The A HD Jobber Drill HS from Field Tool Supply is a high-speed steel drill bit designed for heavy-duty applications. This drill bit features a robust design that ensures durability and precision in drilling tasks. The A size designation indicates its specific diameter, making it suitable for a range of materials. Engineered to meet industry standards, this jobber drill is perfect for metalworking and construction projects. Its high-performance capabilities make it an essential tool for professionals seeking reliability and efficiency in their drilling operations.