... ,GB,BSW,UNC,JIS Technique:forging,rolled,CNC Machining Dimension:M3-M22 titanium nuts and bolts :Titanium and Titanium alloy specifications: 1)Common Ground a ... ,Gr9,Gr12,Gr23 2)Difference:a, Titanium for the chemical aspects,PCB equipment,electrodes.b, Titanium alloy used in Bicycle,Motorcycles,Electric Vehicles ...