The Alpen-Maykestag 0095400520100 is a drill bit made for metal drilling. It has a diameter of 5.2mm, a length of 86mm, and a working part length of 52mm. It is made from high speed steel, or HSS, making it suitable for drilling through hard metals. This drill bit can be used for preparing, enlarging, and reaming holes in sheet metal, steel, and non-ferrous materials.