The #4 COBALT PARABOLIC STUB drill bit from Field Tool Supply is engineered for precision drilling in tough materials. This cobalt steel bit offers superior hardness and heat resistance, making it ideal for drilling into stainless steel and other hard metals. With a parabolic flute design, it enhances chip removal and reduces friction, ensuring efficient drilling performance. Measuring 1/4 inch in diameter and 2 inches in length, this stub bit is perfect for applications requiring a compact size without compromising on strength. Its high-speed steel construction meets ANSI standards, ensuring reliability and durability.