{"product_id":"beyond-s12m-stwpr11-boring-bar-tpmt1103","title":"BEYOND S12M-STWPR11 Internal Turning Tool Holder for TPMR 1103 Inserts","description":"\u003c!-- Main Container - PageSpeed Insights \u0026 Core Web Vitals Optimized --\u003e\n\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 100%; margin: 0 auto; padding: 10px; box-sizing: border-box;\"\u003e\n\u003c!-- MANDATORY SELLER CLARIFICATION BANNER --\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; padding: 15px; margin-bottom: 25px; border-radius: 6px; background-color: #f9f9ff; text-align: center;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold; color: #47479f; font-size: 16px;\"\u003e⚠️ PLEASE NOTE: TOOL HOLDER ONLY (INSERTS EXCLUDED)\u003c\/p\u003e\n\u003cp style=\"margin: 5px 0 0 0; font-size: 14px; color: #555555;\"\u003eThe indexable carbide insert displayed in the boring bar images is for demonstration purposes only and is \u003cstrong\u003eNOT included\u003c\/strong\u003e in your purchase. Please browse and select your compatible TPMR 1103 or TPMN 1103 inserts separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- H1 HEADER ZONE (Brand Primary Color #47479F) --\u003e\n\u003ch1 style=\"background-color: #47479f; color: #ffffff; padding: 20px; font-size: 24px; text-align: center; border-radius: 6px; margin-top: 0; margin-bottom: 25px; font-weight: bold; letter-spacing: 0.5px;\"\u003eBEYOND S12M-STWPR11 Internal Turning Tool Holder\u003c\/h1\u003e\n\u003c!-- SECTION 1: PRODUCT OVERVIEW (GEO\/AEO AI Natural Language Format) --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f4f4f9; border-left: 4px solid #47479F; padding: 15px; border-radius: 0 6px; margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin-top: 0; font-style: italic; color: #555555; font-size: 15px;\"\u003e\u003cstrong\u003eUser Query Context:\u003c\/strong\u003e \"Which internal indexable boring bar with a 12mm shank diameter provides high-rigidity chip breaking in tight cavities using a positive triangular insert?\"\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0; font-size: 15px;\"\u003eThe \u003cstrong\u003eBEYOND S12M-STWPR11\u003c\/strong\u003e is an industrial-grade steel internal boring bar engineered for precision lathe profiling where structural stiffness is required in tight-clearance spaces. Built with a highly precise insert seat pocket, it houses 60-degree positive triangular \u003cstrong\u003eTPMR 1103\u003c\/strong\u003e or \u003cstrong\u003eTPMN 1103\u003c\/strong\u003e indexable carbide inserts. Boasting a 91° approach lead angle, this tool holder allows engineers to execute clean internal longitudinal turning and square inner step profiles. By channeling mechanical forces directly down its 12mm quenched alloy steel shank, it dampens radial vibration harmonics and prevents chip nesting inside deep internal chambers.\u003c\/p\u003e\n\u003c\/div\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;\"\u003e2. Product Key Features\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 25px; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eOptimal 12mm Shank Diameter:\u003c\/strong\u003e Offers balanced torsional rigidity for mid-to-small range inner bore processing, maximizing material removal rates in compact machining setups.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003e91° Geometric Lead Angle:\u003c\/strong\u003e Specifically tailored for longitudinal boring and stepped blind-hole profiles, offering complete clearance that eliminates tool body rubbing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eRigid Top-Down Screw Clamping System:\u003c\/strong\u003e Utilizes a high-strength insert screw layout to lock the triangular positive insert securely, maintaining center height consistency across continuous operations.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eAnti-Vibration Burnished Coating:\u003c\/strong\u003e Processed with a premium black matte surface conversion layer to resist corrosion, protect against abrasive chip friction, and enhance chip flow.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SECTION 3: SPECIFICATIONS \u0026 NOMENCLATURE DECODER --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px;\"\u003e3. Technical Specifications \u0026amp; Nomenclature\u003c\/h2\u003e\n\u003c!-- MODEL NOMENCLATURE DECODER (BOX LAYOUT) --\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 6px; padding: 15px; margin-bottom: 25px; background-color: #ffffff;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f; font-size: 16px; border-bottom: 1px dashed #47479F; padding-bottom: 5px;\"\u003eModel Designation Nomenclature Decoder\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: 13px; text-align: center; margin-top: 10px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003eSteel Shank\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003e12\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003e12mm Shank\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003e150mm Length\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003e-\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003eSeparator\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003eScrew