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 ... experience in RD, the fingerprints, mechanical pattern, on the corner, concave angle phenomena, and to form tolerance of roundness in ... does not exceed ±0.05mm. Roll set for tube machine