The 0.5540 CHK Reamer from Field Tool Supply is a high-speed steel (HSS) tool designed for precision reaming in stainless steel applications. With a straight flute design, this reamer ensures smooth cutting and optimal chip removal. It features a diameter of 0.5540 inches, making it ideal for creating accurate holes in various materials. The tool is engineered to meet industry standards, ensuring reliability and performance in demanding environments. Its durable construction allows for extended use, making it a valuable addition to any toolkit.