{"product_id":"mini-multifunction-grinder-10-000-rpm-mini-electric-polisher-the-ultimate-tool-for-repairing-tweezers-soldering-iron-tips-and-knife-blades-with-lcd-display","title":"Mini Multifunction Grinder | 10,000 RPM Mini Electric Polisher | The Ultimate Tool for Repairing Tweezers, Soldering Iron Tips, and Knife Blades | With LCD Display","description":"\u003cp\u003eSay goodbye to tedious manual grinding! The HMT-D71 Mini Grinder is specifically designed for precision electronics repair, model making, and tool restoration. With powerful 10,000 RPM performance, 5–9V wide-voltage operation, a color LCD for real-time monitoring, and 4-speed forward\/reverse settings, it effortlessly restores oxidized soldering iron tips, dull tweezers, and knife blades in just 10 seconds. Compact and portable, it’s an essential “refurbishment tool” for any workbench.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e🔥 One machine, multiple uses—covers every scenario\u003cbr\u003eStill struggling with dull tweezers or soldering tips that won’t take solder? The HMT-D71 Micro Grinder is your ultimate solution.\u003c\/p\u003e\n\u003cp\u003eElectronics Repair: Easily restore oxidized soldering tips in 10 seconds to make them solder-ready again; polish multimeter probes for more accurate measurements.\u003c\/p\u003e\n\u003cp\u003ePrecision Work: Restore the tips of tweezers, small scissors, and blades to make your tools look brand new.\u003c\/p\u003e\n\u003cp\u003eModeling and Jewelry: Ideal for polishing and grinding small metal and hard objects.\u003c\/p\u003e\n\u003cp\u003e💪 Powerful Engine, Performance Beast\u003cbr\u003eMaximum RPM: ≤10,000 rpm (no-load), delivering explosive power.\u003c\/p\u003e\n\u003cp\u003eSpeed Control Range: 4-speed precise adjustment with one-touch forward\/reverse switching.\u003c\/p\u003e\n\u003cp\u003eDisplay System: Color LCD digital display for real-time monitoring of operating voltage and current—keep everything under control.\u003c\/p\u003e\n\u003cp\u003e📏 Product Specifications\u003cbr\u003eModel Number: HMT-D71\u003cbr\u003eOperating Voltage: DC 5–9 V\u003cbr\u003eMaximum RPM: ≤10,000 rpm (no-load)\u003cbr\u003eSpeed Control Range: 4-speed precise adjustment\u003cbr\u003eRotation Direction: Switchable between forward and reverse\u003cbr\u003eDisplay System: LCD digital display\u003cbr\u003eMonitored Parameters: Real-time operating voltage, real-time operating current\u003cbr\u003eApplications: Tweezers, test probes, razor blades, small scissors, jewelry, models, and other small metal or hard objects\u003cbr\u003eProduct Dimensions: 55 mm x 55 mm x 36 mm (grinding disc diameter: 49 mm)\u003cbr\u003eProduct Weight: 132.8 g\u003cbr\u003eAccessories Included: Mini grinder x 1, matching sanding sheets x 2 (one 240-grit and one 2000-grit)\u003c\/p\u003e\n\u003cp\u003e🎁 Great Value Gifts and Package Options\u003cbr\u003eBasic Edition: Standard unit + 2 sheets of sandpaper (one each of 240-grit and 2000-grit).\u003cbr\u003eDeluxe Consumables Pack (Optional): 10 sheets of 240-grit sandpaper + 10 sheets of 2000-grit sandpaper, plus a free transparent storage case to meet long-term usage needs.\u003c\/p\u003e\n\u003cp\u003e❓ Frequently Asked Questions (FAQ) \u003cbr\u003eQ1: What types of tools is this sander suitable for?\u003cbr\u003eA: It is suitable for small metal and hard objects, such as tweezers, blades, soldering iron tips, multimeter probes, jewelry, models, etc.\u003c\/p\u003e\n\u003cp\u003eQ2: Will grinding the soldering iron tip affect its lifespan?\u003cbr\u003eA: This tool is specifically designed for restoration. When used with the included 240-grit (for coarse grinding to remove oxidation) and 2000-grit (for fine grinding and polishing) sandpaper, it only removes the blackened layer without damaging the soldering iron body. When used correctly, it can effectively extend the life of the soldering iron tip.\u003c\/p\u003e\n\u003cp\u003eQ3: How is it powered?\u003cbr\u003eA: It operates on a wide-range DC 5–9V power supply. You can power it using a standard USB charger, a power bank, or a computer’s USB port, making it very convenient.\u003c\/p\u003e\n\u003cp\u003eQ4: What does the screen display?\u003cbr\u003eA: The LCD screen displays the current operating voltage (e.g., 9.41V) and operating current (e.g., 0.00A) in real time, as well as the current setting and whether the motor is rotating clockwise or counterclockwise.\u003c\/p\u003e","brand":"dinoinbox","offers":[{"title":"Mini grinder with 2Pcs sandpaper","offer_id":67697504845978,"sku":"MH03414","price":29.99,"currency_code":"USD","in_stock":true},{"title":"10Pcs 240-grit sandpaper + 10Pcs 2000-grit sandpaper","offer_id":67697504878746,"sku":"MH03414-1","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/8748\/7130\/files\/ScreenShot_2026-10-08_130612_356.png?v=1791435999","url":"https:\/\/www.dinoinbox.com\/products\/mini-multifunction-grinder-10-000-rpm-mini-electric-polisher-the-ultimate-tool-for-repairing-tweezers-soldering-iron-tips-and-knife-blades-with-lcd-display","provider":"dinoinbox","version":"1.0","type":"link"}