Engineered for precision and durability, this multi-step reamer from Drillco Cutting Tools is designed to enhance your drilling capabilities. Crafted from high-speed steel, it features a spiral flute design that facilitates efficient chip removal, ensuring a smooth and clean finish. The black oxide coating not only adds to its longevity but also provides enhanced resistance to wear and corrosion. With a 3-flat shank for secure gripping and a size range from 9/16" to 13/16", this tool is an essential addition to any professional's toolkit, ideal for a variety of drilling applications.