General description Streamline your drilling experience with our 5PCS Step Drill Bit Set, designed to cover up to 47 different hole sizes with one set. This saves you time and effort when changing drill bits. The set features superior grade construction using high-speed steel with a titanium coating for enhanced durability and reduced wear. The split tip design is shaped to a refined 118-degree X-angle for increased sturdiness, contributing to the efficiency and longevity of the drill bits. The dual-blade model ensures smooth cutting and effective material particle ejection, leading to a tidier workspace and improved drilling accuracy. Technical specifications Material: High-speed steel Number of bits: 5 Hole sizes: Up to 47 different sizes Tip angle: 118 degrees Compatibility and accessories Compatible with hand drills and bench drills Includes 1 storage box with size index for easy classification Other information