- Product Name: 1.1 x Cobalt Step Drill Set - Material: High-Speed Steel - Surface Treatment: Nitrogen Treatment Key Benefits: - Precision Drilling: The step drill design allows for accurate hole sizes in metal, making it ideal for professionals and DIY enthusiasts alike. - Durable Construction: Made from high-speed steel, this drill set offers exceptional strength and longevity, ensuring it withstands rigorous use. - Enhanced Performance: The nitrogen-treated surface improves hardness and reduces wear, providing superior cutting performance and extended tool life. Product Features: - Compatibility: Suitable for a variety of metals, including aluminum and mild steel, making it versatile for numerous projects. - Size: The 1.1 x size is designed for creating precise holes, perfect for various applications. - Triangular Shank Design: Ensures a secure grip in drill chucks, minimizing slippage during operation. Use Scenarios: 1. Metal Fabrication: Ideal for fabricators needing to create multiple hole sizes quickly and efficiently in metal sheets. 2. Electrical Installations: Perfect for electricians who require precise holes for conduit and wiring installations. 3. Home Improvement Projects: A go-to tool for DIYers looking to drill clean holes in metal surfaces for projects like shelving or fixtures. This cobalt step drill set combines durability, precision, and versatility, making it an essential addition to any tool collection.