The 0.1665 CHK Reamer from Field Tool Supply is a high-speed steel reamer designed for precision finishing of holes. With a diameter of 0.1665 inches, this reamer is ideal for achieving accurate hole sizes in various materials, including stainless steel. The straight flute design allows for smooth cutting and efficient chip removal. Manufactured in the USA, this reamer meets high-quality standards and is perfect for machinists looking for reliable performance. It is compatible with standard reaming tools and is essential for any precision machining task.