Clamp\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003e60° Triangle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eW\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003e91° Lead Angle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eP\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003e11° Relief Angle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #47479f; font-weight: bold;\"\u003eRight Hand\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 70px; background: #f4f4f9; padding: 8px; border-radius: 4px;\"\u003e\n\u003cstrong\u003e11\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #666;\"\u003eInsert Size\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- METRIC VS INCH COMPARISON TABLE --\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; min-width: 500px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eSpecification (Metric)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMetric Value\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eANSI \/ Inch Reference\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eInch Value Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eS12M-STWPR11\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e\u003cstrong\u003eANSI Standard Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eA08M-STWPR3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eShank Diameter (d)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e12 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eShank Diameter (Inch)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.472\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e\u003cstrong\u003eOverall Length (L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e150 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e\u003cstrong\u003eOverall Length (Inch)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e5.91\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eMinimum Bore (D min)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e16 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eMinimum Bore (Inch)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.630\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e\u003cstrong\u003eCompatible Insert\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eTPMR 1103.. \/ TPMN 1103..\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e\u003cstrong\u003eANSI Insert Standard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eTPMR 22.. \/ TPMN 22..\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- CUTTING PARAMETERS TABLE --\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; margin-top: 20px;\"\u003eRecommended Cutting Parameters\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; min-width: 500px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #e9e9f4; color: #47479f;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMaterial Classification\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eFeed Rate (f)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eDepth of Cut (ap)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCarbon Steels \/ Mild Alloys (P)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e110 - 220 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.05 - 0.18 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.15 - 1.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eStainless Steel Alloys (M)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e75 - 150 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e0.05 - 0.12 mm\/rev\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003e0.10 - 1.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- INTERNAL INSERT LINKING (BOX LAYOUT) --\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 6px; padding: 15px; margin-bottom: 25px; text-align: center; background-color: #f9f9ff;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 15px; color: #333;\"\u003eLooking for matching high-durability positive triangular inserts?\u003c\/p\u003e\n\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background-color: rgb(71, 71, 159); padding: 10px 20px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; border-radius: 4px;\"\u003e\u003cb\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=TPMT1103\" target=\"_blank\" rel=\"noopener\"\u003e🛒 Shop Compatible TPMR 1103 Carbide Inserts Collection \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;\"\u003e4. Product Applications\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003eThe S12M-STWPR11 tool holder excels across mid-to-small range internal lathe applications:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 25px; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eCore Boring Operations:\u003c\/strong\u003e Designed for finishing pre-drilled inside passages down to 16mm ($D\\min$) with zero taper deviations.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSquaring Blind Back-Shoulders:\u003c\/strong\u003e The 91° lead configuration allows easy face relief cuts and clean inside corners without tool dragging.