The 21/64 COBALT PARABOLIC STUB drill bit is designed for high-performance drilling in tough materials. Made from premium cobalt steel, this bit offers superior hardness and heat resistance, making it ideal for stainless steel and other hard metals. Its parabolic flute design enhances chip removal and reduces friction, ensuring efficient drilling performance. With a length of 2 inches, this stub bit is perfect for applications requiring a compact size without compromising on strength. It adheres to ANSI standards, ensuring quality and reliability.