The 18.50mm Cobalt S&D Drill from Field Tool Supply is designed for high-performance drilling in tough materials. Made from premium cobalt steel, this drill bit offers exceptional hardness and heat resistance, making it ideal for drilling through stainless steel and other hard metals. With an 18.50mm diameter and a standard length, it is compatible with various drill machines. The drill meets ISO standards for quality and reliability, ensuring it can handle demanding applications in industrial settings. This tool is essential for professionals seeking efficiency and durability in their drilling tasks.