The #66 Cobalt Jobber Drill from Field Tool Supply is designed for precision drilling in tough materials. This drill bit features a cobalt steel construction, providing enhanced durability and heat resistance. With a diameter of 0.332 inches, it is ideal for drilling into stainless steel, titanium, and other hard metals. The jobber length allows for deeper drilling, making it versatile for various applications. It meets ANSI standards for quality and performance, ensuring reliability in professional settings. Perfect for machinists and metalworkers, this drill bit is a must-have for any toolkit.