... set for tube making machine. die set,pipe roll set. Roller and mould, welded pipe roller, stainless steel pipe mould for round ... . 3. With CNC machine. 1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped tube ... , single and double groove pipe, tube frame, special-shaped mould, etc.3. Specification range for round pipe: 5-325mm.4. Specification ...