5pcs Baked Yellow Hair Black Step Drill Triangular Shank High-speed Steel Pagoda Drill Hole Opener Set

This set includes five high-speed steel step drill bits featuring a baked yellow coating for enhanced durability and corrosion resistance. Each bit is designed with a triangular shank for secure grip and stability during operation. The pagoda-style stepped design facilitates efficient hole opening across multiple diameters, suitable for metal, plastic, and other materials. These drill bits provide precise and clean hole cutting while maintaining high-speed performance for professional or workshop use.