... , shaped pipe, etc. 2. Precise with only 0.05mm tolerance. 3. With CNC machine. 1. Description: Roller and mould, welded pipe ... and double groove pipe, tube frame, special-shaped mould, etc.3. Specification range for round pipe: 5-325mm.4. Specification range ... does not exceed ±0.05mm. Precise stainless steel pipe mould (BG)