- Versatile Drilling Capability : The HSS step drill cone features 13 distinct levels, enabling precise hole drilling from 5 mm to 35 mm in diameter. You can efficiently create large holes in a single action, eliminating the need for multiple drills and adjustments. - User-Friendly Design : Its double-edged construction allows for quicker and smoother drilling, minimizing resistance and maximizing efficiency. Experience superior speed and precision with this step drill bit. - Wide Range of Applications : Ideal for panel thicknesses up to 5 mm, this tool is compatible with wooden boards, thin iron, aluminum sheets, insulation plates, and plastics. Please note it is not suitable for glass or ceramic tiles. - Automatic Impact Feature : This drill generates high impact force upon contact with the work surface, enhancing performance. The adjustable peeling drill cover lets you customize the impact force, while the non-slip surface ensures accurate positioning without deviation. Use Cases : 1. Home Renovation : Perfect for DIY enthusiasts needing to install fixtures or cables in wooden and metal surfaces. 2. Professional Workshops : Essential for tradespeople requiring efficient drilling in various materials for structural projects. 3. Crafting and Hobby Projects : A great tool for artists and crafters creating custom designs in plastics and thin metals.