{"product_id":"er11-3-5mm-aa-0-008-high-precision-collet","title":"BEYOND ER11-3.5mm AA Precision Spring Collet – 0.008mm Runout High-Accuracy Clamping Chuck for CNC Milling, Drilling, and Engraving Tool Holders","description":"\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color: #333333; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 20px; box-sizing: border-box; -webkit-user-select: text; user-select: text;\"\u003e\n\u003c!-- H1 Banner --\u003e\n\u003cdiv style=\"background-color: #47479f; color: #ffffff; padding: 30px; border-radius: 8px; text-align: center; margin-bottom: 30px;\"\u003e\n\u003ch1 style=\"margin: 0; font-size: 26px; color: #ffffff;\"\u003eBEYOND ER11-3.5mm AA Precision Spring Collet\u003c\/h1\u003e\n\u003cp style=\"margin: 10px 0 0; color: #ffffff; opacity: 0.95; font-size: 16px;\"\u003eHigh-Accuracy 0.008mm TIR Runout | Industrial Grade CNC Clamping Chuck\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 1. Product Overview --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; 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: 16px 0; font-style: italic; color: #2d3748; font-size: 14px;\"\u003e\"Which high-precision ER11 spring collet ensures a strict 0.008mm runout for 3.5mm diameter tool shanks, providing the vibration-free concentricity required for precision finish milling, micro-drilling, and high-speed CNC operations?\"\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 14px;\"\u003eThe \u003cstrong\u003eBEYOND ER11-3.5mm AA\u003c\/strong\u003e is a premium-grade high-accuracy spring collet engineered for professional CNC environments. Manufactured from high-tensile alloy spring steel and precision-ground to an exacting \u003cstrong\u003e0.008mm (Total Indicator Reading \/ TIR) runout tolerance\u003c\/strong\u003e, this AA-class collet ensures maximum gripping force and concentric stability. Its optimized multi-slot geometry distributes clamping pressure uniformly across 360 degrees, effectively reducing tool slippage, damping harmonic vibrations, and extending tool life for superior surface finish quality in industrial applications.\u003c\/p\u003e\n\u003ch3 style=\"font-size: 16px; color: #1a202c; margin-top: 20px; margin-bottom: 12px;\"\u003eISO \/ DIN Standard Nomenclature Breakdown: ER11-3.5mm AA\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px;\"\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 11px;\"\u003eER11\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 10px;\"\u003eDIN 6499 Taper\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 11px;\"\u003e3.5mm\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 10px;\"\u003eClamping Dia\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 2px solid #47479F; padding: 8px; border-radius: 6px; text-align: center; flex: 1; min-width: 70px; background: #f8fafc;\"\u003e\n\u003cstrong style=\"color: #47479f; display: block; font-size: 11px;\"\u003eAA\u003c\/strong\u003e\u003csmall style=\"color: #4a5568; font-size: 10px;\"\u003e0.008mm Runout\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2. Core Advantages --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e2. Product Core Advantages\u003c\/h2\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #2d3748;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003e0.008mm Ultra-Precision Runout:\u003c\/strong\u003e Exceptional TIR limits harmonic vibration, protecting carbide end mill cutting edges from micro-chipping.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAdvanced Spring Alloy Steel:\u003c\/strong\u003e Undergoes specialized thermal hardening and stress-relief processing to preserve elastic memory through thousands of cycles.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eUniform Multi-Slot Gripping:\u003c\/strong\u003e Maximizes frictional contact surface area along cylindrical tool shanks, preventing pull-out during heavy axial feeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 3. Technical Specifications \u0026 Cutting Parameters --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; 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; margin-bottom: 16px;\"\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;\"\u003eMetric Specification (ISO\/DIN)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #cbd5e0; text-align: left;\"\u003eImperial Approximation\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 #cbd5e0;\"\u003eCollet Series: ER11 (DIN 6499 \/ ISO 15488)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eER11 Standard Taper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eNominal Clamping Diameter: 3.5mm\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e~0.1378\" (Fractional 9\/64\" is ~3.57mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003ePrecision Accuracy \/ Runout: ≤ 0.008mm (AA Grade)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e≤ 0.0003\" TIR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eCollapse Range: 1.0mm Elastic Collapse\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e~0.039\" Range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"font-size: 16px; color: #1a202c; margin-top: 16px; margin-bottom: 8px;\"\u003eRecommended Tooling Parameters for 3.5mm End Mills\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 13px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #e2e8f0; color: #1a202c;\"\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;\"\u003eRecommended Spindle Speed (RPM)\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #cbd5e0; text-align: left;\"\u003eFeed Per Tooth fz (mm\/tooth)\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 #cbd5e0;\"\u003eCarbon \u0026amp; Alloy Steel (ISO P)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e6,000 - 11,000\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.008 - 0.03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003eAluminum Alloys \u0026amp; Non-Ferrous (ISO N)\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e15,000 - 24,000\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #cbd5e0;\"\u003e0.02 - 0.05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; border-radius: 8px; padding: 20px; text-align: center; background-color: #ffffff; margin-top: 20px;\"\u003e\n\u003cp style=\"margin: 0 0 12px 0; font-size: 16px; color: #47479f; font-weight: bold;\"\u003eExplore Compatible Tool Holder Systems\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Applications --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e4. Product Applications\u003c\/h2\u003e\n\u003cp style=\"margin: 0;\"\u003eDesigned specifically for high-speed CNC milling centers, micro-drilling units, high-precision engraving routers, and reaming operations requiring tight tolerance control and absolute radial stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e5. Equipment \u0026amp; Accessory Compatibility\u003c\/h2\u003e\n\u003cp style=\"margin: 0;\"\u003eFully compatible with all standard industrial ER11 collet chuck nuts (DIN 6499\/ISO 15488), ER11 spindle extensions, and modular CNC tool holders supporting 3.5mm cylindrical tool shanks (such as carbide end mills, drill bits, and engraving tools).