The 9/16 3MT Oil Hole Drill by Field Tool Supply is crafted from high-speed steel (HSS) for superior performance in drilling applications. This drill features a 3MT shank, making it compatible with various machines for efficient operation. Designed specifically for oil hole drilling, it enhances lubrication and cooling during the drilling process. With a diameter of 9/16 inches, this tool is ideal for precision tasks in metalworking and manufacturing. Its robust construction ensures longevity and adherence to industry standards, making it a reliable choice for professionals.