Mini Drill Chuck Set – 7 Piece Accessory Upgrade for Rotary Tools Key Features: Complete Set: Includes 1 M8 x 0.75 mm chuck nut and 6 precision brass collets in sizes 1.0 mm, 1.6 mm, 2.0 mm, 2.4 mm, 3.0 mm, and 3.2 mm to cover a wide range of bit sizes. Universal Compatibility: Designed with metric thread size 8 x 0.75 mm, this chuck fits most electric grinders and rotary tools for quick and easy installation. Tool Setup: Securely attaches without requiring special tools or adjustments, saving time and effort. Stable Bit Holding: Brass collet system ensures a firm grip on drill bits to prevent slippage during speed operation, allowing accurate and consistent work. Durable Construction: Made from copper and metal materials, resistant to heat and corrosion for longterm, reliable performance even with frequent use. Advantages: Improves tool versatility by supporting a variety of bit sizes for different tasks. Enhances precision in detailed crafting, drilling, engraving, and shaping work. Minimizes downtime thanks to fast bit changes and secure holding during operation. Practical Applications: 1. Jewelry making – holds micro drill bits securely for fine detailing and engraving. 2. Model building – ideal for precise drilling in plastic, wood, or light metals for assembly and finishing tasks. 3. Electronics – enables accurate drilling of small holes in circuit boards and components. Materials and Performance: All components are crafted from heatresistant copper and durable metal alloys, ensuring consistent performance in demanding environments. The brass collet mechanism delivers strong clamping force without damaging delicate bits, making it suitable for precision work at speeds. Compatibility: Fits most rotary tools and electric grinders supporting M8 x 0.75 mm threaded accessories, offering a straightforward upgrade to expand tool capabilities without complex modifications.