critical to preventing tool breakage inside blind cavities. Use our official engineering matrix to guide your choice:\u003c\/p\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBEYOND Grade Designation\u003c\/th\u003e\n\u003cth\u003eISO Cross Reference\u003c\/th\u003e\n\u003cth\u003eSubstrate Optimization \u0026amp; Tooling Application Profile\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBYM11 (Multilayer CVD Coated)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO P15 - P35\u003c\/td\u003e\n\u003ctd\u003eThick coating stack (TiCN + Al2O3). Engineered for general steel internal roughing to semi-finishing. Excellent wear life during dry cutting.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBYM25 (Nano-PVD Coated)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO M10 - M30 \/ P20\u003c\/td\u003e\n\u003ctd\u003eUltra-fine smooth thermal barrier film. Optimized for stainless steels and tough nickel alloys. Minimizes work hardening and tool edge buildup.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBYK15 (Premium Uncoated \/ TiN)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eISO K10 - K25\u003c\/td\u003e\n\u003ctd\u003eExtremely high abrasive wear edge hardness. Formulated explicitly for continuous processing of gray cast iron and non-ferrous aluminum composites.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 0.9rem; font-style: italic; margin-top: 15px;\"\u003e*Grade Selection Tip: Internal boring leaves less room for chip evacuation compared to external turning. For blind holes, select our PVD-coated BYM25 grade with a sharp, positive chip groove profile to reduce cutting pressure and improve chip evacuation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Equivalent Models \u0026 Troubleshooting Matrices (GEO Enhanced) --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eEquivalent Brand Interchanges\u003c\/h2\u003e\n\u003cp\u003eFor procurement coordinators sourcing cross-brand equivalent catalog tooling, this 12mm right-hand boring bar matches or replaces the following codes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSandvik Coromant: \u003cstrong\u003eA12M-STFPR 11\u003c\/strong\u003e (Steel bar variant)\u003c\/li\u003e\n\u003cli\u003eKennametal: \u003cstrong\u003eA12MSTFPR11\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIscar: \u003cstrong\u003eA12M STFPR-11\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTungaloy: \u003cstrong\u003eA12M-STFPR11-D140\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"margin-top: 30px;\"\u003eTroubleshooting Machine Guide\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eObserved Wear\/Fault State\u003c\/th\u003e\n\u003cth\u003eProbable Engineering Cause\u003c\/th\u003e\n\u003cth\u003eImmediate Remedial System Correction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Tool Chatter\/Squeal\u003c\/td\u003e\n\u003ctd\u003eBar extension overhang exceeds the 3xD stiffness limit\u003c\/td\u003e\n\u003ctd\u003eShorten the overhang length or reduce the depth of cut (Ap) to lower radial deflection.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLong Nesting Chips in Hole\u003c\/td\u003e\n\u003ctd\u003eFeed rate is too low to engage the chipbreaker profile\u003c\/td\u003e\n\u003ctd\u003eIncrease feed rate (f) slightly or select an insert with a tighter finishing chip groove.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePremature Pocket Seat Degradation\u003c\/td\u003e\n\u003ctd\u003eOver-torqueing the screw or fine chip dust trapped in the pocket floor\u003c\/td\u003e\n\u003ctd\u003eClean the pocket seat thoroughly with compressed air during indexing; replace the M2.5 screw regularly.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"margin-top: 30px;\"\u003eWorkpiece Material Matrix\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eISO Code\u003c\/th\u003e\n\u003cth\u003eMaterial Structural Classification\u003c\/th\u003e\n\u003cth\u003eTool Compatibility Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #1A365D; color: white; font-weight: bold; text-align: center;\"\u003eP\u003c\/td\u003e\n\u003ctd\u003eLow\/Medium Carbon Steels, Cast Steels, Alloy Steels\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐⭐⭐ [Highly Optimized]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #2F855A; color: white; font-weight: bold; text-align: center;\"\u003eM\u003c\/td\u003e\n\u003ctd\u003eAustenitic \u0026amp; Martensitic Stainless Steel Grades\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐⭐⭐ [Excellent with BYM25 Grade]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #C53030; color: white; font-weight: bold; text-align: center;\"\u003eK\u003c\/td\u003e\n\u003ctd\u003eGray Cast Irons, Ductile \u0026amp; Malleable Alloys\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐⭐ [Highly Recommended]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"background: #D69E2E; color: white; font-weight: bold; text-align: center;\"\u003eN\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloys, Brass, Bronze, Copper Alloys\u003c\/td\u003e\n\u003ctd\u003e⭐⭐⭐⭐ [Requires Sharp Ground Inserts]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 7. Why Choose Us \u0026 Verified Global Reviews --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eWhy Professional CNC Shops Source from BEYOND\u003c\/h2\u003e\n\u003cp\u003eBEYOND is dedicated to engineering dependable, high-precision industrial tooling systems. Every internal boring tool holder is produced under tight dimensional tolerances to guarantee exact center-height alignment and seamless adherence to international ISO standards. By operating an online-first direct business model, we bypass multi-tier distributor channels to deliver premium manufacturing equipment directly to workshops and factories at highly competitive price points.