{"product_id":"d07k-stubr06-internal-boring-bar","title":"BEYOND D07K-STUBR06 Spring Steel Internal Boring Bar \u0026 Turning Tool Holder | Miniature CNC Boring Tool for TBGT060102 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 D07K-STUBR06 Spring 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 Miniature Internal Boring \u0026amp; Profile 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 TBGT060102 triangle carbide turning 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 D07K-STUBR06 is a high-rigidity spring steel miniature internal boring bar engineered for ultra-precise micro CNC lathe turning, internal profiling, and small-bore finishing operations. Utilizing TBGT060102 triangular carbide inserts, it delivers superior vibration damping, exact dimensional tolerance control, and clean chip evacuation 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 miniature internal boring bar provides maximum vibration dampening and rigid insert clamping for micro-diameter turning and profiling operations using TBGT060102 inserts?\"\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 16px; font-size: 14px;\"\u003eThe \u003cstrong\u003eBEYOND D07K-STUBR06\u003c\/strong\u003e spring steel miniature internal boring bar (frequently searched as micro internal turning tool, CNC boring bar, and internal profile tool holder) is engineered specifically for high-precision machining inside small pre-drilled micro-bores. Forged from premium \u003cstrong\u003e60Si2Mn spring steel\u003c\/strong\u003e, the slim bar body offers outstanding elastic modulus and damping characteristics to suppress harmonic vibration when working with high-overhang ratios. The precision-ground screw pocket securely locks \u003cstrong\u003eTBGT060102 triangular inserts\u003c\/strong\u003e, ensuring absolute positional repeatability and mirror-finish bore walls.\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;\"\u003eD\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003e55° Triangle Insert Profile \/ Clamping\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;\"\u003e07\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eShank Diameter Code (approx. 7mm \/ 0.276\")\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;\"\u003eK\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eTool Length Code (125mm)\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;\"\u003eSolid Steel \/ Spring Steel Body Construction\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;\"\u003eTriangle Insert Shape (60° 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;\"\u003eU\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003e7° Relief Angle \/ Clearance Code\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;\"\u003eB\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;\"\u003eR\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eRight-Handed Tool Style\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;\"\u003e06\u003c\/strong\u003e\u003cspan style=\"font-size: 10px; color: #4a5568;\"\u003eInsert Size Index (Inscribed Circle 6.35mm \/ 06 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 micro boring bar sizes or holder configurations?\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=TBGT060102L\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e[ View Complete BEYOND Miniature Boring Tool Catalog ] →\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Section 2: Key Features --\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. Key Features\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\u003eMicro-Diameter Spring Steel Body:\u003c\/strong\u003e Forged from hardened 60Si2Mn spring steel to provide optimum deflection resistance and dampening in tight internal bores.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003ePrecision TBGT Pocket Fit:\u003c\/strong\u003e Custom-milled screw clamping interface matched precisely for TBGT060102 triangular inserts, locking the cutting edge tightly against high-frequency micro cutting vectors.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eClearance Optimized Geometry:\u003c\/strong\u003e Streamlined head profile allows smooth entry and egress in small diameter blind and through-holes.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eHigh Dimensional Repeatability:\u003c\/strong\u003e Maintains strict micro-tolerance consistency over extended operational campaigns.\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;\"\u003eMetric Specification\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #CBD5E0; text-align: left;\"\u003eImperial 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 Diameter (D)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003e7.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eApprox. 0.276\" (9\/32\")\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;\"\u003e125 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003e4.92\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eMinimum Bore Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003e9.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eApprox. 