The 0.4310 CHK Reamer ST FL SS HS by Field Tool Supply is engineered for high-precision reaming in stainless steel. This high-speed steel (HSS) reamer features a straight flute design, which enhances chip removal and provides a clean finish. With a diameter of 0.4310 inches, it is ideal for a variety of machining applications. The stainless steel construction ensures durability and resistance to corrosion, making it suitable for demanding environments. This tool adheres to industry standards, ensuring reliability and performance in professional settings.