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 6. Material Comparison \u0026 Workpiece Material Matrix --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; margin-top: 0; border-bottom: 2px solid #47479F; padding-bottom: 8px;\"\u003e6. Material Comparison \u0026amp; Workpiece Matrix\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eAlloy Steel vs. Standard Carbon Steel:\u003c\/strong\u003e Unlike low-cost commercial collets that deform under thermal expansion, BEYOND's specialized alloy steel maintains structural integrity and clamping force consistency under rigorous high-RPM loads.\u003c\/p\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; color: #2d3748; font-size: 13px;\"\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eISO P (Steel):\u003c\/strong\u003e Exceptional grip prevents tool pull-out during aggressive pocketing.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eISO M (Stainless Steel):\u003c\/strong\u003e High rigidity combats chatter during difficult alloy milling passes.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eISO N (Aluminum\/Non-Ferrous):\u003c\/strong\u003e Clean, concentric clamping supports high spindle speeds without centrifugal imbalance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 7. Why Choose Us --\u003e\n\u003cdiv style=\"border: 2px solid #47479F; border-radius: 8px; padding: 24px; margin-bottom: 20px; background-color: #fcfcfc;\"\u003e\n\u003ch2 style=\"color: #47479f; font-size: 20px; text-align: center; margin-top: 0;\"\u003e7. Why Choose BEYOND Precision Tooling\u003c\/h2\u003e\n\u003cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-top: 16px;\"\u003e\n\u003cdiv style=\"text-align: center; padding: 12px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 6px;\"\u003e\n\u003cstrong\u003eStrict ISO Standards\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eGuaranteed interchangeability and rigorous geometric tolerances.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 6px;\"\u003e\n\u003cstrong\u003eIndustrial Durability\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eForged alloy spring steel built to withstand high-volume production cycles.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; padding: 12px; background: #ffffff; border: 1px solid #e2e8f0; border-radius: 6px;\"\u003e\n\u003cstrong\u003eExpert Engineering Support\u003c\/strong\u003e\u003cbr\u003e\u003csmall style=\"color: #4a5568;\"\u003eDirect technical assistance for optimized CNC tool holding setups.\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ \u0026 Troubleshooting --\u003e\n\u003cdiv style=\"background-color: #1a1a2e; color: #ffffff; padding: 24px; border-radius: 8px; margin-bottom: 20px;\"\u003e\n\u003ch2 style=\"color: #ffffff; font-size: 20px; margin-top: 0; border-bottom: 1px solid #47479F; padding-bottom: 8px;\"\u003e8. AI-Style FAQ \u0026amp; Troubleshooting\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eQ: Is the ER11-3.5mm AA collet compatible with standard ER11 collet nuts?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0; font-size: 13px;\"\u003eA: Yes. It fully conforms to DIN 6499 specifications and fits standard ER11 clamping nuts and tool holders.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 12px;\"\u003e\u003cstrong\u003eQ: What does the 'AA' designation mean for this collet?\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color: #cbd5e0; font-size: 13px;\"\u003eA: 'AA' denotes high precision with a maximum total indicator runout (TIR) of 0.008mm, making it ideal for precision finish machining.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eTroubleshooting Tip:\u003c\/strong\u003e If excessive tool runout is detected, inspect the collet taper and nut threads for debris, and ensure the tool shank is clean and fully seated within the 3.5mm bore before tightening.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Grade Comparison, Equivalent Models \u0026 Material Tips --\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; margin-bottom: 20px; font-size: 13px;\"\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; margin-top: 0;\"\u003eTechnical Reference \u0026amp; Material Comparison Tips\u003c\/h3\u003e\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eGrade Comparison:\u003c\/strong\u003e AA-grade precision spring collets offer superior runout control (≤0.008mm) compared to standard A-grade (≤0.015mm) or ordinary commercial grades, significantly improving surface finish consistency.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 8px;\"\u003e\u003cstrong\u003eEquivalent Models:\u003c\/strong\u003e Standardized industrial equivalents follow universal DIN 6499 \/ ISO 15488 coding formats across global precision tool manufacturing systems.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eMaintenance Tip:\u003c\/strong\u003e Clean collets regularly with rust preventative oil and store them in dry environments to preserve spring tension and prevent oxidation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Footer Endorsement --\u003e\n\u003cdiv style=\"margin-top: 24px; font-size: 11px; color: #718096; text-align: center; border-top: 1px solid #e2e8f0; padding-top: 16px;\"\u003eManufactured in compliance with ISO 9001 quality management systems and DIN 6499 industrial tool standards. Performance metrics verified via standardized CNC tool holding operational datasets (ISO 15488 \/ ISO 5608).\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":44212707950764,"sku":"ER11-3.5mm AA(0.008)","price":10.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_ER11_3.5mm_AA_high-precision_spring_collet_for_CNC.jpg?v=1786694941","url":"https:\/\/cnchome-beyond.com\/products\/er11-3-5mm-aa-0-008-high-precision-collet","provider":"CNCHome-Beyond","version":"1.0","type":"link"}