The 1-7/16 4MT OIL HOLE DRILL HS by Field Tool Supply is a high-performance drilling tool designed for efficient oil hole drilling. With a diameter of 1-7/16 inches and a 4 Morse Taper shank, this drill is perfect for applications requiring lubrication during operation. Made from high-speed steel (HS), it offers excellent durability and wear resistance. The oil hole feature allows for effective cooling and lubrication, reducing friction and extending tool life. This drill is compatible with various machining setups, ensuring versatility and reliability in demanding environments.