Titanium Standard Part 1.Type :titanium screws 2.Material :titanium screws,molybdeum screws,tantalum screws Standard :DIN551 ,DIN921,DIN933,DIN931,DIN EN24014,DIN EN24017,DIN EN28676,DIN EN28675,ISO4014,ISO4017,ISO8676,ISO8765 4.Sizes:>M1.6 1.Type: titanium nuts 2.Material:titanium nut,molybdenum nut,tantalum nut 3.Standard: DIN125,DIN934,DIN EN24032 1,DIN EN24035 2,DIN EN24036 2,DIN EN28673 1,ISO4032,ISO4035,ISO8675,ISO4036,DIN EN28674,ISO8673,ISO8674,ISO8675 4.Sizes:M1.6