0.354\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eCompatible Insert Model\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eTBGT060102\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #E2E8F0;\"\u003eTriangle 06 Series Standard\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 (TBGT060102 Insert) - 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 (f, mm\/rev)\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;\"\u003e90 - 160 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003e0.02 - 0.06 mm\/rev\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;\"\u003e60 - 110 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003e0.015 - 0.05 mm\/rev\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;\"\u003e80 - 140 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #E2E8F0;\"\u003e0.025 - 0.07 mm\/rev\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\u003eMiniature Bore Finishing \u0026amp; Sizing:\u003c\/strong\u003e High-precision internal diameter expansion and finishing on small CNC lathe parts.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eInternal Profiling \u0026amp; Tapering:\u003c\/strong\u003e Executing delicate internal contouring, steps, and chamfers in small components.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eInstrument \u0026amp; Medical Component Machining:\u003c\/strong\u003e Producing precise micro-bores for precision mechanical assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Injector \u0026amp; Valve Body Fabrication:\u003c\/strong\u003e Strict tolerance adherence in tight internal clearance spaces.\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\u003eTBGT060102\u003c\/strong\u003e micro triangular indexable carbide inserts.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eTool Holding:\u003c\/strong\u003e Mounts securely into 7mm split micro boring bar sleeves, Swiss lathe guide bushings, and micro tool holder blocks.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin: 0;\"\u003e\u003cstrong\u003eClamping Hardware:\u003c\/strong\u003e Fitted with high-precision miniature Torx\/hex locking screws designed to secure tiny inserts without stripping.\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: 60Si2Mn Spring Steel vs. Standard Carbon Steel\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eMicro-Vibration Suppression:\u003c\/strong\u003e Spring steel absorbs micro-harmonic feedback much faster than standard carbon steel, preventing chatter ripples in small bores.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 10px;\"\u003e\u003cstrong\u003eDeflection Resistance:\u003c\/strong\u003e High yield strength minimizes tool tip bending under radial cutting loads in high-overhang micro setups.\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 14px;\"\u003e\u003cstrong\u003eFatigue Endurance:\u003c\/strong\u003e Preserves clamping tension and structural stability over intensive continuous production runs.\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 5608 Manufacturing Standards:\u003c\/strong\u003e Certified production lines ensuring rigorous compliance with international micro-tool mechanical tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Factory Pricing:\u003c\/strong\u003e Premium 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 feed rates, speeds, and micro 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 D07K-STUBR06 package include the TBGT060102 insert?\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin-top: 0; margin-bottom: 14px; color: #e2e8f0;\"\u003eA: No. To allow complete grade flexibility depending on your specific workpiece material and coating needs, the TBGT insert is sold separately.\u003c\/p\u003e\n\u003cp style=\"color: #90cdf4; font-weight: 600; margin-bottom: 4px;\"\u003eQ: What is the minimum acceptable pre-drilled bore diameter for this 7mm bar?\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin-top: 0; margin-bottom: 14px; color: #e2e8f0;\"\u003eA: The minimum recommended bore diameter for this tool is 9.0mm to provide proper clearance for chip evacuation and bar body entry.\u003c\/p\u003e\n\u003cp style=\"color: #90cdf4; font-weight: 600; margin-bottom: 4px;\"\u003eQ: Is this tool suitable for general external turning operations?\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; margin-top: 0; margin-bottom: 0; color: #e2e8f0;\"\u003eA: No. This D07K-STUBR06 model is specifically engineered for internal micro-boring and turning; please refer to our external tool catalog for outer diameter work.\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 micro carbide grades offer superior edge toughness for stainless steel internal boring; CVD-coated grades perform exceptionally well in high-speed alloy steel finishing.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 8px 0;\"\u003e\u003cstrong\u003eEquivalent Models:\u003c\/strong\u003e Fully cross-compatible with universal modular micro 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 Chatter marks or poor surface finish in small bores typically indicate excessive overhang beyond the recommended 4:1 length-to-diameter ratio; reduce feed rate or use a solid carbide shank bar.\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 5608 Tool Holder Standards\u003c\/strong\u003e and certified 60Si2Mn spring steel specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"OYYU\/BEYOND","offers":[{"title":"Default Title","offer_id":40764249211052,"sku":"D07K-STUBR06","price":14.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_D07K-STUBR06_spring_steel_miniature_internal_boring_bar_overview.jpg?v=1787647846","url":"https:\/\/cnchome-beyond.com\/products\/d07k-stubr06-internal-boring-bar","provider":"CNCHome-Beyond","version":"1.0","type":"link"}