The AndyMark Drill Bit 4.2mm for M5 Tap is crafted from high-speed steel, ensuring durability and precision. It is finished with black oxide, which enhances its resistance to wear and corrosion. The drill bit features a 118-degree conventional point, making it suitable for a variety of drilling applications. This jobber-style drill bit is designed to work seamlessly with M5 taps, providing reliable performance in professional settings.