The Vevor step drill bit is designed for versatile drilling with nine hole sizes from 1/4" to 3/4" in a single bit. Made from M35 cobalt high-speed steel with a TiAlN coating, it is built for durability, wear resistance, and long-lasting sharpness. Its 118° tip and 4-flute spiral design help deliver smooth cutting, faster chip removal, and cleaner holes. The 1/4" hex shank allows quick changes and fits most standard drills. It is suitable for stainless steel, sheet metal, aluminum, wood, plastic, and fiberglass up to 1/8" thick.