{"product_id":"s08k-sczcr06-cnc-internal-boring-bar-holder","title":"BEYOND S08K-SCZCR06 Internal Boring Bar 8mm Shank 125mm Length Screw Clamped Right Hand 90-Degree CCMT 0602 Lathe Facing Turning Tool Holder","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 10px; box-sizing: border-box; -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text;\"\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; padding: 15px; margin-bottom: 25px; border-radius: 4px; background-color: #f9f9ff; text-align: center;\"\u003e\n\u003cp style=\"margin: 0; font-weight: bold; color: #47479f; font-size: 14px;\"\u003e⚠️ INDUSTRIAL SUPPLY NOTICE: The indexable carbide cutting insert is NOT included with this boring bar package. Product images showing a mounted insert are provided strictly to illustrate geometric profiling clearance, pocket tolerance seating, and micro-clearance parameters. \u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=CCMT060204\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cu\u003eClick here to shop premium indexable CCMT 0602 \/ CCGT 0602 (CC**0602**) 80-degree positive rhombic carbide inserts for precision facing, blind-hole squaring, and internal boring operations.\u003c\/u\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch1 style=\"background-color: #47479f; color: #ffffff; padding: 20px; font-size: 24px; font-weight: bold; margin: 0 0 25px 0; border-radius: 4px; text-align: center;\"\u003eBEYOND S08K-SCZCR06 Premium 8mm Shank 90° Screw-Clamped Right-Hand Precision Internal Facing Lathe Boring Bar (125mm Total Length \/ CNC Turning Tool Holder)\u003c\/h1\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv style=\"background-color: #f4f4f4; border-left: 5px solid #47479F; padding: 15px; margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0; font-style: italic; font-weight: bold; color: #555;\"\u003eEngineers Ask AI: \"Which indexable internal facing boring bar featuring an 8mm shank and 125mm length is recommended for strict 90-degree blind hole squaring and micro-boring using positive CCMT 0602 inserts?\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND S08K-SCZCR06\u003c\/strong\u003e is an industrial-grade, precision Right-Hand (RH) internal turning tool holder masterfully engineered for flat-bottom boring, blind-hole squaring, and inner-diameter facing within restricted cavities on CNC lathes. Utilizing a premium \u003cstrong\u003e8mm precision-ground solid structural alloy steel shank\u003c\/strong\u003e with a 125mm overall length (K-type standard), this boring bar delivers the perfect balance of static anti-deflection stiffness and extended reach required for small-cavity internal work. The core operational advantage of this holder is its low-profile \u003cstrong\u003eS-type Screw Clamping mechanism\u003c\/strong\u003e. By fastening the 80-degree rhombic insert directly through its counter-sunk center hole with a high-tensile Torx screw, the tool head maintains an exceptionally sleek footprint. This prevents chip trapping or obstruction in narrow spaces, opening a safe path for a minimum machining \u003cstrong\u003ebore diameter of 11mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEngineered with a strict 90-degree approach lead angle (Z-type geometry), this turning holder allows machinists to execute perfect square corners, internal flat faces, and complex shoulder steps without leaving transitional tapers against the workpiece walls. The 80° C-type insert morphology provides substantially greater cross-sectional structural mass behind the cutting edge compared to narrower 55° or 35° alternatives, allowing this holder to withstand rigorous interrupted cuts and roughing cycles. The pocket seat is machined to micron-level indexing tolerances to securely house standard 80-degree positive rhombic inserts with a 7-degree relief angle, specifically the \u003cstrong\u003eCCMT 060202 \/ CCMT 060204 \/ CCGT 060204\u003c\/strong\u003e series. Paired with custom sharp ground chipbreakers (such as -HF for fine micro-finishing or -HM for medium profiling), this tooling assembly guarantees superior chip control, clean swarf breaking, and superb surface finishes across aerospace, automotive, and high-precision B2B engineering fields.