The 1/2 X 18 High-Speed Steel Extra Long Drill from Field Tool Supply is engineered for drilling deep holes in stainless steel and other tough materials. With a diameter of 1/2 inch and a length of 18 inches, this drill bit is perfect for applications requiring extended reach. Made from high-speed steel, it offers excellent durability and heat resistance, ensuring consistent performance. This drill is compatible with standard drill chucks and is ideal for industrial and commercial use, providing reliable results in demanding environments.