- Durable HSS Construction: Crafted from high-speed steel (HSS), these drill bits offer exceptional toughness and durability, allowing you to effortlessly drill through metal, wood, and plastic. - Stable Triangular Shank Design: The innovative 1/2 inch triangular shank provides a secure grip in the chuck, minimizing slippage and vibration. This results in straighter, more precise holes, enhancing your drilling accuracy. - Enhanced Longevity: Each bit is subjected to rigorous heat treatment and nitrogenization, significantly increasing hardness and wear resistance. This process ensures longer tool life, even in demanding usage conditions. - Comprehensive Size Selection: This set features drill bits ranging from 14mm to 25mm in diameter, making it suitable for a wide array of drilling tasks in industrial, commercial, and DIY projects. Practical Applications: - Perfect for professionals tackling metal fabrication, woodworking, and plastic assembly. - Ideal for DIY enthusiasts working on home improvement projects, such as furniture assembly or installing fixtures. - Excellent for maintenance and repair tasks that require reliable and precise drilling. Experience the perfect balance of strength, stability, and versatility with this high-speed steel drill bit set, designed to meet your diverse drilling needs with efficiency and reliability.