Provided is a lubricating oil composition for round die rolling, which is obtained by blending a base oil with: (A) 0.5 to 40 mass% of a monoester having 13 to 48 carbon atoms (a-1) and/or 0.5 to 30 mass% of a fatty dicarboxylate having 13 to 34 carbon atoms (a-2) ; (B) 0.01 to 10 mass% of a thiadiazole compound; (C...

The present invention is a rolling machine which disposes a cylindrical material at the center and is provided with multiple cylindrical dies for rolling the material from the outer circumference. The rolling machine is capable of adjusting the angle of rotation on an inclination axis (A axis) for rotating around th...