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Hydraulic & Pneumatic Valves

  • Industry Context & Processing Challenges: Multi-diameter step drilling and precision reaming of ductile iron and stainless steel hydraulic manifold blocks.
  • Technical Requirements: Hole coaxiality within ≤0.005 mm and smooth sealing seat surface finish.
  • ZWH Tooling Solutions & Value: ZWH solid carbide step drills and precision reamers perform multi-feature hole finishing in a single pass with strict coaxiality.