The 0.4220 CHK Reamer from Field Tool Supply is designed for precision reaming in stainless steel and high-speed applications. This tool features a 0.4220-inch diameter, ensuring accurate hole sizing for various machining tasks. Constructed from high-speed steel (HSS), it offers durability and resistance to wear, making it ideal for repeated use. The reamer is suitable for use in both manual and CNC machining environments, providing versatility for different projects. Its standard finish ensures smooth operation and optimal performance, meeting industry standards for quality and reliability.