The 51/64 X 18 SS HS XL Drill from Field Tool Supply is engineered for high-performance drilling in stainless steel and other tough materials. This high-speed steel drill bit features a 51/64 inch diameter and an 18 inch length, making it perfect for deep hole drilling. Its durable design ensures longevity and precision, while the sharp tip provides accurate drilling results. Compatible with standard drill chucks, this drill bit meets industry standards for quality and performance, making it an essential tool for both professionals and DIY projects.