The 21/64 COBALT PARABOLIC JOBBER drill bit from Field Tool Supply is engineered for precision drilling in tough materials. Made from high-speed cobalt steel, this bit offers superior durability and heat resistance, making it ideal for heavy-duty applications. With a parabolic flute design, it enhances chip removal and reduces friction, ensuring efficient drilling. The bit measures 21/64 inches in diameter, providing a perfect fit for various tasks. It complies with ANSI standards, ensuring reliability and performance in professional settings.