The WAL-TAP RF(428) 4FL X 7/16 from Field Tool Supply is a premium quality end mill designed for efficient material removal. Featuring a 4-flute design, this tool enhances chip removal and improves surface finish, making it ideal for machining operations in various materials. The 7/16 inch diameter allows for precise cutting in tight spaces, while the RF (radius form) profile provides added strength and durability. Constructed from high-speed steel, this end mill is engineered for high performance and longevity. It is compatible with CNC machines and manual mills, making it a versatile choice for both professional and hobbyist machinists.