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eSpecialized Component Manufacturing:\u003c\/strong\u003e Ideal for machining precision hydraulic valve bodies, custom brass sleeves, automotive fasteners, and localized job-shop assignments.\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;\"\u003e5. Compatibility Guide\u003c\/h2\u003e\n\u003cul style=\"padding-left: 20px; margin-bottom: 25px; font-size: 15px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eMachine Tool Mounting:\u003c\/strong\u003e Mounts firmly in standard CNC turrets using 12mm round block adapters, or split sleeves matching standard metric setups.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eInsert Standardization Compliance:\u003c\/strong\u003e Fully universally compatible with standard positive triangular indexable elements with 11° clearance, such as TPMR 110302, TPMR 110304, or TPMN 110304.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SECTION 6: MATERIAL GRADE COMPARISON --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px;\"\u003e6. BEYOND Premium Grade Comparison Matrix\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003eSelect the optimized BEYOND triangular insert grade pairing matching your workpiece alloy material matrix:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px; text-align: left; min-width: 500px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: white;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eBEYOND Grade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCoating Array\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003ePrimary Workpiece Target\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eFriction \u0026amp; Wear Resist\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; color: #47479f;\"\u003e\u003cstrong\u003eBY8150\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eNano-Structured PVD TiAlN\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eUniversal Steels, Carbon Alloys \u0026amp; Cast Iron Finishes\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eHigh thermal resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd; color: #47479f;\"\u003e\u003cstrong\u003eBY8200\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eThick CVD TiCN + Al2O3 Layer\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eContinuous Steel Roughing \u0026amp; High-Speed Automated Runs\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; background-color: #fdfdfd;\"\u003eSuperior crater wear defense\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; color: #47479f;\"\u003e\u003cstrong\u003eBY9030\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eHigh-Alloy PVD AlTiCrN\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e300\/400-Series Stainless Steels, Titanium, \u0026amp; Superalloys\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eAnti-built-up edge (BUE)\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 REVIEWS --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px;\"\u003e7. Why Choose BEYOND CNC Tools\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px;\"\u003eBEYOND designs industrial tooling that solves precise dimension spacing limits without sacrificing structural density. Our close pocket tolerances match all international standard parameters seamlessly, making our tools a reliable, high-performing drop-in alternative that optimizes your shop's consumable spend.\u003c\/p\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; margin-top: 20px; margin-bottom: 15px;\"\u003eVerified Global Customer Reviews\u003c\/h3\u003e\n\u003c!-- REVIEWS BOX GRID --\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; margin-bottom: 25px;\"\u003e\n\u003c!-- Review 1: USA --\u003e\n\u003cdiv style=\"border: 1px solid #dddddd; padding: 15px; border-radius: 6px; background-color: #ffffff; box-shadow: 0 2px 4px rgba(0,0,0,0.02);\"\u003e\n\u003cdiv style=\"color: #ffb400; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; font-size: 14px;\"\u003e\"Excellent Rigidity for 12mm\"\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 13px; color: #555555;\"\u003eFits perfectly in our small CNC turret block. Holds tight tolerances on internal shoulders without any chatter issues.\u003c\/p\u003e\n\u003cspan style=\"font-size: 12px; color: #999999;\"\u003e— Ronald P., United States 🇺🇸\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Review 2: Germany --\u003e\n\u003cdiv style=\"border: 1px solid #dddddd; padding: 15px; border-radius: 6px; background-color: #ffffff; box-shadow: 0 2px 4px rgba(0,0,0,0.02);\"\u003e\n\u003cdiv style=\"color: #ffb400; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; font-size: 14px;\"\u003e\"Hervorragende Qualität\"\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 13px; color: #555555;\"\u003eThe pocket matches standard TPMR inserts exactly. Torx screw holds down firmly under constant coolant spray. Highly recommended.