Meehanite casting, maximum rigidity without deformation. Spindle is made MOLYBDENUM CHROME, tempering and carburizing heat treated. Spindle assembled precision bearing that, offers wide cutting range and high accuracy. Unique Inversion type milling head, high, precision, easy operation and brake. Three axes Nut on the screw are made of high class Phosphor Bronze for maximum wear resistant and life. X, Y Nut use adjustable type design, easy precision.