ACENIX® Step Drill Bit Set, High Speed Steel Titanium Coated 4 22MM HSS 4241 Hex Cone Hole Cutter for Sheet Metal [ Life Time Warranty ] Includes Cleaning Cloth.

Premium HSS 4241 Construction: Crafted from high-speed steel for superior strength, precision, and durability. Ideal for smooth and accurate drilling on various materials including sheet metal, plastic, aluminum, and wood. Titanium Coated for Longer Life: The titanium coating minimizes friction, enhances wear resistance, and ensures clean, burr-free holes even during continuous drilling operations. Multi-Size Step Design (4-22mm): Features multiple step sizes from 4mm to 22mm, allowing you to drill different hole diameters using just one bit—saving time and effort on every project. Secure Hex Shank Design: The 1/4" hex shank fits most standard drill chucks, providing stable grip and preventing slipping during high-speed drilling. Wide Range of Applications: Suitable for DIY projects, home improvement, and professional tasks. Perfect for use on thin metals, wood, plastic, PVC, and more.