Step Drill Bit: 3/8" Shank Dia, High Speed Steel, 12 Hole Sizes MPN:SDD43274745

The step drill bit is a time-saving tool that quickly cuts through various materials and hole sizes with only one drill bit thanks to its twelve built-in steps ranging from 0.125 to 3/4. The high-speed steel construction ensures strength, durability, and consistent performance even in hardened metals such as stainless steel, cast iron, or bronze, while the 3/8 shank diameter provides compatibility with most drill presses or portable drills on the market. This all-inclusive set is ideal for industries ranging from automotive to construction, machinery repair, welding shops, or handymen completing do-it-yourself projects at home by minimizing time and money spent on multiple drill bits while delivering consistent hole quality every time.