... pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Precise with only 0.05mm tolerance. 3. With CNC machine. 4. Pipe mould: steel tube ... , plum tube, flat tube, oval tube, fan-shaped tube, polygonal tube, single and double groove pipe, tube ... , square tube on the angle does not exceed ±0.05mm. Stainless Steel Pipe Making Mould