Tube roll set for tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless ... Precise with only 0.05mm tolerance. 3. With CNC machine. 1. Description: Roller and mould, welded pipe roller, ... steel Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness, resistance to high pressure ... does not exceed ±0.05mm. Roll set for tube machine