Surface Protection

Additional surface treatment gives our products their characteristic greater corrosion resistance, lower friction coefficient, greater surface hardness or resistance to abrasion and protection against unscrewing, all of which increase their life expectancy. Our services:


  • self coloured
  • electroplated zinc coating according to with ISO 4042
  • flZn according to with ISO 10683
  • hot-dipgalvanized coating according with ISO 10684
  • phosphate conversion coating according to EN 12476
  • black oxide coating according to DIN 50938
  • electroless nickel plating
  • passivation of stainless steels
  • induction hardening
  • plasma nitriding
  • gas nitriding
  • case hardening
  • TUFLOK adhesive coating