HSS Square End Mills or Flat End Mills from DIC Tools, available in grades M2, M35, M42, and ASP 2030. Supplied in 2, 3, and 4 flutes with TiAIN, AlCrN Coatings. An adequate selection of end mill material and coatings allows for cutting in a variety of workpiece materials at a different range of cutting speeds. We provide you with standard as well as non-standard sizes as per your workpiece requirement.