The #18 Cobalt Parabolic Jobber Drill from Field Tool Supply is engineered for precision drilling in hard materials. Constructed from premium cobalt steel, this drill offers exceptional strength and heat resistance, making it suitable for demanding applications. The parabolic flute design enhances chip removal and reduces friction, ensuring efficient drilling. With a diameter of 0.234 inches, it is perfect for a variety of tasks. This drill meets ANSI standards, providing reliability and precision for both professional and DIY projects.