\u003c\/p\u003e\n\u003cspan style=\"font-size: 12px; color: #999999;\"\u003e— Stefan K., Germany 🇩🇪\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Review 3: Italy --\u003e\n\u003cdiv style=\"border: 1px solid #dddddd; padding: 15px; border-radius: 6px; background-color: #ffffff; box-shadow: 0 2px 4px rgba(0,0,0,0.02);\"\u003e\n\u003cdiv style=\"color: #ffb400; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; font-size: 14px;\"\u003e\"Ottimo per finitura interna\"\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 13px; color: #555555;\"\u003eAchieved an exceptional internal surface finish on 316 stainless steel. The 91-degree angle eliminates chip friction marks.\u003c\/p\u003e\n\u003cspan style=\"font-size: 12px; color: #999999;\"\u003e— G. Vincenzo, Italy 🇮🇹\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c!-- Review 4: Japan --\u003e\n\u003cdiv style=\"border: 1px solid #dddddd; padding: 15px; border-radius: 6px; background-color: #ffffff; box-shadow: 0 2px 4px rgba(0,0,0,0.02);\"\u003e\n\u003cdiv style=\"color: #ffb400; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; font-size: 14px;\"\u003e\"高い安定性\"\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 13px; color: #555555;\"\u003eVery low chatter signature. The heat-treated alloy steel construction handles precision boring cuts perfectly.\u003c\/p\u003e\n\u003cspan style=\"font-size: 12px; color: #999999;\"\u003e— Akira S., Japan 🇯🇵\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- SECTION 8: AI-STYLE FAQ --\u003e\n\u003ch2 style=\"color: #47479f; border-bottom: 2px solid #47479F; padding-bottom: 8px; font-size: 20px; margin-top: 30px;\"\u003e8. Expert Engineering FAQ\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 15px; background: #ffffff; border: 1px solid #dddddd; padding: 15px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #47479f; font-size: 15px;\"\u003e❓ Q1: What is the minimum bore diameter required for the S12M-STWPR11?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #444;\"\u003e💡 \u003cstrong\u003eA:\u003c\/strong\u003e The structural minimum bore diameter ($D\\min$) for this tool holder is 16mm (0.630\"). Attempting to enter tighter cavities will cause the flank of the tool steel holder to rub against the internal radius of the workpiece.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; background: #ffffff; border: 1px solid #dddddd; padding: 15px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #47479f; font-size: 15px;\"\u003e❓ Q2: What is the maximum safe working overhang for this steel boring bar?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #444;\"\u003e💡 \u003cstrong\u003eA:\u003c\/strong\u003e For solid alloy steel tool shanks, the maximum recommended overhang projection limit is 3 times the diameter ($12\\text{ mm} \\times 3 = 36\\text{ mm}$). Exceeding this length increases radial elasticity and may introduce harmonic surface vibrations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; background: #ffffff; border: 1px solid #dddddd; padding: 15px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #47479f; font-size: 15px;\"\u003e❓ Q3: Can I fit standard 11-size triangular inserts from other ISO brands into this pocket?\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #444;\"\u003e💡 \u003cstrong\u003eA:\u003c\/strong\u003e Yes. The insert seat pocket is precision machined to comply with standard ISO\/ANSI specifications. Any standard TPMR 1103.. or TPMN 1103.. positive triangular insert will fit smoothly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- BOTTOM UTILITY BLOCK: MAINTENANCE \u0026 TECHNICAL DATA --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 20px; border-radius: 6px; margin-top: 35px; font-size: 14px;\"\u003e\n\u003ch4 style=\"margin-top: 0; color: #ffffff; font-size: 16px; border-bottom: 1px dashed rgba(255,255,255,0.4); padding-bottom: 5px;\"\u003e💡 Technical Troubleshooting \u0026amp; Cross-Reference Tips\u003c\/h4\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003e\u003cstrong\u003eEquivalent Model Cross-Reference Guide:\u003c\/strong\u003e Sandvik Coromant: A12M-STWPR11 | ISCAR: A12M-STWPR-11 | Kennametal: A12MSTWPR11D | Walter Tools: A12M-STWPR11\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 10px;\"\u003e\u003cstrong\u003eManaging Long Stringy Chips:\u003c\/strong\u003e If you observe ribbon-like metal nesting around the tool shank inside deep holes, increase your feed rate ($f$) or select a highly ground, positive geometric chipbreaker insert to snap the chips into tight, manageable curls.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0; font-weight: 300; font-size: 12px; opacity: 0.85;\"\u003eAll BEYOND professional tooling components undergo meticulous dimensional inspection before shipment. Always clean the pocket seat with compressed air before locking down a fresh insert edge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43621931483308,"sku":"S12M-STWPR11","price":16.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND-S12M-STWPR11-internal-turning-tool-holder-boring-bar-CNC-lathe.jpg?v=1780128029","url":"https:\/\/cnchome-beyond.com\/products\/beyond-s12m-stwpr11-boring-bar-tpmt1103","provider":"CNCHome-Beyond","version":"1.0","type":"link"}