... , DIN931, DIN933, DIN985, DIN125, DIN127, DIN9021, DIN6926 Titanium socket head cap screws : Titanium and Titanium alloy specifications: 1)Common ... ,Gr23 2)Difference:a, Titanium for the chemical aspects,PCB equipment,electrodes.b, Titanium alloy used in Bicycle,Motorcycles ... Head Bolt,Titanium Countersunk Flat Head Screws, Titanium Hexagon Socket Head Knurled Screws,Titanium Nylon Lock Nut,Titanium Hex ...