The 0.4315 CHK REAMER SF SS HS from Field Tool Supply is a high-speed steel reamer designed for precision finishing of holes. With a diameter of 0.4315 inches, this reamer is ideal for achieving smooth, accurate hole sizes in stainless steel and other materials. Its short flute design enhances stability and control during operation. Manufactured in the USA, this reamer meets stringent quality standards, ensuring reliability and performance in various applications. Perfect for machinists and fabricators, it is an essential tool for achieving high-quality finishes.