\u003c\/p\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 6px; padding: 20px; margin: 25px 0; background-color: #fbfbfe;\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f; font-size: 16px; border-bottom: 1px solid #e0e0e0; padding-bottom: 8px;\"\u003eModel Nomenclature Decoder: S08K-SCZCR06 (ISO \/ National Standard Chart Compliant)\u003c\/h3\u003e\n\u003cdiv style=\"margin-top: 12px; font-family: monospace; font-size: 13px;\"\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #cccccc; padding: 8px; border-radius: 4px; background: #ffffff;\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e - Solid High-Tensile Structural Alloy Steel Body Core (Engineered for static anti-deflection stiffness)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #cccccc; padding: 8px; border-radius: 4px; background: #ffffff;\"\u003e\n\u003cstrong\u003e08\u003c\/strong\u003e - 8mm Precision Cylindrical Clamping Shank Diameter (Standard high-rigidity internal specification)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #cccccc; padding: 8px; border-radius: 4px; background: #ffffff;\"\u003e\n\u003cstrong\u003eK\u003c\/strong\u003e - 125mm Industrial Standard Total Tool Core Length (Precision medium-reach standard specification)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; background: #f0f2f5; color: #333333;\"\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e - \u003cstrong\u003eScrew Fastening Clamping Method\u003c\/strong\u003e (Low-profile center screw lock keeps head perfectly sleek for narrow profiling chip evacuation)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; background: #f0f2f5; color: #333333;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e - \u003cstrong\u003e80° Rhombic Shape Pocket Seating\u003c\/strong\u003e (The 5th position identifier engineered to match high-rigidity 80-degree positive indexable CCMT\/CCGT inserts)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; background: #47479F; color: #ffffff;\"\u003e\n\u003cstrong\u003eZ\u003c\/strong\u003e - \u003cstrong\u003e90° Lead Approach Angle Configuration\u003c\/strong\u003e (Enables excellent flat-bottom squaring, perpendicular facing, and perpendicular shoulder steps)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #47479F; padding: 8px; border-radius: 4px; background: #47479F; color: #ffffff;\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e - \u003cstrong\u003e7° Normal Positive Relief Clearance Angle\u003c\/strong\u003e (The 7th position identifier confirming seamless interface with CCMT 0602-- series)\u003c\/div\u003e\n\u003cdiv style=\"display: block; margin-bottom: 6px; border: 1px solid #cccccc; padding: 8px; border-radius: 4px; background: #ffffff;\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e - Right-Hand Tool Cutting Rotation Direction (Standard forward M03 internal turning toolpath setup)\u003c\/div\u003e\n\u003cdiv style=\"display: block; border: 1px solid #cccccc; padding: 8px; border-radius: 4px; background: #ffffff;\"\u003e\n\u003cstrong\u003e06\u003c\/strong\u003e - Accommodates Standard 6mm Cutting Edge Length Inserts (CCMT 060202 \/ CCMT 060204 \/ CCGT 060204)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 6px; padding: 15px; margin-bottom: 25px; background-color: #47479f; color: #ffffff; text-align: center;\"\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-weight: bold; font-size: 16px;\"\u003eOperating mirror profiling cycles or left-hand spindle configurations?\u003c\/p\u003e\n\u003cspan style=\"color: #47479f;\"\u003e\u003cspan style=\"display: inline-block; background-color: rgb(255, 255, 255); padding: 8px 20px; border-radius: 4px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=CCMT0602\" target=\"_blank\" rel=\"noopener\"\u003eSwitch to the Mirror S08K-SCZCL06 (Left Hand) Tool Bar → \u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e2. Product Core Advantages\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal 90° Flat-Bottom Squaring:\u003c\/strong\u003e Engineered explicitly with a 90-degree lead angle to facilitate flawless flat internal face cuts and step tracking without heel contact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Rigidity C-Type Seating:\u003c\/strong\u003e Houses 80-degree rhombic inserts, which provide much higher edge stability and fracture resistance than 55° or 35° options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleek Low-Profile Screw Locking:\u003c\/strong\u003e Eliminates bulky top clamps, permitting fine, curly finishing chips to evacuate out of 11mm bores without nesting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuenched Alloy Steel Construction:\u003c\/strong\u003e Premium vacuum-tempered body core (HRC 42-45) dampens harmful macro-harmonics during deep internal turning runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Ground Seating Pocket:\u003c\/strong\u003e Machined to strict indexing tolerances to eliminate insert micro-movement, ensuring repeatable parts accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Surface Armor Layer:\u003c\/strong\u003e High-grade chemical black oxide treatment prevents hot swarf welding and abrasive chip erosion on the tool head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e3. Technical Specification Parameters \u0026amp; Model Comparison\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 500px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eTechnical Blueprint Field\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eMetric Blueprint Value (S08K-SCZCR06)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eImperial Inch Equivalent Model Reference\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; font-weight: