Hymnorq 5-Piece M35 Cobalt Steel Drill Bits Set for Metals, 9mm Diameter, 135° Split Point, Dual Twist Flute, Straight Shank, Bronze Finish - Durable PP Plastic Case, DIN338 Standard

High-Quality M35 Cobalt Steel Construction: Made from premium M35 grade cobalt steel (5% cobalt), these drill bits offer exceptional durability, resistance to heat, and extended lifespan, making them ideal for demanding applications in metal, wood, and plastic. Precision 135° Split Point Design: The 135° split point design ensures precise, accurate drilling with reduced walking, offering a faster, smoother drilling experience. This design also minimizes the risk of bit wandering, even on tough materials. Dual Twist Flute for Enhanced Performance: Featuring a dual twist flute design, these drill bits efficiently remove chips and debris, improving cutting efficiency and reducing heat buildup during drilling. This design helps ensure cleaner holes and reduces wear on the bit. Durable Bronze Hue Finish: The bronze hue finish not only gives the drill bits a sleek, professional appearance but also enhances their corrosion resistance, ensuring they stay sharp and effective even after repeated use. Convenient and Secure Storage: Each set includes 5 precisely manufactured drill bits, neatly stored in a tough, transparent PP plastic case that provides excellent protection, organization, and easy accessibility, making it perfect for both professional and DIY use.