Shenli Titanium-Plated High-Speed Steel Step Drill Bit, 4-12mm, for Metal Drilling and Hole Opening.

This versatile step drill bit is crafted from high-speed steel and features a durable titanium plating, offering exceptional strength and longevity. Perfect for metal drilling tasks, it is designed to effortlessly create precise, clean holes in metal surfaces, ranging from 4mm to 12mm in size. Its high-speed steel construction ensures efficient performance and reduced friction, while the titanium plating enhances its resistance to wear and heat, making it a reliable choice for both professional and home use. Ideal for tasks requiring multiple hole sizes, this drill bit guarantees smooth drilling operations with reduced bit change.