bold;\"\u003eClamping Shank Diameter (φ d)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003e8 mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.3150 inches (Fits standard 8mm metric turrets or 5\/16-inch boring blocks using precision split reduction sleeves)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eOverall Tool Length (L)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003e125 mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e4.9213 inches total tool length (K-Type industrial medium-reach standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eMinimum Machining Bore (φ Dmin)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003e11 mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.4331 inches minimum entry clearance line for safe chip evacuation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eCompatible Indexable Insert Sizing\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e\u003cstrong\u003eCCMT 060202 \/ CCMT 060204 \/ CCGT 060204\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCCMT 21.50.5 \/ CCMT 21.51 \/ CCGT 21.51 (Positive 80-degree rhombic with 7° relief standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eMatching Fasteners \u0026amp; Spares Included\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003ePremium M2.5 Torx Drive Locking Screw \u0026amp; T8 Flag Wrench\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eStandard globally interchangeable micro-turning hardware assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #333; font-size: 16px; margin-top: 20px;\"\u003eIndustrial Cutting Feed \u0026amp; Speed Data Recommendation Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 500px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #eef0f7; color: #47479f;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eISO Workpiece Material Group\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eCutting Speed (Vc) Range\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eRecommended Feed Rate (fn)\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; font-weight: bold;\"\u003eMild \/ Carbon Steel (P-Class \/ AISI 1020 \/ 1045)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e100 - 180 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.04 - 0.15 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eAlloy Steel \/ Tool Steel (P-Class \/ 4140 \/ SCM440)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e80 - 150 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.04 - 0.12 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eAustenitic Stainless Steels (M-Class \/ SS304 \/ SS316)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e60 - 110 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e0.03 - 0.10 mm\/rev\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold;\"\u003eCast Irons \/ Nodular Irons (K-Class \/ G25 \/ GGG40)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003e90 - 160 m\/min\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\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\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e4. Product Application Scenarios\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerpendicular Internal Facing:\u003c\/strong\u003e Machining high-flatness internal faces and shoulders from inside diameters outward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlind-Hole Square Squaring:\u003c\/strong\u003e Turning deep internal counterbores to clean 90-degree right angles without secondary tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupted Internal Roughing:\u003c\/strong\u003e High-stability execution of choppy, non-continuous internal cuts on keyed or splined components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e5. Equipment Tooling Compatibility Matrix\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8mm \/ 5\/16-inch CNC Turrets:\u003c\/strong\u003e The 8mm cylindrical shank mounts directly into CNC live turrets, manual tool posts, or 5\/16\" block slots via ground reduction sleeves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO CCMT Sizing-06 Inserts:\u003c\/strong\u003e Precision pocket layout is engineered to house all 80° positive rhombic turning inserts with a thickness standard of 2.38mm, designated by standard codes **CCMT 0602--** or **CCGT 0602--**.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e6. BEYOND Premium Carbide Grade Selection Guide\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 25px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 500px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eBEYOND Cutting Insert Grade\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003eCoating Micro-Structure Matrix\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #dddddd; text-align: left;\"\u003ePrimary Application Strengths\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; font-weight: bold; color: #47479f;\"\u003eBYM11 (CVD Grade)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eThick Double-Layer Al2O3 + TiCN Thermal Barrier\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eEngineered for high-speed, continuous dry boring of carbon steel and alloy liners. Highly resistant to crater wear under intense friction.