Titanium Nitride Step Drill Bits are engineered with a titanium nitride (TiN) coating that enhances hardness, reduces friction, and provides superior corrosion resistance. These high-speed steel step drills maintain sharp cutting edges and enable multi-diameter drilling in metals, plastics, and wood. The step design allows sequential drilling of multiple hole sizes with a single tool, while tapered or straight shanks ensure secure mounting in drill presses, CNC machines, or hand drills. Spiral flutes improve chip removal and reduce heat buildup, making them ideal for industrial fabrication, professional workshops, and prototyping labs.