Tube roll set for tube making machine. die set,pipe roll set. Roller and mould, welded ... 2. Precise with only 0.05mm tolerance. 3. With CNC machine. 1. Description: Roller and mould, welded pipe roller, stainless ... oval tube, fan-shaped tube, polygonal tube, single and double groove pipe, tube frame, special-shaped mould, etc.3. Specification range ... does not exceed ±0.05mm. Roll set for tube machine