The 0.4250 CHK Reamer from Field Tool Supply is designed for precision reaming in stainless steel and high-speed applications. This tool features a 0.4250-inch diameter, ensuring accurate hole sizing for various industrial applications. Made from high-speed steel (HSS), it offers excellent durability and resistance to wear. The reamer is suitable for use in both manual and machine operations, making it versatile for different setups. Its standard finish provides a smooth surface for optimal performance. Ideal for professionals seeking reliable tools for metalworking tasks.