... DIN912, DIN931, DIN933, DIN985, DIN125, DIN127, DIN9021, DIN69262.Material :Gr1,Gr2,Gr5 3.Screw Varieties : the first cylindrical titanium screw ,titanium head screw , hexagon titanium screw ... , pan head screw titanium ,titanium & semi—head screws, square head screw titanium , titanium screw slot word , titanium cross slot screw ,titanium screw— ...