Izar (Spanish company) 5% Cobalt Metal Drill Bit, 15.0 mm, Model R1016, designed for drilling in extremely hard metals such as iron, steel, and stainless steel. It relies on a 5% cobalt content that gives it high resistance to the heat generated by friction during drilling, which reduces wear and increases the tool's lifespan. It provides professional industrial performance with high penetration accuracy and excellent stability in heavy-duty use.