Drill Pipe Couplings Tube Machining For Drill Rods Coupling And Casing
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...±0.05mm; Concentricity: ≤0.05mm Straightness : 0.30mm/m Note: DN - Nominal Diameter NPS -Nominal Pipe Size Application: 1. High dimensional accuracy, the tolerance of inner and outer diameter size can be accurate to within 0.05mm, better tolerance can...
TORICH INTERNATIONAL LIMITED
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