... corrosion resistance,Rustless Sanxin Metal Product Details of Titanium Fasteners: 1) Grade:Gr2 and Gr5 (Popular Grade)Gr1,Gr3,Gr4,Gr9,Gr112 ... ) Sizes:>= M33) Standard:Nuts: DIN555,DIN934,DIN985,DIN6923,etc.Bolts:DIN558, ... 1.Our company are mainly supplied titanium products:wire,bar,plate,screws,and niobium, molybdenum and nickel products.All of them are ...