{"product_id":"h08j-stwcr09-hss-internal-turning-bar-8x110mm-tcmt0902","title":"BEYOND H08J-STWCR09 High-Speed Steel Internal Boring Bar \u0026 Turning Tool Holder | CNC Lathe Machining Tool for TCMT090204 Inserts (Insert Not Included)","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; color: #2d3748; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 15px; box-sizing: border-box; -webkit-user-select: text; user-select: text;\"\u003e\n\u003c!-- H1 Banner Header --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 28px 20px; border-radius: 8px; text-align: center; margin-bottom: 24px; box-shadow: 0 4px 6px rgba(0,0,0,0.07);\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 24px; line-height: 1.3; font-weight: bold; color: #ffffff;\"\u003eBEYOND H08J-STWCR09 High-Speed Steel Internal Boring Bar \u0026amp; Turning Tool Holder (Does Not Include Inserts)\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0 0; color: #e2e8f0; font-size: 15px; font-weight: 400;\"\u003eIndustrial-Grade High-Speed Steel Internal Profile Boring \u0026amp; Turning Bar for CNC Lathes\u003c\/p\u003e\n\u003cp style=\"margin: 12px 0 0 0; background-color: rgba(255, 255, 255, 0.15); color: #ffffff; display: inline-block; padding: 6px 14px; border-radius: 4px; font-size: 13px; font-weight: 600;\"\u003e⚠️ Component Setup Notice: All product illustrations and technical renderings displaying an indexable carbide insert are strictly for assembly demonstration. The matching TCMT090204 indexable carbide insert is NOT included with this tool holder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- GEO \/ AEO Summary Block --\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #E2E8F0; border-left: 5px solid #47479F; padding: 16px; border-radius: 6px; margin-bottom: 24px;\"\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #4a5568; line-height: 1.5;\"\u003e\u003cstrong\u003eAEO Quick Answer:\u003c\/strong\u003e The BEYOND H08J-STWCR09 is a high-rigidity \u003cstrong\u003ehigh-speed steel (HSS)\u003c\/strong\u003e internal boring bar engineered for precision CNC internal turning and profiling operations utilizing 1\/2-inch shank geometry and 90-degree lead angle configurations. Configured to accommodate \u003cstrong\u003eTCMT090204 indexable carbide inserts\u003c\/strong\u003e, this high-speed steel tool holder delivers exceptional vibration damping, maximum deflection resistance, and strict dimensional tolerances across ISO P, M, and K workpiece classifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section 1: Product Overview --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #E2E8F0; border-radius: 8px; padding: 24px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; margin-bottom: 16px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cp style=\"background-color: #f7fafc; padding: 14px; border-left: 4px solid #47479F; margin-top: 0; margin-bottom: 16px; font-style: italic; color: #2d3748; font-size: 14px;\"\u003e\"Which high-speed steel internal boring bar ensures absolute dimensional stability, minimal overhang deflection, and pristine surface finish during deep bore turning operations using TCMT090204 inserts?\"\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px; font-size: 14px;\"\u003eThe \u003cstrong\u003eBEYOND H08J-STWCR09\u003c\/strong\u003e \u003cstrong\u003ehigh-speed steel\u003c\/strong\u003e internal boring bar (frequently searched as HSS internal turning tool holder, CNC boring bar, and TCMT turning bar) is expertly engineered to handle intense radial and axial cutting forces inside pre-bored components requiring a 1\/2-inch shank combined with a 90-degree approach angle. Forged from premium \u003cstrong\u003ehigh-speed steel (HSS)\u003c\/strong\u003e with specialized thermal hardening, the robust shank body absorbs high harmonic cutting loads to eliminate chatter in demanding deep-bore environments. The secure screw-down clamp pocket is precision-milled for \u003cstrong\u003eTCMT090204 indexable carbide inserts\u003c\/strong\u003e, ensuring exact 7-degree positive clearance angles and consistent chip control.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #2d3748; margin-top: 20px; margin-bottom: 12px; font-weight: 600;\"\u003eISO Model Designation Breakdown\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eH\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eHigh-Speed Steel Body \/ Heavy Duty Tool Material\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003e08\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eShank Diameter Designation (1\/2\" \/ 12.7mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eJ\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eTool Length Code (Approx. 110mm Overall Length)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eS\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eScrew-Down Clamping System\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eT\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eTriangular 60° Insert Shape\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eW\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003e90° Approach \/ Lead Angle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eC\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003e7° Positive Relief Clearance Angle\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003eR\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eRight-Handed Cutting Orientation\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 50px; background-color: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 13px;\"\u003e09\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eInsert Size Index (TCMT 0902XX Series)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; border-radius: 8px; padding: 20px; text-align: center; margin-top: 20px; background-color: #fafbfd;\"\u003e\n\u003cp style=\"margin: 0 0 12px 0; font-size: 14px; font-weight: 500; color: #2d3748;\"\u003eNeed alternative STWCR high-speed steel boring bar sizes or lengths?