... the cutting)5. Diameter of shaft:85mm6. thickness of formed steel: 0.3mm-0.8mm7. Width of raw material: 1000mm&1250mm ... , prepaintd coil, G550.8. material of the roller: 45#forge steel , machined with numerical control, polished and coated with chrome, surface ... tolerance:+/-1.5mm12. computer operating board: touch screenLayouts, Roofing Corrugated Sheet Roll Forming Machine