The 1-9/16 4MT OIL HOLE DRILL HS by Field Tool Supply is a robust drilling tool designed for high-efficiency operations. With a diameter of 1-9/16 inches and a 4 Morse Taper shank, this drill is perfect for applications requiring oil hole drilling. Made from high-speed steel (HS), it offers excellent wear resistance and durability. The oil hole feature allows for effective lubrication during drilling, reducing friction and extending tool life. This drill is suitable for use in various machining setups, ensuring compatibility with standard equipment.