{"product_id":"tungfull-rotary-tool-usb-rechargeable-35w-3-speed-8500-21000rpm-mini-cordless-grinder-pen-for-polishing-carving-diy-craft-work","title":"USB Rechargeable Rotary Tool 3 Speed Mini Grinder For DIY Carving","description":"\u003cdiv\u003e\n\u003cp\u003eTackle precision DIY tasks without tangled cords or manual fatigue using the USB Rechargeable Rotary Tool. This compact, handheld engraved pen functions as a cordless mini grinder and electric engraving tool, delivering steady power straight from its integrated 3.7 V battery. With three selectable speeds ranging from 8,500 to 21,000 RPM, you gain instant control whether you are carving fine wood details, polishing metals, sanding edges, or removing light rust. The compatible 0.5–3.2 mm collet system accepts standard rotary accessories, allowing you to switch between grinding bits, polishing pads, and micro drill heads without changing tools.\u003c\/p\u003e \u003ch2\u003eBenefits \u0026amp; Practical Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable torque for delicate surfaces:\u003c\/strong\u003e Begin at lower speeds for soft materials like acrylic or thin plastics, then ramp up to maximum RPM for harder metals and dense woods to prevent tearing or burning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCordless workspace freedom:\u003c\/strong\u003e Move beyond power outlet limits to tackle overhead projects, tight corners, or outdoor woodworking where a bulky bench grinder cannot reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick accessory swaps:\u003c\/strong\u003e Rely on the standard collet grip to securely mount diamond burs, silicone sharpening cylinders, or fluted cutters for smooth, vibration-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Category:\u003c\/strong\u003e USB-rechargeable mini rotary grinder \u0026amp; engraving pen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Range:\u003c\/strong\u003e 3 settings (8,500–21,000 RPM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Built-in 3.7 V rechargeable battery (included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Interface:\u003c\/strong\u003e USB‑C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollet Compatibility:\u003c\/strong\u003e 0.5–3.2 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Functions:\u003c\/strong\u003e Polishing, carving, cutting, surface grinding, derusting, micro-drilling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e N86‑NEW (tungfull)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupported Languages:\u003c\/strong\u003e English, Portuguese, Korean\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMini rechargeable rotary tool body\u003c\/li\u003e\n\u003cli\u003eIntegrated 3.7 V battery module\u003c\/li\u003e\n\u003cli\u003eUSB‑C charging cable\u003c\/li\u003e\n\u003cli\u003e0.5–3.2 mm collet adapter set\u003c\/li\u003e\n\u003cli\u003eOperation handbook\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eOperational Reminders\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eClamp or clamp your workpiece securely before engaging the motor to prevent bit slippage.\u003c\/li\u003e\n\u003cli\u003eApply light, even pressure and allow the spinning attachment to do the cutting; forceful pushing creates excess heat that can damage both the bit and the material.\u003c\/li\u003e\n\u003cli\u003eAllow the tool to cool briefly after extended continuous use to protect internal components and maintain consistent torque.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eAll electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty. Craftsmanship that keeps up with your workflow — backed by decades of reliable service at intercyprus.com.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"InterCyprus Trading Ltd","offers":[{"title":"TYPE 2 \/ USB Type-C","offer_id":55238050611542,"sku":"1005012968965308-TYPE 2-USB Type-C","price":53.25,"currency_code":"EUR","in_stock":true},{"title":"TYPE 1 \/ USB Type-C","offer_id":55238050644310,"sku":"1005012968965308-TYPE 1-USB Type-C","price":49.61,"currency_code":"EUR","in_stock":true},{"title":"TYPE 3 \/ USB Type-C","offer_id":55238050677078,"sku":"1005012968965308-TYPE 3-USB Type-C","price":91.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0530\/0604\/1274\/files\/Sfb5462542b614110bd5b4987836790657.webp?v=1788720147","url":"https:\/\/www.intercyprus.com\/products\/tungfull-rotary-tool-usb-rechargeable-35w-3-speed-8500-21000rpm-mini-cordless-grinder-pen-for-polishing-carving-diy-craft-work","provider":"InterCyprus Trading Ltd","version":"1.0","type":"link"}