Grower Twin-Lock®

Materials and surface treatment

  • Carbon steel, hardness 465-550 HV 10 after hardening and tempering;
  • Stainless Steel AISI 316L according to EN 10088-1.4404, surface hardness = 550 HV 0.05 after surface hardening (Kolsterising®);


Surface treatment

  • Delta Protekt® KL100 + VH301 Cr6 free, red corrosion resistance min. 600 hours (salt spray corrosion test according to ISO 9227);