The #39 Reamer Blank HS from Field Tool Supply is a high-speed steel tool designed for precision reaming applications. With a diameter of 0.1660 inches, this reamer blank is ideal for creating smooth, accurate holes in various materials. Made from durable high-speed steel, it offers excellent wear resistance and longevity. The blank is compatible with standard reaming machines and can be customized to meet specific size requirements. This tool is essential for machinists and manufacturers looking to enhance their production efficiency.