Lenox high-speed step drill bits are used for drilling hardwood & metals. They feature high-speed steel (HSS) construction, with steam oxide coated surface providing excellent wear resistance. The enhanced flute design cuts faster, burr-free holes and eliminates chips rapidly. They come with split point tip design and three-side ground flat shanks providing increased chunk grip. Choose from a wide range of step drill bits in sizes of 1/2 to 1 inch, 1/8 to 1/2 inches and 7/8 to 1-1/8 inches, on Raptor Supplies.