\u003c\/p\u003e\n\u003cdiv style=\"display: inline-block; background-color: #47479f; border-radius: 6px; padding: 10px 20px;\"\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=TCMT090204\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cb\u003e[ View Complete BEYOND STWCR Tool Catalog ] →\u003c\/b\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 2: Product Core Advantages --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #E2E8F0; border-radius: 8px; padding: 24px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; margin-bottom: 16px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e2. Product Core Advantages\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #4a5568; font-size: 14px;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh-Speed Steel Rigidity:\u003c\/strong\u003e Premium HSS construction provides superior vibration dampening and minimal deflection during extended overhang boring operations.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003ePrecision Screw-Down Clamping:\u003c\/strong\u003e Locks TCMT090204 indexable inserts securely against locating pads, preventing micro-shifting under heavy interrupted cuts.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eOptimized 90° Lead Angle:\u003c\/strong\u003e Enables efficient square shoulder boring, internal profiling, and facing right up to internal corner walls.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh Dimensional Repeatability:\u003c\/strong\u003e Precision ground locating surfaces permit rapid insert indexing without center height adjustment loss.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section 3: Technical Specifications \u0026 Cutting Parameters --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #E2E8F0; border-radius: 8px; padding: 24px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; margin-bottom: 16px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e3. Technical Specifications \u0026amp; Cutting Parameters\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; text-align: left; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #CBD5E0; text-align: left;\"\u003eTechnical Parameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #CBD5E0; text-align: left;\"\u003eImperial Specification\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #CBD5E0; text-align: left;\"\u003eMetric Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eShank Material \u0026amp; Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eHigh-Speed Steel | 1\/2\" (H08)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eHSS | 12.7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eOverall Length (L)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eApprox. 4.33\" (J designation)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003e110.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eCompatible Insert Size\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eTCMT 0902 Series\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eTriangular 7° Positive Insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eHand Orientation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eSTWCR (Right-Handed)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eRight Hand Internal Boring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"font-size: 15px; color: #2d3748; margin-top: 15px; margin-bottom: 10px;\"\u003eRecommended Cutting Parameters (TCMT090204 Inserts) - Dual-Column Reference\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px; text-align: left;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #2d3748; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #CBD5E0; text-align: left;\"\u003eWorkpiece Material Group\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #CBD5E0; text-align: left;\"\u003eCutting Speed (Vc, m\/min)\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #CBD5E0; text-align: left;\"\u003eFeed Rate (fn, mm\/rev) \u0026amp; Depth (ap)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003eISO P (Carbon \u0026amp; Alloy Steel)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003e110 - 200 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003efn: 0.05 - 0.20 mm\/rev | ap: 0.3 - 2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003eISO M (Stainless Steel)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003e80 - 150 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003efn: 0.04 - 0.15 mm\/rev | ap: 0.2 - 1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003eISO K (Cast Iron)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003e100 - 180 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003efn: 0.08 - 0.25 mm\/rev | ap: 0.4 - 2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Section 4: Applications --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #E2E8F0; border-radius: 8px; padding: 24px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; margin-bottom: 16px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e4. Product Applications\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #4a5568; font-size: 14px;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eInternal Profile Boring:\u003c\/strong\u003e Precision finishing and semi-finishing of internal diameters in cylindrical workpieces using robust HSS tool holders.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eShoulder \u0026amp; Face Turning:\u003c\/strong\u003e Utilizing the 90-degree lead angle to square internal steps and face internal shoulders cleanly.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAutomotive \u0026amp; Aerospace Components:\u003c\/strong\u003e High-tolerance internal bore machining in gear blanks, hydraulic valves, and tubular housings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section 5: Compatibility --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #E2E8F0; border-radius: 8px; padding: 24px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; margin-bottom: 16px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e5. Compatibility \u0026amp; Accessories\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eInsert Compatibility:\u003c\/strong\u003e Universal matching compliance with industry-standard \u003cstrong\u003eTCMT090204\u003c\/strong\u003e triangular indexable carbide inserts.