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We manufacture torsion springs to meet simple or complex requirements.

They can be manufactured from standard machines or specific tools.

The wire diameters used range from 0.20mm to 3.00mm.

Our main materials:

  • EN 10270-1 steel
  • Stainless steel: 302, 304, 316, 904L,17-7PH, etc.
  • Oil-hardened steel
  • Coated steels: Galvanized, Bezinal (Zn-AL), etc.
  • Special alloys: Inconel, Monel, Nimonic, Elgiloy, Hastelloy, Titanium
  • Copper alloys: Copper, Bronze, Beryllium copper, Copper-Cobalt, etc.
  • Main surface treatments:
  • Passivation
  • Zinc flake: Zintek, Geomet, Deltatone
  • Painting: Electrostatic, Epoxy
  • Teflon
  • Phosphate conversion

All our surface treatments comply with REACH/RoHs regulation

https://www.HoccoEvent.com