The #51 Cobalt Parabolic Stub drill from Field Tool Supply is engineered for high-performance drilling in tough materials. This drill features a stub length for increased strength and reduced flex, making it ideal for precision applications. The cobalt steel construction enhances heat resistance and durability, allowing for extended tool life. With a diameter of 0.193 inches, it is perfect for drilling in stainless steel and other hard metals. The parabolic flute design improves chip removal and reduces friction, ensuring efficient drilling operations in various industrial settings.