1.3-13 mm, 4-12 mm, 4-20 mm, 4-32 mm Hexagonal HSS Titanium Coated Step Drill Bit Set - Material: Crafted from high-speed steel 4241, ensuring durability and longevity. - Coating: Titanium coating enhances wear resistance and minimizes friction, resulting in smoother drilling. Key Benefits: - Versatile Sizes: This set includes multiple drill bit sizes, allowing you to tackle a wide range of projects, from small repairs to larger construction tasks. - Precision Cutting: The stepped design enables clean and precise holes in both metal and wood, making it ideal for various applications. - Efficient Performance: Designed for high-speed drilling, these bits reduce the need for frequent changes, improving productivity. Applications: - Woodworking: Perfect for creating pilot holes and larger openings in wood for screws and dowels. - Metalworking: Suitable for drilling through thin sheets of metal, making it ideal for DIY metal projects or professional fabrication. - Home Improvement: Use it for electrical work, plumbing, and other home repair tasks that require precise hole drilling. This Hexagonal HSS Titanium Coated Step Drill Bit Set is an essential addition to any toolbox, offering reliability and performance for a variety of drilling needs.