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; color: #47479f;\"\u003eBYS25 (PVD Grade)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eSub-Micron Multi-Layered Nano-TiAlN Coating Shield\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eOutstanding edge sharpness and toughness. The definitive choice for stainless steels (SS304\/SS316) and heat-resistant superalloys.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd; font-weight: bold; color: #47479f;\"\u003eBYK15 (Uncoated Polished)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eMirror-Finished Sharp Micro-Grain Solid Carbide Matrix\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #dddddd;\"\u003eCompletely eliminates Built-Up Edge (BUE). Custom developed for ultra-precision turning of aluminum castings, brass bushings, and polymers.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e7. Why Choose BEYOND CNC Machine Tools?\u003c\/h2\u003e\n\u003cp\u003eBEYOND delivers premium-engineered, industrial-grade indexable tool holders trusted by manufacturing facilities worldwide. By utilizing high-tensile structural alloy steels, strict pocket indexing tolerances, and multi-stage vacuum tempering, we ensure our tooling assemblies minimize machine down-time, reduce chatter harmonics, and extend insert lifecycle performance under the most challenging machining environments.\u003c\/p\u003e\n\u003ch3 style=\"color: #333; font-size: 16px; margin-top: 20px;\"\u003eGlobal Machinist Operational Reviews\u003c\/h3\u003e\n\u003cdiv style=\"display: block; margin-bottom: 25px;\"\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 15px; border-radius: 6px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffcc00; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-weight: bold;\"\u003eJohn M. — United States\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555;\"\u003e\"Outstanding internal squaring tool! We use it to cut flat faces inside tiny hydraulic housings. The 90-degree SCZCR configuration hits the blind hole bottom perfectly without trailing friction. CCMT 060204 indexable pockets are rock-solid.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 15px; border-radius: 6px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffcc00; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-weight: bold;\"\u003eKlaus M. — Germany\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555;\"\u003e\"Hervorragende Steifigkeit! The 80-degree C-insert pocket offers far better material backing compared to my old D-type bars. Perfect tool structure for light roughing inside structural steel blocks. Repeatability is top notch.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 15px; border-radius: 6px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffcc00; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-weight: bold;\"\u003eTakashi I. — Japan\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555;\"\u003e\"Very clean surface finishes inside our 12mm entry bores. The screw clamping method keeps the tool head remarkably compact, letting long swarf escape seamlessly during internal facing cuts. Highly recommend.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 15px; border-radius: 6px; background-color: #ffffff; margin-bottom: 12px;\"\u003e\n\u003cdiv style=\"color: #ffcc00; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-weight: bold;\"\u003eGiovanni F. — Italy\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555;\"\u003e\"Excellent tool holder for processing perpendicular steps. The black oxide treatment holds up incredibly well against high heat. Used daily on our CNC turning centers with stainless steels.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e0e0e0; padding: 15px; border-radius: 6px; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"color: #ffcc00; font-size: 16px; margin-bottom: 5px;\"\u003e★★★★★\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 8px 0; font-size: 13px; font-weight: bold;\"\u003eDave L. — Canada\u003c\/p\u003e\n\u003cp style=\"margin: 0; font-size: 13px; color: #555;\"\u003e\"The structural alloy steel core does a phenomenal job absorbing vibration during extended facing passes. Included M2.5 screws clamp tight without binding. A must-have for small-diameter blind hole processing.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e8. AI-Style Engineering Support Engine (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 12px; background-color: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #47479f;\"\u003eQ1: Why choose a 90° SCZCR holder over a 93° SDUCR holder for internal steps?