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eTool Holding:\u003c\/strong\u003e Fits smoothly into 1\/2-inch boring bar sleeves, split clamping bushings, and CNC lathe turret boring stations.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin: 0;\"\u003e\u003cstrong\u003eClamping Hardware:\u003c\/strong\u003e Equipped with premium TORX screws and clamping elements designed to lock inserts securely under high radial cutting stress.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section 6: Material Comparison --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #E2E8F0; border-radius: 8px; padding: 24px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; margin-bottom: 16px; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e6. Material Comparison: High-Speed Steel (HSS) vs. Standard Carbon Steel\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eDeflection Resistance:\u003c\/strong\u003e High-speed steel construction offers superior rigidity over standard carbon steel, drastically reducing chatter during deep bore overhangs.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eThermal Stability:\u003c\/strong\u003e Maintains tighter dimensional tolerances under sustained high-speed production runs.\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003e\u003cstrong\u003eWear Endurance:\u003c\/strong\u003e Resists fretting corrosion and pocket wear inside turret clamping interfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Section 7: Why Choose Us --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; border-radius: 8px; padding: 24px; margin-bottom: 24px; box-shadow: 0 2px 4px rgba(0,0,0,0.05);\"\u003e\n\u003ch2 style=\"color: #ffffff; font-size: 20px; margin-top: 0; margin-bottom: 16px;\"\u003e7. Why Choose BEYOND Tooling?\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #f8fafc; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 5,608 Manufacturing Standards:\u003c\/strong\u003e Certified production lines ensuring rigorous compliance with international boring bar tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Factory Pricing:\u003c\/strong\u003e Premium high-speed steel metallurgical performance supplied directly without intermediate distributor markups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert Technical Support:\u003c\/strong\u003e Professional machinists ready to help configure internal turning parameters and insert grades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Section 8: AI-style FAQ --\u003e\n\u003cdiv style=\"background-color: #1a1a2e; color: #ffffff; padding: 24px; border-radius: 8px; margin-bottom: 24px;\"\u003e\n\u003ch2 style=\"color: #ffffff; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e8. Frequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"color: #90cdf4; font-weight: 600; margin-bottom: 4px;\"\u003eQ: Does the BEYOND H08J-STWCR09 high-speed steel boring bar include the TCMT090204 insert?\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin-top: 0; margin-bottom: 14px; color: #e2e8f0;\"\u003eA: No. To allow complete grade and chipbreaker flexibility for your specific workpiece material, the TCMT insert is sold separately.\u003c\/p\u003e\n\u003cp style=\"color: #90cdf4; font-weight: 600; margin-bottom: 4px;\"\u003eQ: What is the exact shank material and diameter of this tool holder?\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin-top: 0; margin-bottom: 14px; color: #e2e8f0;\"\u003eA: It is manufactured from high-speed steel (HSS) with a 1\/2-inch shank diameter (designated by H08, approximately 12.7 mm), designed for standard lathe boring bar sleeves.\u003c\/p\u003e\n\u003cp style=\"color: #90cdf4; font-weight: 600; margin-bottom: 4px;\"\u003eQ: What insert geometry is compatible with this holder?\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin-top: 0; margin-bottom: 0; color: #e2e8f0;\"\u003eA: This model is engineered specifically for TCMT 0902 series triangular 7-degree positive clearance indexable inserts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Footer Technical Notes \u0026 Tips --\u003e\n\u003cdiv style=\"font-size: 12px; color: #718096; border-top: 1px solid #E2E8F0; padding-top: 16px;\"\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cstrong\u003eGrade Comparison:\u003c\/strong\u003e PVD coated carbide grades provide exceptional edge toughness for stainless steel internal turning; CVD coated grades offer superior crater wear resistance in carbon and alloy steels.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cstrong\u003eEquivalent Models:\u003c\/strong\u003e Fully cross-compatible with universal modular internal boring systems adhering to strict ISO \/ ANSI manufacturing standards.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e Excessive chatter or poor surface finish in deep bores usually indicates excessive overhang ratio or worn insert nose radius; reduce feed rate or shorten bar stickout.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cstrong\u003eWorkpiece Material Matrix:\u003c\/strong\u003e Fully performance-optimized for ISO P, ISO M, and ISO K industrial material classifications.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eAuthoritative Endorsement:\u003c\/strong\u003e Dimensional parameters and structural tolerances benchmarked against \u003cstrong\u003eISO 5,608 Tool Holder Standards\u003c\/strong\u003e and certified high-speed steel (HSS) specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"OYYU\/BEYOND","offers":[{"title":"Default Title","offer_id":43682480095404,"sku":"H08J-STWCR09","price":22.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_H08J-STWCR09_high_speed_steel_internal_boring_bar_layout.jpg?v=1787725610","url":"https:\/\/cnchome-beyond.com\/products\/h08j-stwcr09-hss-internal-turning-bar-8x110mm-tcmt0902","provider":"CNCHome-Beyond","version":"1.0","type":"link"}