5% cobalt metal drill bit from the Spanish company Izar, size 14.0 mm, model R1016, designed for drilling in very hard metals such as iron, steel, and stainless steel. It relies on a 5% cobalt content, which gives it high resistance to the heat generated by friction during drilling, thus reducing wear and increasing the tool's lifespan. It provides highly stable professional performance with excellent penetration accuracy during heavy industrial use.