... GR5,GR7,GR9 M2.5-M24Standard:DIN933 934 912titanium screw:Titanium products includes bolts,screws, nuts, shafts , shaft liners ... , flange, gear wheel, sprocket wheel.Titanium and Titanium alloy specifications:1.Common Grounda, Bolt sizes:M3-M24* ... .GR5,GR7,GR92.Difference:a, Titanium for the chemical aspects,PCBequipment,electrodes.b, Titanium alloy used in Bicycle,Motorcycles,Electric ...