The #47 Cobalt Jobber Drill is designed for high-performance drilling in tough materials, including stainless steel and hardened alloys. With a diameter of 0.0785 inches, this drill bit is perfect for precision applications requiring durability and heat resistance. Made from cobalt steel, it offers superior performance compared to standard high-speed steel drills. This jobber drill is ideal for machinists and engineers looking for reliable drilling solutions. Its robust construction ensures longevity, making the #47 Cobalt Jobber Drill a valuable addition to any professional toolkit.