0.1–1.0 mm Carbide Micro PCB Drill Bits with Spiral Flute for Precise Engraving on Jewelry, Electronics, and Repair Tips

General Description: Mini carbide PCB drill bits are designed for precise engraving and drilling applications. Made from high-speed steel, these drill bits are stable and durable, ideal for cleaning your 3D printer nozzle. This set includes 10 drill bits in various sizes, ranging from 0.1 mm to 1.0 mm, allowing for great versatility in your DIY and jewelry projects. Technical Specifications: Drill Bit Sizes: 0.1 mm, 0.2 mm, 0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm; Material: High-speed steel; Quantity: 10 pieces; Compatibility and Accessories: Use on: Plastic, fiberglass, steel, aluminum, copper, brass, titanium, and jewelry; Storage box included for easy storage.