{"product_id":"kin-630-high-speed-air-micro-grinder-70-000-rpm-pen-type-die-grinder","title":"KIN-630 High-Speed Air Micro Grinder – 70,000 RPM Pen-Type Die Grinder","description":"\u003cp\u003eThe \u003cstrong\u003eKIN-630\u003c\/strong\u003e is a high-speed precision pen-type air micro grinder engineered for mold finishing, deburring, surface polishing, and metal finishing. Powered by a \u003cstrong\u003e70,000 RPM\u003c\/strong\u003e motor with ultra-compact design — all components machined using Japan STAR (Automatic Lathe) CNC for superior part accuracy.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-high speed 70,000 RPM for precise, efficient grinding and polishing\u003c\/li\u003e\n\u003cli\u003eLow vibration (1.0 m\/S²) — reduces operator fatigue and improves control\u003c\/li\u003e\n\u003cli\u003eQuiet operation at 88 dBA (with muffler included)\u003c\/li\u003e\n\u003cli\u003eUltra-lightweight at only 64.9g — ideal for precision, extended-use tasks\u003c\/li\u003e\n\u003cli\u003eInterchangeable collet: 3mm \/ 1\/8\" \/ 2.38mm\u003c\/li\u003e\n\u003cli\u003eStainless steel rotor for long-lasting durability\u003c\/li\u003e\n\u003cli\u003eAdjustable roller-type throttle valve for fine speed control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003eMold polishing · Die finishing · Deburring · Internal cavity grinding · Surface finishing · Precision engraving\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eKIN-630\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFree Speed\u003c\/td\u003e\n\u003ctd\u003e70,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e1.0 m\/S²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollet Size\u003c\/td\u003e\n\u003ctd\u003e3mm \/ 1\/8\" \/ 2.38mm (interchangeable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Length\u003c\/td\u003e\n\u003ctd\u003e140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Diameter\u003c\/td\u003e\n\u003ctd\u003e15.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight (tool only)\u003c\/td\u003e\n\u003ctd\u003e64.9 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e88 dBA (with muffler) \/ 94 dBA (without)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd\u003e90 PSI (6.32 kgf\/cm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Consumption\u003c\/td\u003e\n\u003ctd\u003e4 CFM \/ 0.12 m³\/min \/ 113 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Inlet\u003c\/td\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Hose Length\u003c\/td\u003e\n\u003ctd\u003e1,300 mm (ID: 5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRunout (TIR)\u003c\/td\u003e\n\u003ctd\u003e0.01 – 0.03 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Direction\u003c\/td\u003e\n\u003ctd\u003eRear exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eStandard Accessories Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWrench 9×9mm × 1\u003c\/li\u003e\n\u003cli\u003eL-type wrench 9×9mm × 1\u003c\/li\u003e\n\u003cli\u003eOil bottle × 1\u003c\/li\u003e\n\u003cli\u003eQuick connector × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eOEM\/ODM packaging available. Contact us for wholesale pricing and custom branding options.\u003c\/em\u003e\u003c\/p\u003e","brand":"Sheng Hui Air Tools Co., Ltd.","offers":[{"title":"Default Title","offer_id":48894824317184,"sku":"KIN-630","price":0.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/6235\/8272\/files\/KIN-630.png?v=1782591474","url":"https:\/\/shenghuiairtools.com\/products\/kin-630-high-speed-air-micro-grinder-70-000-rpm-pen-type-die-grinder","provider":"Sheng Hui Air Tools Co., Ltd.","version":"1.0","type":"link"}