These two cylindrical die rolling machines use a unique double pivot arm design and a sliding block device to provide uniform die penetration to the rolling axis. These machines are of a building block design available wi......These two cylindrical die rolling machines use a unique double pivot arm design and a sliding block device to provide uniform die penetration to the rolling axis. These machines are of a building block design available with other spindle diameters and die drive horsepower and speed. It is available with precision spindles in which the dies are rigidly mounted to the spindle and ground to the spindle centerline. In addition, it may be specially calibrated to provide .0001 diameter adjustments.