Alpen-Maykestag's 0020202775100 is a drill bit for metal with a diameter (Ø) of 27.75mm, a length of 291mm, made of high-speed steel (HSS), and rated as an industrial class tool. This drill bit is perfect for drilling into various materials such as steel, aluminum, wood, plastic, and more. It is designed to provide superior performance and durability, allowing for fast, accurate, and long-lasting results.