5pcs Step Drill Bits for Metal, Step Drill Bit Set 50 Sizes Tri-Flat Shank HSS Titanium-Coated with Center Punch for Aluminum, Wood, Plastic, with Aluminum Case, from Pro-Edge Technology

¡¾118¡ã SPLIT POINT TIP & SIZES MARKING¡¿: The 118¡ã split point tip can minimize friction and resistance during the cutting process, thereby improving cutting efficiency. The laser-etched size markings provide positioning assistance for precise drilling, making the operation more user-friendly.
¡¾WIDE APPLICATIONS¡¿: This step drill set is not only suitable for metal processing, but also can be used for drilling holes in wood, plastic and composite materials. Whether you are a professional machinist, carpenter, or a home DIY enthusiast, you can benefit from it.
¡¾SERVICE GUARANTEE¡¿: If you encounter any issues during use, please feel free to contact us at any time. We will respond to you within 24 hours and provide a solution.