This 3–13mm step drill bit features 11 sizes with a 6.3mm hex shank and titanium-coated HSS for durability and long life. It can drill clean holes, enlarge existing holes, and smooth edges in metal, wood, aluminum, copper, PVC, and plastic sheets. Suitable for hand drills, drilling machines, milling machines, and machining centers, it is ideal for maintenance, home appliances, and sheet metal work. Use coolant when drilling metals to extend bit life and store carefully to prevent damage.
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