Longevity Assured By Titanium Coating : The high-speed steel drill bit, coated in titanium, offers extended durability for frequent use. Jam-Free Drilling Experience : The dual-flute design clears chips swiftly, preventing jamming and ensuring a smoother drilling process. Versatility In Size Adjustment : Capable of drilling holes between 10 and 45 mm, eliminating the need for multiple bits. Ideal For Sheet Metal Applications : Perfectly suited for drilling thin metal sheets, ensuring clean and precise holes. Enhance Bolt Reinforcement Effortlessly : The countersink feature secures bolts and fasteners, adding stability to your projects. In a striking golden finish, this drill bit combines high-speed steel with titanium coating for exceptional durability. The dual-flute design ensures debris clearance, while its adjustable size range makes it suitable for a variety of sheet metal applications.