The 5/8 Cobalt Parabolic Jobber Drill Bit from Field Tool Supply is designed for precision drilling in tough materials. This high-speed steel bit features a parabolic flute design that enhances chip removal and reduces friction, making it ideal for drilling through stainless steel and other hard metals. With a 135-degree split point, it ensures accurate starts and minimizes walking. The cobalt construction provides superior heat resistance and durability, making it suitable for heavy-duty applications. This drill bit measures 5/8 inches in size, ensuring compatibility with various drilling tasks.