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eA1: A strict 90° approach angle is optimized for structural facing and absolute flat bottom squaring. While a 93° tool is great for multi-directional profiling and longitudinal boring, it leaves an angled clearance gap on perpendicular floor cuts, making a 90° SCZCR mandatory for clean blind-hole flat corners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 12px; background-color: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #47479f;\"\u003eQ2: Can I mount 55° DCMT inserts into this S08K-SCZCR06 tool holder?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eA2: No. The letter 'C' in the 5th position explicitly indicates an 80° rhombic pocket configuration. Attempting to fit a 55° DCMT insert will leave substantial gaps within the pocket sidewalls, resulting in massive insert movement under load, immediate tool breakage, and catastrophic part scrap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 15px; padding: 12px; background-color: #f9f9f9; border-radius: 4px;\"\u003e\n\u003cp style=\"margin: 0 0 5px 0; font-weight: bold; color: #47479f;\"\u003eQ3: What is the minimum operational bore diameter for this tool holder?\u003c\/p\u003e\n\u003cp style=\"margin: 0; color: #444;\"\u003eA3: The absolute minimum machining bore diameter (φ Dmin) is 11.0mm (0.4331 inches). Running this 8mm bar in a smaller cavity will cause the rear clearance flank of the tool head to rub heavily against the internal diameter wall, generating massive chatter or fracturing the cutter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; border-bottom: 2px solid #47479F; padding-bottom: 5px; margin-top: 30px;\"\u003e9. Technical Maintenance \u0026amp; Troubleshooting Guidelines\u003c\/h2\u003e\n\u003cdiv style=\"margin-top: 15px;\"\u003e\n\u003cdiv style=\"background-color: #f0f2f5; padding: 15px; border-radius: 4px; margin-bottom: 12px;\"\u003e\n\u003ch4 style=\"margin: 0 0 8px 0; color: #333; font-size: 14px; border-left: 3px solid #47479F; padding-left: 8px;\"\u003eEquivalent Industry Models\u003c\/h4\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #555;\"\u003eInterchangeable globally with standard international metric \u003cstrong\u003eS08K-SCZCR06\u003c\/strong\u003e precision internal boring bars. For standard American imperial lathe turrets, the 8mm cylindrical steel shank drops smoothly into standard 5\/16-inch boring sleeves or split blocks, pairing exactly with standard ANSI indexable positive insert designations \u003cstrong\u003eCCMT 21.50.5\u003c\/strong\u003e, \u003cstrong\u003eCCMT 21.51\u003c\/strong\u003e, or \u003cstrong\u003eCCGT 21.51\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f0f2f5; padding: 15px; border-radius: 4px; margin-bottom: 12px;\"\u003e\n\u003ch4 style=\"margin: 0 0 8px 0; color: #333; font-size: 14px; border-left: 3px solid #47479F; padding-left: 8px;\"\u003eTroubleshooting Tips\u003c\/h4\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #555;\"\u003e\u003cstrong\u003eSevere Internal Chatter or Size Taper Defects:\u003c\/strong\u003e Verify that the tool tip center height aligns precisely with the lathe spindle rotation centerline (±0.01mm). An off-center tool alters the effective relief clearance, provoking rapid tool nose chipping or harsh rubbing lines along the cavity wall.\u003cbr\u003e\u003cstrong\u003ePrecision Screw Jamming or Thread Stripping:\u003c\/strong\u003e Fine turning swarf generates highly localized frictional heat. Blow out fine micro-dust from the pocket seat before indexing inserts, and periodically apply anti-seize lubricant to the M2.5 screw threads to avoid terminal binding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f0f2f5; padding: 15px; border-radius: 4px;\"\u003e\n\u003ch4 style=\"margin: 0 0 8px 0; color: #333; font-size: 14px; border-left: 3px solid #47479F; padding-left: 8px;\"\u003eWorkpiece Material Matrix\u003c\/h4\u003e\n\u003cp style=\"margin: 0; font-size: 12px; color: #555;\"\u003eOptimized across critical industrial engineering manufacturing stock material classifications: \u003cstrong\u003eP\u003c\/strong\u003e (Carbon, Low-Alloy \u0026amp; Pre-hardened Mild Steels), \u003cstrong\u003eM\u003c\/strong\u003e (Austenitic, Ferritic \u0026amp; Duplex Stainless steel variants), \u003cstrong\u003eK\u003c\/strong\u003e (Grey \u0026amp; Ductile Cast Irons), \u003cstrong\u003eN\u003c\/strong\u003e (Non-ferrous Aluminum Castings, Copper, Brass Alloys \u0026amp; Dense Polymers), and \u003cstrong\u003eS\u003c\/strong\u003e (High-Temperature Superalloys \u0026amp; Aerospace Titanium).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":40763983134892,"sku":"S08K-SCZCR06","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_S08K-SCZCR06_indexable_precision_90-degree_internal_boring_bar_with_8mm_steel_shank_125mm_length_and_right-hand_approach_angle_for_positive_CCMT_060204_carbide_turning_inserts.jpg?v=1781224100","url":"https:\/\/cnchome-beyond.com\/products\/s08k-sczcr06-cnc-internal-boring-bar-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}