... corrosion resistance,Rustless Sanxin Metal Product Details of Titanium Fasteners: 1) Grade:Gr2 and Gr5 (Popular Grade)Gr1,Gr3,Gr4,Gr9 ... ,DIN7985,DIN7991,ISO 7380,etc.Company stroy: 1.Our company are mainly supplied titanium products:wire,bar,plate,screws,and niobium, molybdenum ...