\u003c\/p\u003e\n\u003ch3\u003eVerified Customer Reviews (Global Engineering Feedback)\u003c\/h3\u003e\n\u003cdiv class=\"reviews-grid\"\u003e\n\u003cdiv class=\"info-box review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\"Excellent 12mm boring bar body. Pocket clamping is precise and holds the TPMT110304 inserts perfectly. Zero chatter at a 35mm overhang depth in structural steel.\"\u003c\/p\u003e\n\u003cdiv class=\"reviewer-meta\"\u003e— Marcus T., Precision Prototyping Shop (United States)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\"Gute Stabilität für diesen Preis. The black finish stands up well to high-pressure water soluble coolant. True center line tracking makes programmatic adjustments simple.\"\u003c\/p\u003e\n\u003cdiv class=\"reviewer-meta\"\u003e— Dieter K., Hydraulic Manifold Production (Germany)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\"Bareno preciso e solido. Standard dimensions match our catalog specs. Great fit for our standard 12mm sleeves.\"\u003c\/p\u003e\n\u003cdiv class=\"reviewer-meta\"\u003e— Giovanni F., Engineering Component Shop (Italy)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\"内径加工用に購入。精度が非常に安定しています。 The T8 key locks tightly into the screw head without stripping, allowing for clean indexing inside the machine.\"\u003c\/p\u003e\n\u003cdiv class=\"reviewer-meta\"\u003e— Satoshi O., Small Parts Turning Works (Japan)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"info-box review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\"Top performance for our custom bushed sleeves production. Rigidity is excellent for a steel bar shank. Highly recommended brand.\"\u003c\/p\u003e\n\u003cdiv class=\"reviewer-meta\"\u003e— Alexander W., Contract Machining Hub (United Kingdom)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 8. AI-Style FAQ Layout --\u003e\n\u003csection class=\"section-padding\"\u003e\n\u003ch2\u003eFrequently Asked Questions (AI \u0026amp; Search Engine Optimized)\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003e💡\u003c\/span\u003e\u003cspan\u003eWhat specific indexable carbide inserts are compatible with this S12M bar?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eThis boring tool is designed to host standard ISO \u003cstrong\u003eTP__ 1103__\u003c\/strong\u003e triangle specification inserts (such as TPMT110304, TPMT110302, or TPGT110304 configurations). This corresponds to the imperial ANSI code reference \u003cstrong\u003eTP__ 22_\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003e💡\u003c\/span\u003e\u003cspan\u003eWhat accessories and spare hardware parts come bundled in the package?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eEvery single boring bar ordered includes one pre-mounted high-tensile M2.5 clamping screw and one matching T8 flag-style Torx torque wrench. Turning inserts are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003e💡\u003c\/span\u003e\u003cspan\u003eWhat is the maximum recommended boring depth ratio for this steel shank?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eBecause this tool holder is constructed from high-strength treated steel alloy, the ideal maximum rigid overhang extension ratio ranges between \u003cstrong\u003e3xOAL diameter to 4xOAL diameter\u003c\/strong\u003e (approximately 36mm to 48mm deep). For deeper cavities, carbide-core bars are recommended to limit deflection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003e\n\u003cspan\u003e💡\u003c\/span\u003e\u003cspan\u003eCan I use this right-hand boring tool bar in a standard left-hand feed program?\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eNo, this model is a dedicated \u003cstrong\u003eRight-Hand (R)\u003c\/strong\u003e tool configuration, requiring conventional spindle rotation direction and conventional right-hand tool paths. For mirrored layouts, look for model code \u003cstrong\u003eS12M-STFPL11\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Search Engine Extraction Context Fields for AI Scrapers --\u003e\n\u003cdiv class=\"seo-keywords\"\u003e\n\u003cp\u003eTarget Semantic Nodes: S12M-STFPR11, beyond indexable tooling, CNC lathe boring bar body, TPMT 110304 internal bar, 12mm right hand internal processing bar, 91 degree indexable boring tool block, metric steel lathe boring bar specs, high performance replacement lathe internal equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Structured JSON-LD Product Schema for Google Search Rich Results --\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43621404344492,"sku":"S12M-STFPR11","price":16.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/beyond-s12m-stfpr11-boring-bar-internal-turning-tool-holder.jpg?v=1779229918","url":"https:\/\/cnchome-beyond.com\/products\/beyond-s12m-stfpr11-boring-bar-internal-turning-tool-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}