- Crafted from high-speed steel, this step drill bit offers exceptional hardness and outstanding wear resistance, ensuring long-lasting performance. - The titanium coating not only enhances durability but also gives the bit an attractive gold finish that resists fading over time. - Versatile in function, this single drill bit accommodates a wide range of hole sizes from 3mm to 13mm, making it suitable for various applications. - Ideal for drilling through softer materials such as thin iron sheets, aluminum, PVC, and wood boards up to 5mm thick, it is perfect for both professional and DIY projects. - Use it to create clean, precise holes in sheet metal for fabrication, to install fixtures in PVC piping, or to prepare wood panels for construction and crafting. - This step drill bit stands out for its ability to simplify drilling tasks, allowing for smooth transitions between different hole sizes without the need for multiple tools.