150PC Mini Twist Drill Bit Set in Box - 0.4-3.2mm Tiny Twist Drill Bits for Electric Drilling & Hole Opening

This comprehensive 150-piece mini twist drill bit set is perfect for precision work and detailed projects. The set includes bits ranging from 0.4mm to 3.2mm, organized neatly in a sturdy storage case with clearly marked size compartments. Each drill bit is crafted from high-speed steel, featuring a spiral flute design for efficient chip removal and clean hole boring. The set provides multiple pieces of each size: 5 pieces each of larger sizes (2.0-3.2mm) and 10 pieces each of the smaller sizes (0.4-0.9mm), ensuring you have backups for the most commonly used bits. The yellow compartmentalized case makes size selection quick and easy, while protecting your bits when not in use. These versatile drill bits are ideal for working with wood, plastic, and soft metals, making them essential for model making, jewelry work, circuit board drilling, and other delicate applications. The slim design and precise cutting edges allow for accurate hole placement and smooth drilling performance.

• COMPREHENSIVE SET: 150-piece mini drill bit collection ranging from 0.4mm to 3.2mm, perfect for precision drilling and detailed work
• ORGANIZED STORAGE: Comes in a sturdy carrying case with clearly labeled compartments for easy size identification and quick access
• QUANTITY BREAKDOWN: Includes 5 pieces each of 2.1-3.2mm bits and 10 pieces each of 0.4-0.9mm bits for varying project needs
• VERSATILE APPLICATION: Ideal for delicate drilling tasks in wood, plastic, and soft metals, suitable for hobby, craft, and DIY projects
• PRECISE SIZING: Features 21 different drill bit sizes with consistent 0.1-0.2mm increments for exact hole dimensions