... set for tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould for round ... tolerance. 3. With CNC machine. 1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped tube ... tube, oval tube, fan-shaped tube, polygonal tube, single and double groove pipe, tube frame, special-shaped mould, etc.3. ...