Mini HSS Drill Bits Set | 0.3mm-1.6mm | For Jewelry, Watch & Electronics Repair

Execute intricate, high-precision drilling with this set of 20 mini HSS spiral drill bits. Ranging from 0.3mm to 1.6mm, these bits are engineered for accuracy and control in delicate work, minimizing breakage and delivering clean, burr-free holes. Features and Benefits - Ultra-Fine Size Range (0.3-1.6mm) - Enables extremely precise hole creation for the most detailed and miniature components and materials. - High-Speed Steel (HSS) Material - Ensures the bits retain their sharpness and resist wear during prolonged use on various hard materials. - Precision-Ground Spiral Flutes - Efficiently remove chips to prevent clogging and reduce heat buildup, ensuring cleaner holes and protecting the workpiece. - Comprehensive 20-Piece Set - Provides a complete selection of the most commonly used micro sizes, offering great value and readiness for any detailed task. Applications - Precision model making, miniature engineering, and RC hobby projects requiring exact component assembly. - Jewelry making, watch repair, and crafting for drilling delicate settings, links, and small findings. - Electronics repair and PCB prototyping for creating clean holes in circuit boards and repairing small connectors.