The EM4D(40) 5/8 X 5/8 from Field Tool Supply is a high-performance end mill designed for precision machining. With a diameter of 5/8 inch and a length of 5/8 inch, this end mill is ideal for a variety of materials, including metals and plastics. Its advanced design allows for efficient chip removal and superior surface finishes. Constructed from high-quality materials, this end mill is built to withstand rigorous machining conditions. It is compatible with CNC and manual milling machines, making it a versatile addition to any workshop.