The #59 Cobalt Parabolic Stub Drill from Field Tool Supply is engineered for high-performance drilling in tough materials. With a diameter of .0410 inches, this drill features a parabolic flute design that improves chip evacuation and reduces heat buildup, making it suitable for high-speed machining. Constructed from premium cobalt steel, it offers exceptional durability and resistance to wear. Ideal for precision applications in metalworking, this stub drill is compatible with various drilling machines and meets stringent industry standards for quality and performance.