VEVOR - Step Drill Bit, 3/16 to 7/8 inch, 1/4 inch Hex Shank, TiAlN Coating Cobalt HSS High Speed Steel - Black

This step drill bit includes 12 sizes from 3/16 to 7/8 inch for varied tasks without frequent changes. Made from cobalt HSS with TiAlN coating for durability on stainless steel. The 118° tip and four-flute design ensure fast chip clearing, cooling, and smooth holes.