NUTS I,II, III & IV

Material

Steel: C1008, C1015, C1022

Stainless steel: SU302, SUS304, SUS316, SUS410, SUS430

Alloy steel: 35ACR, 40ACR, SCM435, 10B21, 10B22, 10B38

Others: Brass, Copper alloy, Nickel alloy

Surface treatment

Zinc plated (Cr3+) (Cr6+), Nickel plated, Yellow zinc, Passivated, Anodizing, Mechanically galvanized.