The EMCO-SR(16) 1/2 X 1/2 4FL end mill from Field Tool Supply is designed for precision milling operations. With a 1/2 inch diameter and 4 flutes, this end mill is perfect for machining a variety of materials, including steel and aluminum. Made from high-speed steel, it offers excellent durability and cutting performance. The sharp cutting edges ensure clean finishes, while the design is compatible with standard milling machines. This end mill meets ANSI standards for quality and reliability, making it an essential tool for both professional machinists and hobbyists.