... tube, single and double groove pipe, tube frame 1. Description: Roller and mould, welded pipe roller, stainless steel pipe mould for round/square/shaped ... . Precise with only 0.05mm tolerance. 3. With CNC machine. 4. Pipe mould: steel tube, plum tube, flat tube, oval tube, fan-shaped ... tube on the angle does not exceed ±0.05mm. Stainless Steel Welding Mould