The #39 Cobalt Jobber Drill from Field Tool Supply is designed for precision drilling in tough materials. Made from high-speed cobalt steel, this drill bit offers superior durability and heat resistance, making it ideal for metalworking applications. With a diameter of 0.1360 inches, it is perfect for creating accurate holes in various metals. The jobber length provides optimal reach and versatility, while the 118-degree point angle ensures efficient cutting. This drill complies with ANSI standards, ensuring quality and reliability in every use.