5% cobalt metal drill bit from the Spanish company Izar, size 8.1 mm, model R1016, designed for drilling in extremely hard metals such as iron, steel, and stainless steel. It relies on a 5% cobalt content, which gives it high resistance to heat generated by friction during drilling, reducing wear and increasing the tool's lifespan. It provides high precision in penetration and excellent stability during operation, even in heavy industrial use.