Specifications Item name Titanium washer Material Titanium grade 5 Other grade Gr1, gr2, gr3, gr4, gr5(ti-6al-4v), gr7, gr9, gr12, etc. Standard Din 125. Specification M3-m80 Surface treatment Polishing, anodizing, oxide Color Ti natural, gold, blue, purple, green, Features Light weight, acid and alkali resistance, anti-corrosion, excellent mechanical strength etc. Applications Equipment accessories: airplane, ship, bicycle, motorcycle, auto, medical, Chemical, wheel, sports, anchor, weapon, etc.