General description Hex Shank Drill Bits are designed for precision drilling in soft metals, aluminum, and iron. Made from high-speed steel (HSS), these bits feature a self-centering point that eliminates the need for auxiliary center drilling and center punching, significantly improving accuracy and efficiency while reducing processing steps and time costs. Technical specifications Material: High-speed steel (HSS) Metric sizes: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5 Other information Anti-wear design to prevent excessive punctures and damage to threads.